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  data sheet IDT8N4QV01gcd march 6, 2012 1 ?2012 integrated device technology, inc. quad-frequency programmable vcxo IDT8N4QV01 rev g general description the IDT8N4QV01 is a quad-frequency programmable vcxo with very flexible frequency and pull-range programming capabilities. the device uses idt?s fourth generation femtoclock? ng technology for an optimum of high clock frequency and low phase noise performance. the device accepts 2.5v or 3.3v supply and is packaged in a small, lead-free (rohs 6) 10-lead ceramic 5mm x 7mm x 1.55mm package. besides the 4 default power-up frequencies set by the fsel0 and fsel1 pins, the IDT8N4QV01 can be programmed via the i 2 c interface to any output clock frequency between 15.476mhz to 866.67mhz and from 975mhz to 1, 300mhz to a very high degree of precision with a frequency step size of 435.9hz n ( n is the pll output divider). since the fsel0 and fsel1 pins are mapped to 4 independent pll, p, m and n divider registers (p, mint, mfrac and n), reprogramming those regist ers to other frequencies under control of fsel0 and fsel1 is supported. the extended temperature range supports wireless infrastructure, tele- communication and networking end equipment requirements. features ? fourth generation femtoclock? ng technology ? programmable clock output frequency from 15.476mhz to 866.67mhz and from 975mhz to 1,300mhz ? four power-up default frequenc ies (see part number order codes), re-programmable by i 2 c ? i 2 c programming interface for the output clock frequency, apr and internal pll control registers ? frequency programming resolution is 435.9hz n ? absolute pull-range (apr) programmable from 4.5ppm to 754.5ppm ? one 2.5v or 3.3v lvds differential clock output ? two control inputs for the power-up default frequency ? lvcmos/lvttl compatible control inputs ? rms phase jitter @ 156.25mhz (12khz - 20mhz): 0.494ps (typical) ? rms phase jitter @ 156.25mhz (1khz - 40mhz): 0.594ps (typical) ? 2.5v or 3.3v supply voltage modes ? -40c to 85c ambient operating temperature ? available in lead-free (rohs 6) package IDT8N4QV01 rev g data sheet 10-lead ceramic 5mm x 7mm x 1.55mm package body cd package top view 8 v dd 7 nq 6 q fsel0 4 fsel1 5 10 sclk 9 sdata vc 1 oe 2 gnd 3 pin assignment block diagram q ? nq osc 114.285 mhz mint, mfrac pfd & lpf femtoclock? ng vco 1950-2600mhz n i 2 c control configuration register (rom) ? (frequency, apr, polarity) 25 7 vc fsel1 fsel0 sclk sdata oe pulldown pulldown pullup pullup pullup a/d 7 p 2
IDT8N4QV01 rev g data sheet quad-frequency programmable-vcxo IDT8N4QV01gcd march 6, 2012 2 ?2012 integrated device technology, inc. table 1. pin descriptions note: pullup and pulldown refer to internal input resistors. see table 2, pin characteristics, for typical values. table 2. pin characteristics number name type description 1 vc input vcxo control voltage. the control voltage versus frequency characteristics are set by the adc_gain [5:0] register bits. (see table 3c). 2 oe input pullup output enable pin. see table 3b for fu nction. lvcmos/lvttl interface levels. 3 gnd power power supply ground. 4, 5 fsel0, fsel1 input pulldown default frequency select pins. see table 3a for function and table 8 for the default frequency order codes. lvcmos/lvttl interface levels. 6, 7 q, nq output differential clock output. lvds interface levels. 8 v dd power power supply pin. 9 sdata input pullup i 2 c data input. lvcmos/lvttl interface levels. 10 sclk input pullup i 2 c clock input. lvcmos/l vttl interface levels. symbol parameter test conditio ns minimum typical maximum units c in input capacitance fsel[1:0], sdata, sclk 5.5 pf vc 10 pf r pullup input pullup resistor 50 k ? r pulldown input pulldown resistor 50 k ?
