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Power Supply Voltage Range: 2.6V~ 3.6V APPLICATIONS Operating Frequency Range : 16MHz~50MHz VCXO modules (varies with version) Communication equipment Supply Current : 3mA (TYP.)
(when VDD is 3.6V, 27MHz and output is enable)
CMOS Output Ultra Small Packages Chip Form
: SOT-26, USP-6C SOP-8
GENERAL DESCRIPTION
The XC2311 Series is VCXO (Voltage Controlled Crystal Oscillator) ICs with built-in variable capacitor diode. With the originally developed variable capacitor diode and a constant-voltage circuit built-in, the series achieves the wide variable frequency range, frequency stability to supply voltage and low power consumption. By combining with the AT-cut crystal oscillator, the ultra small and highly accurate Frequency Voltage Controlled Crystal Oscillator of 16 to 50MHz can be formed. The small SOT-26, USP-6C, and SOP-8 packages make high density mounting possible.
FEATURES
Supply Voltage Range Output Frequency Range : 2.6V ~ 3.6V : 16MHz ~ 50MHz V3B0 = 30MHz~50MHz *) Pull Range : more than 110ppm Condition : XC2311V2B0xx, VC = 1.65V1.35V Output Waveform Symmetry : 50% /5 % Operating Ambient Temperature : - 40 ~ +85 Ultra Small Packages Chip Form details. : SOT-26, USP-6C, SOP-8 : Chip size 1000 x 750um Version : V2B0 = 16MHz~36MHz,
* Please refer to the Electrical Characteristics for versions'
CHIP PAD LAYOUT
PAD COORDINATE
PAD NAME VC OE (/INH) VSS OUT(Q) VDD X2 X1 PAD No. 1 2 3 4 5 6 7 X (um) 359 359 359 359 -359 -132 132 Y (um) -244 44 244 179 -244 -244 -244
* The coordinate origin of XY-coordinate is a chip center.
Pad Size Chip Thickness
80 x 80 um 200 + 20um
XC2311 ETR1408_004
1/11
XC2311 Series
PIN CONFIGURATION
X1 X2 VDD VC VSS OUT(Q) OE(INH) VC X1 VSS (TAB) X1 VC VDD X2 OE(INH) VSS X2 VDD NC OUT(Q)
OUT(Q)
SOT-26 (TOP VIEW)
USP-6C (BOTTOM VIEW)
SOP-8 (TOP VIEW)
PIN ASSIGNMENT
SOP-8
PIN NUMBER 1 2 3 4 5 6 7 8 PIN NAME X1 VC OE (/INH) VSS OUT (Q) NC VDD X2 I/0 I I I 0 FUNCTIONS Crystal Oscillator Connection (Input) Oscillation Frequency Control Input Output Control Input (-) Ground Output No Connection (+) Power Supply Crystal Oscillator Connection (Output)
SOT-26
Note : No OE (/INH) function available.
PIN NAME X1 X2 VDD OUT (Q) VSS VC I/0 I 0 I FUNCTIONS Crystal Oscillator Connection (Input) Crystal Oscillator Connection (Output) (+) Power Supply Output (-) Ground Oscillation Frequency Control Input
PIN NUMBER 1 2 3 4 5 6
USP-6C
PIN NUMBER 1 2 3 TAB 4 5 6 PIN NAME X1 VC OE (/INH) VSS OUT (Q) VDD X2 I/O I I I 0 FUNCTIONS Crystal Oscillator Connection (Input) Oscillation Frequency Control Input Output Control Input (-) Ground Output (+) Power Supply Crystal Oscillator Connection (Output)
OE (/INH), OUT (Q) PIN FUNCTION
OE (/INH) "H" or OPEN "L" OUT (Q) Clock Output High Impedance
2/11
XC2311
Series
PRODUCT INFORMATION
Ordering Information
XC2311 DESIGNATOR DESCRIPTION VCXO product Oscillation Frequency SYMBOL V 2 3 B 0 S M E C R L T DESCRIPTION : Fixed number : 16MHz ~ 36MHz : 30MHz ~ 50MHz : Fixed number : Fixed number : SOP-8 : SOT-26 : USP-6C : Chip form : Embossed tape, standard feed : Embossed tape, reverse feed : Chip tray
Package
Device Orientation
3/11
XC2311 Series
PACKAGING INFORMATION
SOP-8 SOT-26
USP-6C
1 .8 0 .05
6
5 2
2 .0 0 .05
AAA AAA
1 3
MAX 0 .6
4
0 .3 0 .05 (0 .1)
0 .05
1 .0 0 .1
2
1 .4 0 . 1 (0 .50) 0 .20 0 .05
0 .25 0 .05
Note: The side of pins are not gilded, but nickel is used.
