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1 features ? industry-standard architecture ? emulates many 20-pin pals ? ? low-cost easy-to-use software tools high-speed electrically-erasable programmable logic devices ? 7.5 ns maximum pin-to-pin delay several power saving options cmos and ttl compatible inputs and outputs ? input and i/o pull-up resistors advanced flash technology ? reprogrammable ? 100% tested high-reliability cmos process ? 20 year data retention ? 100 erase/write cycles ? 2,000v esd protection ? 200 ma latchup immunity commercial, and industrial temperature ranges dual-in-line and surface mount packages in standard pinouts pci-compliant block diagram device i cc , standby i cc , active ATF16V8B 50 ma 55 ma ATF16V8Bq 35 ma 40 ma ATF16V8Bql 5 ma 20 ma rev. 0364i?04/01 high- performance ee pld ATF16V8B ATF16V8Bq ATF16V8Bql pin configurations all pinouts top view pin name function clk clock i logic inputs i/o bi-directional buffers oe output enable vcc +5v supply tssop 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 i/clk i1 i2 i3 i4 i5 i6 i7 i8 gnd vcc i/o i/o i/o i/o i/o i/o i/o i/o i9/oe dip/soic 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 i/clk i1 i2 i3 i4 i5 i6 i7 i8 gnd vcc i/o i/o i/o i/o i/o i/o i/o i/o i9/oe plcc 4 5 6 7 8 18 17 16 15 14 i3 i4 i5 i6 i7 i/o i/o i/o i/o i/o 3 2 1 20 19 9 10 11 12 13 i8 gnd i9/oe i/o i/o i2 i1 i/clk vcc i/o
ATF16V8B(ql) 2 description the ATF16V8B is a high-performance cmos (electrically- erasable) programmable logic device (pld) that utilizes atmel ? s proven electrically-erasable flash memory technol- ogy. speeds down to 7.5 ns are offered. all speed ranges are specified over the full 5v 10% range for industrial temperature ranges, and 5v 5% for commercial tempera- ture ranges. several low-power options allow selection of the best solu- tion for various types of power-limited applications. each of these options significantly reduces total system power and enhances system reliability. the ATF16V8Bs incorporate a superset of the generic architectures, which allows direct replacement of the 16r8 family and most 20-pin combinatorial plds. eight outputs are each allocated eight product terms. three different modes of operation, configured automatically with soft- ware, allow highly complex logic functions to be realized. absolute maximum ratings* temperature under bias.................................-55 o c to +125 o c *notice: stresses beyond those listed under ? absolute maximum ratings ? may cause permanent dam- age to the device. this is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. note: 1. minimum voltage is -0.6v dc, which may under- shoot to -2.0v for pulses of less than 20 ns. maximum output pin voltage is v cc + 0.75v dc, which may overshoot to 7.0v for pulses of less than 20 ns. storage temperature ......................................-65 o c to +150 o c voltage on any pin with respect to ground .......................................-2.0 v to +7.0 v (1) voltage on input pins with respect to ground during programming...................................-2.0 v to +14.0 v (1) programming voltage with respect to ground .....................................-2.0 v to +14.0 v (1) dc and ac operating conditions commercial industrial operating temperature (ambient) 0 o c - 70 o c-40 o c - 85 o c v cc power supply 5v = 5% 5v = 10%
ATF16V8B(ql) 3 notes: 1. not more than one output at a time should be shorted. duration of short circuit test should not exceed 30 sec. 2. shaded parts are obsolete with a last time buy date of 19 august 1999. dc characteristics symbol parameter condition min typ max units i il input or i/o low leakage current 0 = v in = v il (max) -35 -100 a i ih input or i/o high leakage current 3.5 = v in = v cc 10 a i cc power supply current, standby v cc = max, v in = max, outputs open b-7, -10 com. 55 85 ma ind. 55 95 ma b-15 com. 50 75 ma b-15 ind. 50 80 ma b-25 com. 50 75 ma b-25 ind. 50 80 ma bq-10 com. 35 55 ma bql-15 com. 5 10 ma bql-15 ind. 5 15 ma bql-25 com. 5 10 ma bql-25 ind. 5 15 ma i cc2 clocked power supply current v cc = max, outputs open, f=15 mhz b-7, -10 com. 60 90 ma ind. 60 100 ma b-15 com. 55 85 ma b-15 ind. 55 95 ma b-25 com. 55 85 ma b-25 ind. 55 95 ma bq-10 com. 40 55 ma bql-15 com. 20 35 ma bql-15 ind. 20 40 ma bql-25 com. 20 35 ma bql-25 ind. 20 40 ma i os (1) output short circuit current v out = 0.5 v -130 ma v il input low voltage -0.5 0.8 v v ih input high voltage 2.0 v cc +0.75 v v ol output high voltage v in =v ih or v il , v cc =min i ol = -24 ma com., ind. 0.5 v v oh output high voltage v in =v ih or v il , v cc =min i oh = -4.0 ma 2.4 v