IDT8N4QV01 rev g data sheet quad-frequency programmable-vcxo IDT8N4QV01gcd march 6, 2012 3 ?2012 integrated device technology, inc. function tables table 3a. default frequency selection note: the default frequency is the output fr equency after power-up. one of four default frequencies is selected by fsel[1:0]. s ee programming section for details. table 3b. oe configuration note: oe is an asynchronous control. input operation fsel1 fsel0 0 (default) 0 (default) default frequency 0 0 1 default frequency 1 1 0 default frequency 2 1 1 default frequency 3 input output enable oe 0 outputs q, nq are in high-impedance state. 1 (default) outputs are enabled.
IDT8N4QV01 rev g data sheet quad-frequency programmable-vcxo IDT8N4QV01gcd march 6, 2012 4 ?2012 integrated device technology, inc. block diagram with programming registers q ? nq osc 114.285 mhz pfd & lpf femtoclock? ng vco 1950-2600mhz n i 2 c control vc sclk sdata fsel[1:0] oe pullup pullup pulldown, pulldown pullup feedback divider m (25 bit) mint ? (7 bits) mfrac ? (18 bits) ? ? programming registers adc_gain adc_pol i 2 c: 6 bits 1 bit def: 6 bits 1 bit p0 mint0 mfrac0 n0 i 2 c: 2 bits 7 bits 18 bits 7 bits def: 2 bits 7 bits 18 bits 7 bits p1 mint1 mfrac1 n1 i 2 c: 2 bits 7 bits 18 bits 7 bits def: 2 bits 7 bits 18 bits 7 bits p2 mint2 mfrac2 n2 i 2 c: 2 bits 7 bits 18 bits 7 bits def: 2 bits 7 bits 18 bits 7 bits p3 mint3 mfrac3 n3 i 2 c: 2 bits 7 bits 18 bits 7 bits def: 2 bits 7 bits 18 bits 7 bits def: power-up default re gister setting for i 2 c registers 00 01 10 11 34 34 34 34 34 7 34 7 30 30 30 30 18 output divider n a/d 7 adc_gainn, adc_pol, pn, mintn, mfracn and nn 7 7 41 p 2
IDT8N4QV01 rev g data sheet quad-frequency programmable-vcxo IDT8N4QV01gcd march 6, 2012 5 ?2012 integrated device technology, inc. principles of operation the block diagram consists of the internal 3 rd overtone crystal and oscillator which provide the reference clock f xtal of either 114.285mhz or 100mhz. the pll includes the femtoclock ng vco along with the pre-divider ( p ), the feedback divider ( m ) and the post divider ( n ). the p , m , and n dividers determine the output frequency based on the f xtal reference and must be configured correctly for proper operation. the feedback divider is fractional supporting a huge number of output frequencies . the configuration of the feedback divider to integer-only values results in an improved output phase noise characteristics at the expense of the range of output frequencies. in addition, internal registers are used to hold up to four different factory pre-set p , m , and n configuration settings. these default pre-sets are stored in the i 2 c registers at power-up. each configuration is selected via the the fsel[1:0] pins and can be read back using the sclk and sdata pins. the user may choose to operate the device at an output frequency different than that set by the factory. after power-up, the user may write new p, n and m settings into one or more of the four configuration registers and then use the fsel[1:0] pins to select the newly programmed configuration. note that the i 2 c registers are volatile and a power supply cycle will reload the pre-set factory default conditions. if the user does choose to write a different p , m , and n configuration, it is recommended to write to a c onfiguration which is not currently selected by fsel[1:0] and then cha nge to that configuration after the i 2 c transaction has completed. c hanging the fsel[1:0] controls results in an immediate change of the output frequency to the selected register values. the p , m , and n frequency configurations support an output frequency range 15.476mhz to 866.67mhz and 975mhz to 1,300mhz. the devices use the fractional feedback divider with a delta-sigma modulator for noise shaping and robust frequency synthesis capability. the relatively high reference frequency minimizes phase noise generated by frequency multiplication and allows more efficient shaping of noise by the delta-sigma modulator. the output frequency is determined by the 2-bit pre-divider ( p ), the feedback divider (m) and th e 7-bit post divider ( n ). the feedback divider ( m ) consists of both a 7-bit integer portion ( mint ) and an 18-bit fractional portion ( mfrac ) and provides the means for high-resolution frequency generatio n. the output frequency f out is calculated by: the four configuration registers for the p, m (mint & mfrac) and n dividers which are named pn, mint n, mfracn and nn with n = 0 to 3. ?n? denominates one of the four possible configurations. as identified previously, the configurations of p, m (mint & mfrac) and n divider settings are stored the i 2 c register, and the configuration loaded at power-up is determined by the fsel[1:0] pins. frequency configuration an order code is assigned to each frequency configuration programmed by the factory (d efault frequencies). for more information on the available default frequencies and order codes, please see the ordering information section in this document. for available order codes, see the femtoclock ng ceramic-package xo and vcxo ordering product information document. for more information and guidelines on programming of the device for custom frequency configurations , the register description, the pull-range programming and the serial interface description, see the femtoclock ng ceramic 5x7 module programming guide. f out f xtal 1 pn ? ----------- - mint mfrac 0.5 + 2 18 ---------------------------------- - + ?? = (1) table 4 frequency selection input selects register fsel1 fsel0 0 (def.) 0 (def.) frequency 0 p0, mint0, mfrac0, n0 0 1 frequency 1 p1, mint1, mfrac1, n1 1 0 frequency 2 p2, mint2, mfrac2, n2 1 1 frequency 3 p3, mint3, mfrac3, n3
IDT8N4QV01 rev g data sheet quad-frequency programmable-vcxo IDT8N4QV01gcd march 6, 2012 6 ?2012 integrated device technology, inc. absolute maximum ratings note: stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. ? these ratings are stress specifications only. functional operat ion of product at these condit ions or any conditions beyond ? those listed in the dc characteristics or ac characteristics is not implied. exposure to absolute maximum rating conditions for ? extended periods may affect product reliability. item rating supply voltage, v dd 3.63v inputs, v i -0.5v to v dd + 0.5v outputs, i o (sdata) ? outputs, i o (lvds) ? continuous current ? surge current 10ma ? ? 10ma ? 15ma package thermal impedance, ? ja 49.4 ? c/w (0 mps) storage temperature, t stg -65 ? c to 150 ? c
IDT8N4QV01 rev g data sheet quad-frequency programmable-vcxo IDT8N4QV01gcd march 6, 2012 7 ?2012 integrated device technology, inc. ? dc electrical characteristics table 5a. power supply dc characteristics, v dd = 3.3v 5%, t a = -40c to 85c table 5b. power supply dc characteristics, v dd = 2.5v 5%, t a = -40c to 85c ? table 5c. lvcmos/lvttl dc characteristic, v dd = 3.3v 5% or 2.5v 5%, t a = -40c to 85c table 5d. lvds dc characteristics, v dd = 3.3v 5% or 2.5v 5%, t a = -40c to 85c symbol parameter test conditions minimum typical maximum units v dd power supply voltage 3.135 3.3 3.465 v i dd power supply current 160 ma symbol parameter test conditio ns minimum typical maximum units v dd power supply voltage 2.375 2.5 2.625 v i dd power supply current 155 ma symbol parameter test conditio ns minimum typical maximum units v ih input high voltage sel [1:0], oe v cc =3.3v +5% 1.7 v cc +0.3 v sel [1:0], oe v cc =2.5v +5% 1.7 v cc +0.3 v v il input low voltage sel [1:0] v cc =3.3v +5% -0.3 0.5 v oe v cc =3.3v +5% -0.3 0.8 v sel [1:0] v cc =2.5v +5% -0.3 0.5 v oe v cc =2.5v +5% -0.3 0.8 v i ih input high current oe 10 a sdata, sclk v dd = v in = 3.465v or 2.625v 5 a fsel0, fsel1 v dd = v in = 3.465v or 2.625v 150 a i il input low current oe -500 a sdata, sclk v dd = 3.465v or 2.625v, v in = 0v -150 a fsel0, fsel1 v dd = 3.465v or 2.625v, v in = 0v -5 a symbol parameter test conditio ns minimum typical maximum units v od differential output voltage 247 350 454 mv ? v od v od magnitude change 50 mv v os offset voltage 1.0 1.20 1.375 v ? v os v os magnitude change 50 mv