4/11
XC2311
Series
MARKING RULE
SOP-8
Represents product series MARK 2 Represents VCXO product MARK V Represents oscillation frequency range MARK 2 3 FREQUENCY RANGE 16MHz ~ 36MHz 30MHz ~ 50MHz PRODUCT SERIES XC2311x2xxxx XC2311X3XXXX 1
8 7 6 5
PRODUCT SERIES XC2311xxxxxx

PRODUCT SERIES XC2311Vxxxxx
1
2
3
4
SOP-8 (TOP VIEW)
Represents operating voltage range MARK B
OPERATING VOLTAGE RANGE
2.6V ~ 3.6V
PRODUCT SERIES XC2311xxBxxx
Represents divider circuit MARK DIVIDER CIRCUIT 0 No Divider Represents last digit of production year
PRODUCT SERIES XC2311xxx0xx
ex)
MARK 5 6 Represents production lot number 0 to 9, A to Z repeated (G, I, J, O, Q, W excepted. No high-order zero marked. ) Note: No character inversion used. YEAR 2005 2006
ex)
MARK 1 3 A PRODUCTION LOT NUMBER 03 A
5/11
XC2311 Series
MARKING RULE (Continued)
SOT-26
Represents oscillation frequency range MARK L M FREQUENCY RANGE 16MHz ~ 36MHz 30MHz ~ 50MHz PRODUCT SERIES XC2311x2xxxx XC2311X3XXXX
6

5
4
Represents operating voltage range MARK B
OPERATING VOLTAGE RANGE
1
2
3
2.6V ~ 3.6V
PRODUCT SERIES XC2311xxBxxx
SOT-26 (TOP VIEW)
Represents divider circuit MARK 0 DIVIDER CIRCUIT No Divider PRODUCT SERIES XC2311xxx0xx
Represents production lot number 0 to 9, A to Z, reverse character 0 to 9, A to Z repeated (G, I, J, O, Q, W excepted.)
USP-6C
Represents product series MARK 2 1 Represents oscillation frequency range MARK 2 3 FREQUENCY RANGE 16MHz~36MHz 30MHz~50MHz PRODUCT SERIES XC2311x2xxxx XC2311X3XXXX
1 2 3 6 5 4
PRODUCT SERIES XC2311xxxxxx
USP-6C (TOP VIEW)
Represents operating voltage range OPERATING VOLTAGE RANGE MARK B 2.6V~3.6V Represents divider circuit MARK 0 DIVIDER CIRCUIT No Divider
PRODUCT SERIES XC2311xxBxxx
PRODUCT SERIES XC2311xxx0xx
Represents production lot number 0 to 9, A to Z repeated (G, I, J, O, Q, W excepted.) Note: No character inversion used.
6/11
XC2311
Series
BLOCK DIAGRAM
Rf Constant Voltage Vreg Source
Level Shifter Rd Cpg Cpd Rin=Rvc1+Rvc2 Rv1 Rvc2 Rv2 Rvc1 Variable Capacitor 2 CV2
Output Buffer (Divider)out Inhibit
OUT(Q)
X2 X1
Variable Capacitor 1 CV1
VDD
VSS Vc OE (/INH)
ABSOLUTE MAXIMUM RATINGS
VSS=0V, Ta=25OC
PARAMETER Supply Voltage Input Voltage Output Voltage Output Current SOP-8 SOT-26 USP-6C Operating Ambient Temperature Storage Temperature Range Power Dissipation
SYMBOL VDD VIN VOUT IOUT Pd Topr Tstg
MIN. VSS-0.5 VSS-0.5 VSS-0.5 -
RATINGS TYP. 300 250 100 -
MAX. +7.0 VDD +0.5 VDD +0.5 30
UNIT V V V mA mW
-40 -55
+85 +125

RECOMMENDED OPERATING CONDITIONS
XC2311VxB0 Series Recommended Operating Conditions : VSS = 0V, Ta = -40 ~ +85 Unless otherwise stated, the item is common in XC2311V2B0 or XC2311V3B0. PARAMETER Operating Supply Voltage "H" Level Input Voltage "L" Level Input Voltage Input Voltage Control Voltage Oscillation Frequency Range SYMBOL VDD VIH VIL VIN VC f0 CONDITIONS OE (/INH) Pin OE (/INH) Pin OE (/INH) Pin 2.6V < VDD < 3.6V XC2311V2B0 XC2311V3B0 MIN. 2.6 0.7 x VDD VSS 0 16 30 RATINGS TYP. 3.3 MAX. 3.6 0.3 x VDD VDD VDD + 1.0 36 50 UNIT V V V V V MHz MHz
7/11
XC2311 Series
ELECTRICAL CHARACTERISTICS
XC2311VxB0 Series Condition : Unless otherwise stated, VSS = 0V, VDD = 3.3V, VC = 1.65V, Ta = 25 and the item is common in XC2311V2B0 or XC2311V3B0. PARAMETER Pull Range Operating Supply Current Supply Current Disable (*3) "H" Level Output Voltage "L" Level Output Voltage Input Pull-up Resistance Output Off Leak Current (*3) Output Waveform Symmetry Input Resistance (*2) Pull Range Linearity (*2) Cut-off Frequency at Modulation (*2) Output Rise Time (*2) Output Fall Time (*2) Output Enable Delay Time (*2), (*3) Output Disable Delay Time (*2), (*3) Oscillation Start-up Time (*2) Feedback Resistance (*2) DC Block Capacity (*2) DC Block Capacity (*2) Output Load Capacity (*2)
NOTE: *1: Crystal Oscillator Equivalent Parameter, = CO/C1< 300 *2: The value shown above indicates a design value. *3: For the SOT-26 package products, the OE (/INH) pin is fixed by an internal pull-up. No OE (/INH) function available.