ATF16V8B(ql) 4 ac waveforms (1) note: 1. timing measurement reference is 1.5v. input ac driving levels are 0.0v 3.0v, unless otherwise specified. note: 1. see ordering information for valid part numbers and speed grades. 2. shaded parts are obsolete with a last time buy date of 19 august 1999. ac characteristics (1) symbol parameter -10 -15 -25 units min max min max min max t pd input or feedback to non-registered output 8 outputs switching 3 10 3 15 3 25 ns 1 output switching ns t cf clock to feedback 6 8 10 ns t co clock to output 2 7 2 10 2 12 ns t s input or feedback setup time 7.5 12 15 ns t h hold time 0 0 0 ns t p clock period 12 16 24 ns t w clock width 6 8 12 ns f max external feedback 1/(t s +t co )6845 37 mhz internal feedback 1/(t s + t cf )7450 40 mhz no feedback 1/(t p )8362 41 mhz t ea input to output enable ? product term 310315 3 20 ns t er input to output disable ? product term 210215 2 20 ns t pzx oe pin to output enable 2 10 2 15 2 20 ns t pxz oe pin to output disable 1.5 10 1.5 15 1.5 20 ns
ATF16V8B(ql) 5 input test waveforms and measurement levels: t r , t f < 5 ns (10% to 90%) output test loads: commercial note: 1. typical values for nominal supply voltage. this parameter is only sampled and is not 100% tested. power-up reset the registers in the ATF16V8Bs are designed to reset dur- ing power-up. at a point delayed slightly from v cc crossing v rst , all registers will be reset to the low state. as a result, the registered output state will always be high on power-up. this feature is critical for state machine initialization. how- ever, due to the asynchronous nature of reset and the uncertainty of how v cc actually rises in the system, the fol- lowing conditions are required: 1. the v cc rise must be monotonic, 2. after reset occurs, all input and feedback setup times must be met before driving the clock pin high, and 3. the clock must remain stable during t pr . preload of registered outputs the ATF16V8B ? s registers are provided with circuitry to allow loading of each register with either a high or a low. this feature will simplify testing since any state can be forced into the registers to control test sequencing. a jedec file with preload is generated when a source file with vectors is compiled. once downloaded, the jedec file preload sequence will be done automatically by most of the approved programmers after the programming. security fuse usage a single fuse is provided to prevent unauthorized copying of the ATF16V8B fuse patterns. once programmed, fuse verify and preload are inhibited. however, the 64-bit user signature remains accessible. the security fuse should be programmed last, as its effect is immediate. pin capacitance f = 1 mhz, t = 25 c (1) typ max units conditions c in 58 pf v in = 0 v c out 68 pf v out = 0 v parameter description typ max units t pr power-up reset time 600 1,000 ns v rst power-up reset voltage 3.8 4.5 v
ATF16V8B(ql) 6 electronic signature word there are 64 bits of programmable memory that are always available to the user, even if the device is secured. these bits can be used for user-specific data. programming/erasing programming/erasing is performed using standard pld programmers. see cmos pld programming hardware and software support for information on software/programming. input and i/o pull-ups all ATF16V8B family members have internal input and i/o pull-up resistors. therefore, whenever inputs or i/os are not being driven externally, they will float to v cc . this ensures that all logic array inputs are at known states. these are relatively weak active pull-ups that can easily be overdriven by ttl-compatible drivers (see input and i/o diagrams below). input diagram i/o diagram functional logic diagram description the logic option and functional diagrams describe the ATF16V8B architecture. eight configurable macrocells can be configured as a registered output, combinatorial i/o, combinatorial output, or dedicated input. the ATF16V8B can be configured in one of three different modes. each mode makes the ATF16V8B look like a differ- ent device. most pld compilers