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September 2006 rev 0.3 2.5V CMOS 1-TO-10 CLOCK DRIVER
Features
* * * * * * * * * * * High frequency > 150MHz Guaranteed low skew < 150pS (max.) between any two outputs Very low duty cycle distortion < 300pS High speed: propagation delay < 3nS Very low CMOS power levels TTL compatible inputs and outputs 1:10 fanout Maximum output rise and fall time < 1.25nS (max.) Low input capacitance: 3pF (typ) 2.5V Supply Voltage Available in SSOP and QSOP Packages
PCS2P20807A
Product Description
The PCS2P20807A is a 2.5V compatible, high speed, low noise, 1:10 fanout, non-inverting clock buffer. The large fanout from a single input reduces loading on the preceding driver and provides an efficient clock distribution network. Providing output to output skew as low as 150pS, the PCS20807A is an ideal clock distribution device for synchronous systems. Multiple power and grounds reduce noise. Typical applications are clock and signal distribution.
Block Diagram
O1 O2 O3 O4 O5 IN O6 O7 O8 O9
O10
PulseCore Semiconductor Corporation 1715 S. Bascom Ave Suite 200, Campbell, CA 95008 * Tel: 408-879-9077 * Fax: 408-879-9018 www.pulsecoresemi.com
Notice: The information in this document is subject to change without notice.
September 2006 rev 0.3
Pin Configuring
IN GND O1 VCC O2 GND O3 VCC O4 GND 1 2 3 4 5 6 7 8 9 10
SSOP/ QSOP PACKAGE TOP VIEW
PCS2P20807A
20 19 18 17
VCC O10 O9 GND O8 VCC O7 GND O6 O5
PCS2P20807A
16 15 14 13 12 11
Pin Description Pin #
1 3,5,7,9,11,12,14,16,18,19 2,6,10,13,17 4,8,15,20
Pin Names
IN O1-O10 GND VCC
Description
Clock Input Clock Outputs Ground Power supply
Capacitance (TA = +25C, f = 1.0MHz) Symbol
CIN
Parameter1
Input Capacitance
Conditions
VIN = 0V
Typ
3
Max
4
Unit
pF
NOTE:1. This parameter is measured at characterization but not tested.
2.5V CMOS 1-TO-10 CLOCK DRIVER
Notice: The information in this document is subject to change without notice.
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September 2006 rev 0.3
Absolute Maximum Ratings1 Symbol
VTERM2 VTERM3 VTERM4 TSTG IOUT
PCS2P20807A
Description
Terminal Voltage with Respect to GND Terminal Voltage with Respect to GND Terminal Voltage with Respect to GND Storage Temperature DC Output Current
Max
-0.5 to +4.6 -0.5 to +5.5 -0.5 to VCC+0.5 -65 to +150 -60 to +60
Unit
V V V C mA
NOTES: 1. These are stress ratings only and are not implied for functional use. Exposure to absolute maximum ratings for prolonged periods of time may affect device reliability. 2. VCC terminals. 3. Input terminals. 4. Outputs and I/O terminals.
Power Supply Characteristics Symbol
ICCL ICCH ICC
Parameter
Quiescent Power Supply Current TTL Inputs HIGH Power Supply Current per Input HIGH Dynamic Power Supply Current per Output3 Total Power Current4 Supply
Test Conditions1
VCC= Max VIN = GND or VCC VCC= Max VIN = VCC -0.6V VCC= 2.7V and 15 pF load 150 MHz VCC= Max. CL= 12pF All outputs toggling fi = 150MHz VIN= VCC VIN= GND VIN= VCC -0.6V VIN= GND
Min
Typ2
0.1
Max
20
Unit
A
45
300
A
ICCD
40
A /MHz
IC
105
125 mA
105
125
NOTES: 1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VCC = 2.5V, +25C ambient. 3. This parameter is not directly testable, but is derived for use in Total Power Supply calculations. 4. IC = IQUIESCENT + IINPUTS + IDYNAMIC IC = ICC + ICC DHNT + ICCD (fi) ICC = Quiescent Current (ICCL, ICCH and ICCZ) ICC = Power Supply Current for a TTL High Input (VIN = VCC -0.6V) DH = Duty Cycle for TTL Inputs High NT = Number of TTL Inputs at DH ICCD = Dynamic Current Caused by an Input Transition Pair (HLH or LHL) fi = Input Frequency
2.5V CMOS 1-TO-10 CLOCK DRIVER
Notice: The information in this document is subject to change without notice.