SYMBOL fcntr IDD1 IDD2 VOH VOL Rup Ioz DUTY Rin Lin fc tr tf tpe tpd tstart Rf Cpg Cpd CL
CONDITIONS
Vc = 1.651.35V (*1), XC2311V2B0, 27MHz Vc = 1.651.35V (*1), XC2311V3B0, 47MHz XC2311V2B0, VDD=3.6V, fosc=27MHz, CL=15pF XC2311V3B0, VDD=3.6V, fosc=47MHz, CL=15pF fosc=27MHz, CL=15pF, OE(/INH)= "L" fosc=47MHz, CL=15pF, OE(/INH)= "L"
MIN. 110 100 VDD-0.4
RATINGS TYP. MAX. 3.0 6.0 1.0 1.5 2.5 50 4.5 3.0 4.5 3.0 1.5 100 16 50 15 5.0 12.0 2.0 3.0 0.4 5.0 10 55 10 100 100 19 60 30 15
UNIT ppm mA mA V V M A % k % kHz ns ns ns ns ms k pF pF pF
IOH = -5mA IOL = 5mA OE(/INH) = 0V VDD = 3.6V, OE(/INH) = "L" CL = 15pF Between the VC and the Ground pins Vc = 1.651.35V (*1) Vc = 1.651.35V (*1), Sine wave input
XC2311V2B0, CL = 15pF (from 10% to 90%) XC2311V3B0, CL = 15pF (from 10% to 90%) XC2311V2B0, CL = 15pF (from 10% to 90%) XC2311V3B0, CL = 15pF (from 10% to 90%)
1.0 45 100 15 13 40 -
XC2311V2B0, CMOS level XC2311V3B0, CMOS level
8/11
XC2311
Series
OUTPUT WAVEFORMS (Duty, Tr, Tf, Tpe, Tpd)
Duty / Tr, Tf: Output Duty, Output Rise / Fall Time
TWH TWL VOH
VDD x 0.9
VDD x 0.5
Duty = TWH / (TWH + TWL) x 100%
VDD x 0.1
VOL
Tr
Tf
Tpe / Tpd: Output Enable / Disable Time
Tpd
Tpe
OUT
VIH OE(/INH)
VIL
9/11
XC2311 Series
TYPICAL APPLICATION CIRCUITS
1) SOP-8 and USP-6C
Crystal VDD CIN
X2
VDD
X1
Q
VC
VC VSS
OE
*) Please mount the CIN in a near position from both the VDD and the VSS pins as much as possible.
2) SOT-26
Crystal V DD CIN
X2
VDD
X1
Q
VC
VC VSS
*) Please mount the CIN in a near position from both the VDD and the VSS pins as much as possible.
NOTE ON USE
The content described in this data sheet might be changed without an advance notice. Please contact Torex, sales offices, or representatives to make the inquiry of latest information.
10/11
XC2311
Series
1. The products and product specifications contained herein are subject to change without notice to improve performance characteristics. Consult us, or our representatives before use, to confirm that the information in this catalog is up to date. 2. We assume no responsibility for any infringement of patents, patent rights, or other rights arising from the use of any information and circuitry in this catalog. 3. Please ensure suitable shipping controls (including fail-safe designs and aging protection) are in force for equipment employing products listed in this catalog. 4. The products in this catalog are not developed, designed, or approved for use with such equipment whose failure of malfunction can be reasonably expected to directly endanger the life of, or cause significant injury to, the user. (e.g. Atomic energy; aerospace; transport; combustion and associated safety equipment thereof.) 5. Please use the products listed in this catalog within the specified ranges. Should you wish to use the products under conditions exceeding the specifications, please consult us or our representatives. 6. We assume no responsibility for damage or loss due to abnormal use. 7. All rights reserved. No part of this catalog may be copied or reproduced without the prior permission of Torex Semiconductor Ltd.
11/11

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