can choose the right mode automatically. the user can also force the selection by supplying the compiler with a mode selection. the deter- mining factors would be the usage of register versus combinatorial outputs and dedicated outputs versus outputs with output enable control. the ATF16V8B universal architecture can be programmed to emulate many 20-pin pal devices. these architectural subsets can be found in each of the configuration modes described in the following pages. the user can download the listed subset device jedec programming file to the pld programmer, and the ATF16V8B can be configured to act like the chosen device. check with your programmer manufacturer for this capability. unused product terms are automatically disabled by the compiler to decrease power consumption. a security fuse, when programmed, protects the content of the ATF16V8B. eight bytes (64 fuses) of user signature are accessible to the user for purposes such as storing project name, part number, revision, or date. the user signature is accessible regardless of the state of the security fuse. note: 1. only applicable for version 3.4 or lower. compiler mode selection registered complex simple auto select abel, atmel-abel p16v8r p16v8c p16v8as p16v8 cupl g16v8ms g16v8ma g16v8as g16v8 log/ic gal16v8_r (1) gal16v8_c7 (1) gal16v8_c8 (1) gal16v8 orcad-pld ? registered ?? complex ?? simple ? gal16v8a pldesigner p16v8r p16v8c p16v8c p16v8a tango-pld g16v8r g16v8c g16v8as g16v8
ATF16V8B(ql) 7 macrocell configuration software compilers support the three different omc modes as different device types. most compilers have the ability to automatically select the device type, generally based on the register usage and output enable (oe) usage. register usage on the device forces the software to choose the registered mode. all combinatorial outputs with oe controlled by the product term will force the software to choose the complex mode. the software will choose the simple mode only when all outputs are dedicated combina- torial without oe control. the different device types can be used to override the automatic device selection by the soft- ware. for further details, refer to the compiler software manuals. when using compiler software to configure the device, the user must pay special attention to the following restrictions in each mode. in registered mode pin 1 and pin 11 are permanently configured as clock and output enable, respectively. these pins cannot be configured as dedicated inputs in the registered mode. in complex mode pin 1 and pin 11 become dedicated inputs and use the feedback paths of pin 19 and pin 12 respectively. because of this feedback path usage, pin 19 and pin 12 do not have the feedback option in this mode. in simple mode all feedback paths of the output pins are routed via the adjacent pins. in doing so, the two inner most pins (pins 15 and 16) will not have the feedback option as these pins are always configured as dedicated combinato- rial output. ATF16V8B registered mode pal device emulation/pal replacement. the registered mode is used if one or more registers are required. each macrocell can be configured as either a registered or com- binatorial output or i/o, or as an input. for a registered output or i/o, the output is enabled by the oe pin, and the register is clocked by the clk pin. eight product terms are allocated to the sum term. for a combinatorial output or i/o, the output enable is controlled by a product term, and seven product terms are allocated to the sum term. when the macrocell is configured as an input, the output enable is permanently disabled. any register usage will make the compiler select this mode. the following registered devices can be emulated using this mode: 16r8 16rp8 16r6 16rp6 16r4 16rp4 registered configuration for registered mode (1)(2) notes: 1. pin 1 controls common clk for the registered out- puts. pin 11 controls common oe for the registered outputs. pin 1 and pin 11 are permanently configured as clk and oe . 2. the development software configures all the archi- tecture control bits and checks for proper pin usage automatically. combinatorial configuration for registered mode (1)(2) notes: 1. pin 1 and pin 11 are permanently configured as clk and oe . 2. the development software configures all the archi- tecture control bits and checks for proper pin usage automatically.