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September 2006 rev 0.3
DC Electrical Characteristics Over Operating Range
Following Conditions Apply Unless Otherwise Specified Industrial: TA = -40C to +85C, VCC = 2.5V 0.2V
PCS2P20807A
Symbol
VIH VIL IIH IIL VIK IODH
Parameter
Input HIGH Level Input LOW Level Input HIGH (Input pins) Input LOW (Input pins) Current Current
Test Conditions1
Min
1.7
Typ2
Max
0.7
Unit
V V mA mA V mA
VCC= Max, VI = VCC VCC= Max, VI = GND VCC= Min, IIN = -18mA VCC= 2.5V, VIN = VIH or VIL VO = 1.25V3 VCC= 2.5V, VIN = VIH or VIL VO = 1.25V3 VCC= Min VIN = VIH or VIL IOH = -1mA IOH = -8mA -25 -0.7 -45
1 1 -1 -100
Clamp Diode Voltage Output HIGH Current
IODL
Output LOW Current Output HIGH Voltage
20 VCC-0.2 1.85
55
120
mA
VOH VOL
V 0.4 0.6
Output LOW Voltage
VCC= Min VIN = VIH or VIL VCC= Max., VO = GND3
IOL = 1mA IOL = 8mA -25 -60
V mA
IOS
Short Circuit Current4
-135
NOTES: 1. For conditions shown as Max or Min, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at Vcc = 2.5V, +25C ambient. 3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second. 4. This parameter is guaranteed but not tested. 5. VOH = Vcc - 0.6V at rated current.
2.5V CMOS 1-TO-10 CLOCK DRIVER
Notice: The information in this document is subject to change without notice.
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September 2006 rev 0.3
Switching Characteristics Over Operating Range1,2
Following Conditions Apply Unless Otherwise Specified Industrial: TA = -40C to +85C, VCC = 2.5V 0.2V
PCS2P20807A
Symbol
tPLH tPHL tR tF tSK(O) tSK(P) tSK(PP)
Parameter
Propagation Delay
Conditions3
Min
Typ
3 1 1 100 250
Max
3.5 1.25 1.25 150 300 600
Unit
nS nS nS pS pS pS
Output Rise Time Output Fall Time Same Device Output Pin-to-Pin Skew Pulse Skew
5 6 4
CL= 22pF 100 MHz
Part-to-Part Skew
400
Symbol
tPLH tPHL tR tF tSK(O) tSK(P) tSK(PP)
Parameter
Propagation Delay
Conditions3,7
Min
Typ
2.4 1 1 100 250
Max
2.7 1.2 1.2 150 300 600
Unit
nS nS nS pS pS pS
Output Rise Time Output Fall Time Same Device Output Pin-to-Pin Skew Pulse Skew
5 6 4
CL= 12pF 150 MHz
Part-to-Part Skew
400
NOTES: 1. tPLH and tPHL are production tested. All other parameters guaranteed but not production tested. 2. Propagation delay range indicated by Min. and Max. limit is due to VCC, operating temperature and process parameters. These propagation delay limits do not imply skew. 3. See test circuits and waveforms. 4. Skew measured between all outputs under identical transitions and load conditions. 5. Skew measured is difference between propagation delay times tPHL and tPLH of same output under identical load conditions. 6. Part to part skew for all outputs given identical transitions and load conditions at identical VCC levels and temperature. 7. Airflow of 1m/s is recommended for frequencies above 133MHz.
2.5V CMOS 1-TO-10 CLOCK DRIVER
Notice: The information in this document is subject to change without notice.
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September 2006 rev 0.3
Test Circuits and Waveforms
VCC O
PCS2P20807A
VIN Pulse Generator D.U.T
VOUT
CL
CL = Load Capacitance: Includes Jig and Capacitance probe
2.5V 1.25V INPUT tPLH tPLH OV VOH 1.7 V OUTPUT tR tF 0.7 V 1.25 V VOL
Propagation Delay
2.5V 1.25V INPUT tPLH tPLH VOH OV
1.25 V OUTPUT tSK(p) =[ tPHL - tPLH ] VOL
Pulse Skew - tSK(P)
2.5V CMOS 1-TO-10 CLOCK DRIVER
Notice: The information in this document is subject to change without notice.