IDT8N4QV01 rev g data sheet quad-frequency programmable-vcxo IDT8N4QV01gcd march 6, 2012 8 ?2012 integrated device technology, inc. ac electrical characteristics table 6a. vcxo control voltage input (v c ) characterisitics, v dd = 3.3v 5% or 2.5v 5%, t a = -40c to 85c ? note: electrical parameters are guaranteed over the specified ambient operating temp erature range, which is established when th e device is mounted in a test socket with maintained tr ansverse airflow greater than 500 lfpm. the device will meet specifications after thermal equilibrium has been reached under these conditions. ? note 1: v c = 0v to v dd . ? note 2: nominal oscillator gain: pull range from table 3c divided by the control voltage tuning range of 3.3v. ? e.g. for adc_gain[6:0] = 00.0001 the pull range is 12.5ppm, resu lting in an oscillator gain of 2 * 12.5ppm 3.3v = 7.57ppm/v. ? note 3: for best phase noise performance, use the lowest k v that meets the requirem ents of the application. ? note 4: bsl = best straight line fit: variatio n of the output frequency vs. control voltage v c , in percent. v c ranges from 10% to 90% v dd . ? note 5: incremental slope is defined as the linearity in perc ent of the raw data (not relative to bsl) from 10% to 90% v dd . symbol parameter test conditio ns minimum typical maximum units k v oscillator gain, note 1, 2, 3 v dd = 3.3v adc_gain[5:0] = 000001 7.57 ppm/v adc_gain[5:0] = 000010 15.15 ppm/v adc_gain[5:0] = xxxxxx 212.5 v dd adc_gain ppm/v adc_gain[5:0] = 111110 469.69 ppm/v adc_gain[5:0] = 111111 477.27 ppm/v oscillator gain, note 1, 2, 3 v dd = 2.5v adc_gain[5:0] = 000001 10 ppm/v adc_gain[5:0] = 000010 20 ppm/v adc_gain[5:0] = xxxxxx 212.5 v dd adc_gain ppm/v adc_gain[5:0] = 111110 620 ppm/v adc_gain[5:0] = 111111 630 ppm/v l vc control voltage linearity bsl variation; note 4 -5 1 +5 % incremental; note 5 -10 5 +10 % bw modulation bandwidth 100 khz z vc vc input impedance 500 k ? vc nom nominal control voltage v dd 2 v v c control voltage tuning range; note 4 0v dd v
IDT8N4QV01 rev g data sheet quad-frequency programmable-vcxo IDT8N4QV01gcd march 6, 2012 9 ?2012 integrated device technology, inc. ac electrical characteristics table 6b. ac characteristics, v dd = 3.3v 5% or 2.5v 5%, t a = -40c to 85c note: electrical parameters are guaranteed over the specified ambient operating temp erature range, which is established when th e device is mounted in a test socket with maintained tr ansverse airflow greater than 500 lfpm. the device will meet specifications after thermal equilibrium has been reached under these c onditions. all ac parameters are characterized with p=1 and pull range 250 ppm. ? note: xtal parameters (initial accuracy, temperature stabilit y, aging and total stability) ar e guaranteed by manufacturing. notes 1-5 on next page. symbol parameter test conditio ns minimum typical maximum units f out output frequency q, nq output divider, n = 3 to126 15.476 866.67 mhz output divider, n = 2 975 1,300 mhz f i initial accuracy measured at 25c 10 ppm f s temperature stability option code = a or b 100 ppm option code = e or f 50 ppm option code = k or l 20 ppm f a aging frequency drift over 10 year life 3 ppm frequency drift over 15 year life 5 ppm f t total stability option code a or b (10 year life) 113 ppm option code e or f (10 year life) 63 ppm option code k or l (10 year life) 33 ppm t jit(cc) cycle-to-cycle jitter; note 1 20 ps t jit(per) period jitter; note 1 2.85 4 ps t jit(?) rms phase jitter (random) ? fractional pll feedback and ? f xtal =114.285mhz (0xxx order codes) 17mhz ?? f out ?? 1300mhz, note 2,3,4 0.475 0.990 ps f out ?? 156.25mhz, note 2, 3, 4 0.494 0.757 ps f out ?? 156.25mhz, note 2, 3, 5 0.594 ps ? n (100) single-side band phase noise, ? 100 hz from carrier 156.25mhz -73.8 dbc/hz ? n (1k) single-side band phase noise, ? 1khz from carrier 156.25mhz -99.8 dbc/hz ? n (10k) single-side band phase noise, ? 10khz from carrier 156.25mhz -126.1 dbc/hz ? n (100k) single-side band phase noise, ? 100khz from carrier 156.25mhz -129.3 dbc/hz ? n (1m) single-side band phase noise, ? 1mhz from carrier 156.25mhz -140.3 dbc/hz ? n (10m) single-side band phase noise, ? 10mhz from carrier 156.25mhz -144.3 dbc/hz psnr power supply noise rejection 50mv sinusoidal noise 1khz - 50mhz -54 db t r / t f output rise/fall time 20% to 80% 100 425 ps odc output duty cycle 45 55 % t osc oscillator start-up time 20 ms t set output frequency settling time after fsel0 and fsel1 values are changed 470 s