ATF16V8B(ql) 8 registered mode logic diagram
ATF16V8B(ql) 9 ATF16V8B complex mode pal device emulation/pal replacement. in the complex mode, combinatorial output and i/o functions are possible. pins 1 and 11 are regular inputs to the array. pins 13 through 18 have pin feedback paths back to the and-array, which makes full i/o capability possible. pins 12 and 19 (outermost macrocells) are outputs only. they do not have input capability. in this mode, each macrocell has seven product terms going to the sum term and one product term enabling the output. combinatorial applications with an oe requirement will make the compiler select this mode. the following devices can be emulated using this mode: 16l8 16h8 16p8 complex mode option ATF16V8B simple mode pal device emulation/pal replacement. in the simple mode, 8 product terms are allocated to the sum term. pins 15 and 16 (center macrocells) are permanently configured as combinatorial outputs. other macrocells can be either inputs or combinatorial outputs with pin feedback to the and-array. pins 1 and 11 are regular inputs. the compiler selects this mode when all outputs are combi- natorial without oe control. the following simple pals can be emulated using this mode: 10l8 10h8 10p8 12l6 12h6 12p6 14l4 14h4 14p4 16l2 16h2 16p2 simple mode option * - pins 15 and 16 are always enabled.
ATF16V8B(ql) 10 complex mode logic diagram
ATF16V8B(ql) 11 simple mode logic diagram
ATF16V8B(ql) 12 supply current vs. input frequency ATF16V8B/bq (vcc = 5v, ta = 25c) 0 25 50 75 i c c m a 0 25 50 75 100 frequency (mhz) ATF16V8B ATF16V8Bq supply current vs. supply voltage ATF16V8B/bq (ta = 25c) 25 35 45 55 65 i c c m a 4.50 4.75 5.00 5.25 5.50 supply voltage (v) ATF16V8B ATF16V8Bq output source current vs. supply voltage (ta = 25c) -24 -22 -20 -18 -16 -14 -12 -10 i o h m a 4.5 4.7 4.9 5.1 5.3 5.5 supply voltage (v) supply current vs. input frequency ATF16V8Bl/bql (vcc = 5v, ta = 25c) 0 25 50 75 i c c m a 0 20406080100 frequency (mhz) ATF16V8B ATF16V8Bql
ATF16V8B(ql) 13 normalized tpd vs. supply voltage (ta=25 c) 0.7 0.85 1 1.15 1.3 4.50 4.75 5.00 5.25 5.50 supply voltage (v) n o r m t p d ATF16V8B/bq ATF16V8Bql normalized tco vs. supply voltage(ta=25 c) 0.7 0.85 1 1.15 1.3 4.50 4.75 5.00 5.25 5.50 supply volt age (v) n o r m t c o ATF16V8B/bq ATF16V8Bql
ATF16V8B(ql) 14
ATF16V8B(ql) 15
ATF16V8B(ql) 16 note: 1. shaded parts are obsolete with a last time buy date of 19 august 1999. using ? c ? product for industrial to use commercial product for industrial temperature ranges, down-grade one speed grade from the ? i ? to the ? c ? device (7 ns ? c ? = 10 ns ? i ? ) and de-rate power by 30%. ATF16V8B ordering information t pd (ns) t s (ns) t co (ns) ordering code package operation range 10 7.5 7 ATF16V8B-10jc ATF16V8B-10pc ATF16V8B-10sc ATF16V8B-10xc 20j 20p3 20s 20x commercial (0 c to 70 c) ATF16V8B-10ji ATF16V8B-10pi ATF16V8B-10si ATF16V8B-10xi 20j 20p3 20s 20x industrial (-40 c to 85 c) 15 12 10 ATF16V8B-15jc ATF16V8B-15pc ATF16V8B-15sc ATF16V8B-15xc 20j 20p3 20s 20x commercial (0 c to 70 c) ATF16V8B-15ji ATF16V8B-15pi ATF16V8B-15si ATF16V8B-15xi 20j 20p3 20s 20x industrial (-40 c to 85 c) 25 15 12 ATF16V8B-25jc ATF16V8B-25pc ATF16V8B-25sc ATF16V8B-25xc 20j 20p3 20s 20x commercial (0 c to 70 c) ATF16V8B-25ji ATF16V8B-25pi ATF16V8B-25si ATF16V8B-25xi 20j 20p3 20s 20x industrial (-40 c to 85 c) package type 20j 20-lead, plastic j-leaded chip carrier (plcc) 20p3 20-lead, 0.300" wide, plastic dual inline package (pdip) 20s 20-lead, 0.300" wide, plastic gull-wing small outline (soic) 20x 20-lead, 4.4 mm wide, plastic thin shrink small outline (tssop)
ATF16V8B(ql) 17 note: 1. shaded parts are obsolete with a last time buy date of 11 august 1999. using ? c ? product for industrial to use commercial product for industrial temperature ranges, down-grade one speed grade from the ? i ? to the ? c ? device (7 ns ? c ? = 10 ns ? i ? ) and de-rate power by 30%. ATF16V8Bq and ATF16V8Bql ordering information t pd (ns) t s (ns) t co (ns) ordering code package operation range 10 7.5 7 ATF16V8Bq-10jc ATF16V8Bq-10pc ATF16V8Bq-10sc ATF16V8Bq-10xc 20j 20p3 20s 20x commercial (0 c to 70 c) 15 12 10 ATF16V8Bql-15jc ATF16V8Bql-15pc ATF16V8Bql-15sc ATF16V8Bql-15xc 20j 20p3 20s 20x commercial (0 c to 70 c) ATF16V8Bql-15ji ATF16V8Bql-15pi ATF16V8Bql-15si ATF16V8Bql-15xi 20j 20p3 20s 20x industrial (-40 c to 85 c) 25 15 12 ATF16V8Bql-25jc ATF16V8Bql-25pc ATF16V8Bql-25sc ATF16V8Bql-25xc 20j 20p3 20s 20x commercial (0 c to 70 c) ATF16V8Bql-25ji ATF16V8Bql-25pi ATF16V8Bql-25si ATF16V8Bql-25xi 20j 20p3 20s 20x industrial (-40 c to 85 c) package type 20j 20-lead, plastic j-leaded chip carrier (plcc) 20p3 20-lead, 0.300" wide, plastic dual inline package (pdip) 20s 20-lead, 0.300" wide, plastic gull-wing small outline (soic) 20x 20-lead, 4.4 mm wide, plastic thin shrink small outline (tssop)
ATF16V8B(ql) 18 packaging information 1.060(26.9) .980(24.9) pin 1 .280(7.11) .240(6.10) .090(2.29) max .005(.127) min .015(.381) min .022(.559) .014(.356) .070(1.78) .045(1.13) .325(8.26) .300(7.62) 0 15 ref .430(10.92) max .014(.356) .008(.203) .110(2.79) .090(2.29) .150(3.81) .115(2.92) seating plane .210(5.33) max .900(22.86) ref 0.299 (7.60) 0.291 (7.39) 0.020 (0.508) 0.013 (0.330) 0.420 (10.7) 0.393 (9.98) pin 1 .050 (1.27) bsc 0.513 (13.0) 0.497 (12.6) 0.012 (0.305) 0.003 (0.076) 0.105 (2.67) 0.092 (2.34) 0 8 ref 0.035 (0.889) 0.015 (0.381) 0.013 (0.330) 0.009 (0.229) 4.48(.176) 4.30(.169) 6.50(.256) 6.25(.246) 0.65(.0256) bsc 0.30(0.012) 0.18(0.007) pin 1 id 6.60(.260) 6.40(.252) 0.15(.006) 0.05(.002) 1.10(0.043) max 0.18(.007) 0.09(.003) 0 8 ref 0.70(.028) 0.50(.020) 20j , 20-lead, plastic j-leaded chip carrier (plcc) dimensions in inches and (millimeters) jedec standard ms-018 aa 20p3 , 20-lead, 0.300" wide, plastic dual inline package (pdip) dimensions in inches and (millimeters) jedec standard ms-001 ad 20s , 20-lead, 0.300" wide, plastic gull-wing small outline (soic) dimensions in inches and (millimeters) 20x , 20-lead, 4.4 mm wide, plastic thin shrink small outline (tssop) dimensions in millimeters and (inches)
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