IDT8N4QV01 rev g data sheet quad-frequency programmable-vcxo IDT8N4QV01gcd march 6, 2012 10 ?2012 integrated device technology, inc. note 1: this parameter is defined in accordance with jedec standard 65. note 2: please refer to the phase noise plots. note 3: please see the femtoclockng ceramic 5x7 modules progra mming guide for more information on finding the optimum configura tion for phase noise. note 4: integration range: 12khz-20mhz. note 5: integration range: 1khz-40mhz. typical phase noise at 156.25mhz (12khz - 20mhz) ? noise power dbc ? hz offset frequency (hz)
IDT8N4QV01 rev g data sheet quad-frequency programmable-vcxo IDT8N4QV01gcd march 6, 2012 11 ?2012 integrated device technology, inc. parameter measureme nt information 3.3v lvds output load ac test circuit rms phase jitter output duty cycle/pulse width/period 2.5v lvds output load ac test circuit period jitter cycle-to-cycle jitter scope q nq 3.3v5% power supply +? float gnd v dd offset frequency f 1 f 2 phase noise plot rms jitter = area under curve defined by the offset frequency markers noise power t pw t period t pw t period odc = x 100% nq q scope q nq 2.5v5% power supply +? float gnd v dd v oh v ref v ol mean period (first edge after trigger) reference point (trigger edge) 1 contains 68.26% of all measurements 2 contains 95.4% of all measurements 3 contains 99.73% of all measurements 4 contains 99.99366% of all measurements 6 contains (100-1.973x10 -7 )% of all measurements histogram nq q ? ? ? ? t cycle n t cycle n+1 t jit(cc) = | t cycle n ? t cycle n+1 | 1000 cycles
IDT8N4QV01 rev g data sheet quad-frequency programmable-vcxo IDT8N4QV01gcd march 6, 2012 12 ?2012 integrated device technology, inc. parameter measure ment information (continued) output rise/fall time differential output voltage setup start-up offset voltage setup 20% 80% 80% 20% t r t f v od nq q ? ? ? 100 out out lvds d c input v od / v od v dd t startup not to scale v dd min v dd o utput correct frequency ? ? out out lvds dc input ? ? ? v os / v os v dd
IDT8N4QV01 rev g data sheet quad-frequency programmable-vcxo IDT8N4QV01gcd march 6, 2012 13 ?2012 integrated device technology, inc. applications information recommendations for unused input pins i nputs: lvcmos select pins all control pins have internal pulldowns; additional resistance is not required but can be added for additional protection. a 1k ? resistor can be used. lvds driver termination for a general lvds interface, the recommended value for the termination impedance (z t ) is between 90 ? and 132 ? . the actual value should be selected to match the differential impedance (z 0 ) of your transmission line. a typical po int-to-point lvds design uses a 100 ? parallel resistor at the receiver and a 100 ? differential transmission-line environment. in order to avoid any transmission-line reflection issues, the components should be surface mounted and must be placed as close to the receiver as possible. idt offers a full line of lvds compliant devices with two types of output structures: current source and voltage source. the standard termination schematic as shown in figure 1a can be used with either type of output structure. figure 1b , which can also be used with both output types, is an optional termination with center tap capacitance to help filter common mode noise. the capacitor value should be approximately 50pf. if using a non-standard termination, it is recommended to contact idt and co nfirm if the output structure is current source or voltage source type. in addition, since these outputs are lvds compatible, the input receiver?s amplitude and common-mode input range should be verified for compatibility with the output. lvds termination lvds ? driver lvds ? driver lvds ? receiver lvds ? receiver z t c z o ? z t z o ? z t z t 2 z t 2 figure 1a. standard termination figure 1b. optional termination
IDT8N4QV01 rev g data sheet quad-frequency programmable-vcxo IDT8N4QV01gcd march 6, 2012 14 ?2012 integrated device technology, inc. power considerations this section provides information on power dissipa tion and junction temperature for the IDT8N4QV01. ? equations and example calculations are also provided. 1. power dissipation. the total power dissipation for the idt8n4qv 01 is the sum of the core power plus the power dissipated in the load(s). the foll owing is the power dissipation for v dd = 3.3v + 5% = 3.465v, which gives worst case results. ? power (core) max = v dd_max * i dd_max = 3.465v * 160ma = 554.4mw ? 2. junction temperature. junction temperature, tj, is the temperat ure at the junction of the bond wire and bond pad directly affects the reliability of the device. the maximum recommended junction temperature is 125c. limiting the in ternal transistor junction temp erature, tj, to 125c ensures that the bond wire and bond pad temperature remains below 125c. the equation for tj is as follows: tj = ? ja * pd_total + t a tj = junction temperature ? ja = junction-to-ambient thermal resistance pd_total = total device power dissipation (example calculation is in section 1 above) t a = ambient temperature in order to calculate junction temperature, th e appropriate junction-to-ambient thermal resistance ? ja must be used. assuming no air flow and a multi-layer board, the appropriate value is 49.4c/w per table 7 below. therefore, tj for an ambi ent temperature of 85c with all outputs switching is: 85c + 0.554w * 49.4c/w = 112.4c. this is below the limit of 125c. this calculation is only an example. tj will obviously vary depending on the number of loaded outputs, supply voltage, air flow and the type of board (multi-layer). table 7. thermal resistance ? ja for 10 lead ceramic 5mm x 7mm package, forced convection ? ja by velocity meters per second 012.5 multi-layer pcb, jedec standard test boards 49.4c/w 44.2c/w 41c/w
IDT8N4QV01 rev g data sheet quad-frequency programmable-vcxo IDT8N4QV01gcd march 6, 2012 15 ?2012 integrated device technology, inc. reliability information table 8. ? ja vs. air flow table for a 10-lead ceramic 5mm x 7mm package transistor count the transistor count for IDT8N4QV01 is: 47,372 ? ja vs. air flow meters per second 012.5 multi-layer pcb, jedec standard te st boards 49.4c/w 44.2c/w 41c/w
IDT8N4QV01 rev g data sheet quad-frequency programmable-vcxo IDT8N4QV01gcd march 6, 2012 16 ?2012 integrated device technology, inc. package outline and package dimensions
IDT8N4QV01 rev g data sheet quad-frequency programmable-vcxo IDT8N4QV01gcd march 6, 2012 17 ?2012 integrated device technology, inc. ordering information for femtoclock ng ceramic-pack age xo and vcxo products the programmable vcxo and xo devices support a variety of devices options such as the output type, number of default frequen- cies, internal crystal frequency, power supply voltage, ambient temperature range and the frequency accuracy. the device options, default frequencies and default vcxo pull range must be specified at the time of order and are prog rammed by idt bef ore the shipment. the table below specifies the avai lable order codes, including the device options and default frequency configurations. example part number: the order code 8n3q v01fg-0001cdi specifies a programmable, quad default-frequ ency vcxo with a voltage supply of 2.5v, a lvpecl output, a ? 50 ppm crystal frequency accuracy, contains a 114.285mhz internal crystal as frequency source, industrial temperature range, a lead-free (6/6 rohs) 10-lead ceramic 5mm x 7mm x 1.55mm package and is factory-programmed to the default frequencies of 100, 122.88, 125 and 156.25mhz and to the vcxo pull range of min. ? 100 ppm. other default frequencies and order codes are available from idt on request. for more information on available default frequencies, see the femtoclock ng ceramic-pack age xo and vcxo ordering product information document. shipping package 8 : tape & reel ? (no letter): tray ambient temperature range ? i ?: industrial: (t a = -40c to 85c) ? (no letter) : (t a = 0c to 70c) package code cd : lead-free, 6/10-lead ceramic 5mm x 7mm x 1.55mm die revision g option code (supply voltage and frequency-stability) a : v cc = 3.3v5%, 100ppm ? b : v cc = 2.5v5%, 100ppm ? e : v cc = 3.3v5%, 50ppm ? f : v cc = 2.5v5%, 50ppm ? k : v cc = 3.3v5%, 20ppm ? l : v cc = 2.5v5%, 20ppm default-frequency an d vcxo pull range see document femtoclock ng ceramic- package xo and vcxo ordering product information. last digit = l : configuration pre-programmed and not changable dddd f xtal (mhz) pll feedback use for 0000 to 0999 114.285 fractional vcxo, xo 1000 to 1999 100.000 integer xo 2000 to 2999 fractional xo femtoclock ng i/o identifier 0 : lvcmos ? 3 : lvpecl ? 4 : lvds number of default frequencies s : 1: single ? d : 2: dual ? q : 4: quad part number function #pins oe fct. at pin 001 xo 10 oe@2 003 xo 10 oe@1 v01 vcxo 10 oe@2 v03 vcxo 10 oe@1 v75 vcxo 6 oe@2 v76 vcxo 6 noe@2 v85 vcxo 6 ? 085 xo 6 oe@1 270 xo 6 oe@1 271 xo 6 oe@2 272 xo 6 noe@2 273 xo 6 noe@1 8n x x xxx x x - dddd xx x x part/order number
IDT8N4QV01 rev g data sheet quad-frequency programmable-vcxo IDT8N4QV01gcd march 6, 2012 18 ?2012 integrated device technology, inc. table 9. device marking marking industrial temperature range (t a = -40c to 85c) commercial temperature range (t a = 0c to 70c) idt8n4 x v01 y g- ? dddd cdi idt8n4 x v01 y g- ? dddd cd x = number of default frequencies, y = option code, dddd =default-frequency and vcxo pull range while the information presented herein has been checked for both accuracy and reliability, integrated device technology (idt) a ssumes no responsibility for either its use or for the infringement of any patents or other rights of third parties, which would result from its use. no other circuits, patents, or l icenses are implied. this product is intended for use in normal commercial and industrial applications. an y other applications, such as those requi ring high reliability or other extraordinary environmental requirements are not recommended without additional processing by idt. idt reserves the right to change any circuitry or specifications without notice. idt does not aut horize or warrant any idt product for use in life support devices or critical medical instruments.
IDT8N4QV01 rev g data sheet quad-frequency programmable-vcxo IDT8N4QV01gcd march 6, 2012 19 ?2012 integrated device technology, inc. revision history sheet rev table page description of change date a 9 18 table 9 device marking, corrected marking. 3/6/12
IDT8N4QV01 rev g data sheet quad-frequency programmable-vcxo disclaimer integrated device technology, inc. (idt) and its subsid iaries reserve the right to modify the products and/or specif ications described herein at any time and at idt? s sole discretion. all information in this document, including descriptions of product features and performance, is subj ect to change without notice. performance specifications and the operating parameters of the de scribed products are determined in the independent state and are not guaranteed to perform the same way when installed in customer products. the information contained herein is provided without re presentation or warranty of any kind, whether express or implied, including, but not limited to, the suitability of idt?s products for any partic ular purpose, an implied warranty of merc hantability, or non-infringement of the in tellectual property rights of others. this document is presented only as a guide and does not convey any license under intellectual property righ ts of idt or any third parties. idt?s products are not intended for use in life support systems or similar devices where the failure or malfunction of an idt p roduct can be reasonably expected to significantly affect the health or safety of users. anyone using an idt product in such a manner does so at their own ri sk, absent an express, written agreement by idt. integrated device technology, idt and the idt logo are registered trademarks of idt. other trademarks and service marks used he rein, including protected names, logos and designs, are the property of idt or their respective third party owners. copyright 2012 all rights reserved. 6024 silver creek valley road san jose, california 95138 sales 800-345-7015 (inside usa) +408-284-8200 (outside usa) fax: 408-284-2775 www.idt.com/go/contactidt technical support netcom@idt.com +480-763-2056 we?ve got your timing solution


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