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September 2006 rev 0.3
1.25V 2.5V INPUT tPLH tPLHL 1 VOH 1.25 V OUTPUT 1 VOL VOH tSK(O) tSK(O) 1.25 V VOL OUTPUT 2 tPLH2 tPHL2 OV
PCS2P20807A
tSK(O) =[ tPLH2 - tPLH 1 ] or [tPHL2 - tPHL1 ]
Output Skew - tSK(O)
2.5V 1.25V INPUT tPLH 1 tPLHL OV
1
VOH 1.25 V DEVICE 1 OUTPUT tSK(t) tSK(t) VOL VOH 1.25 V DEVICE 2 OUTPUT tPLH2 tPHL2 VOL DEVICE 2 OUTPUT
tSK(t) =[ tPLH2 - tPLH 1 ] or [tPHL2 - tPHL1 ]
NOTE: Device 1 and device 2 are same package type and speed grade.
Part-to-Part Skew - tSK(PP)
Test Conditions Symbol
CL RT t R / tF
VCC = 2.5V 0.2V
221 122 Z OUT of pulse generator 1.25 1.2
1 2
Unit
pF nS
DEFINITIONS: CL = Load capacitance: includes jig and probe capacitance. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator. tR / tF = Rise/Fall time of the input stimulus from the Pulse Generator. NOTES: 1. Test conditions at 100MHz. 2. Test conditions at 150MHz.
2.5V CMOS 1-TO-10 CLOCK DRIVER
Notice: The information in this document is subject to change without notice.
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September 2006 rev 0.3
Package Information 20-lead SSOP ( 209 mil )
PCS2P20807A
Dimensions Symbol
A A1 A2 D c E E1 L L1 b R1 a e
Inches Min Max
0.053 0.004 .... 0.337 0.007 0.228 0.150 0.016 0.008 0.003 0 0.069 0.010 0.059 0.344 0.011 0.244 0.157 0.035 0.014 .... 8
Millimeters Min Max
1.346 0.102 .... 8.560 0.178 5.791 3.810 0.406 0.203 0.08 0 1.753 0.254 1.499 8.738 0.274 6.198 3.988 0.890 0.356 ..... 8
0.010 BASIC
0.254 BASIC
0.025 BASIC
0.635 BASIC
2.5V CMOS 1-TO-10 CLOCK DRIVER
Notice: The information in this document is subject to change without notice.
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September 2006 rev 0.3
Package Information 20-lead QSOP
PCS2P20807A
Dimensions Symbol
A A1 b c D E e H h L S a
Inches Min Max
0.060 0.004 0.009 0.007 0.337 0.150 0.230 0.010 0.016 0.056 0 0.068 0.008 0.012 0.010 0.344 0.157 0.244 0.016 0.035 0.060 8
Millimeters Min Max
1.52 0.10 0.23 0.18 8.56 3.81 5.84 0.25 0.41 1.42 0 1.73 0.20 0.30 0.25 8.74 3.99 6.20 0.41 0.89 1.52 8
0.025 BSC
0.64 BSC
2.5V CMOS 1-TO-10 CLOCK DRIVER
Notice: The information in this document is subject to change without notice.
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September 2006 rev 0.3
Ordering Information Part Number
PCS2P20807AG-20-AR PCS2P20807AG-20-AT PCS2P20807AG-20-DR PCS2P20807AG-20-DT PCS2I20807AG-20-AR PCS2I20807AG-20-AT PCS2I20807AG-20-DR PCS2I20807AG-20-DT
PCS2P20807A
Marking
2P20807AG 2P20807AG 2P20807AG 2P20807AG 2I20807AG 2I20807AG 2I20807AG 2I20807AG
Package Type
20-Pin SSOP, TAPE & REEL , Green 20-Pin SSOP, TUBE, Green 20-Pin QSOP, TAPE & REEL, Green 20-Pin QSOP, TUBE, Green 20-Pin SSOP, TAPE & REEL, Green 20-Pin SSOP, TUBE, Green 20-Pin QSOP, TAPE & REEL, Green 20-Pin QSOP, TUBE, Green
Temperature
Commercial Commercial Commercial Commercial Industrial Industrial Industrial Industrial
Device Ordering Information
PCS2P20807AG-20-AR
R = Tape & Reel, T = Tube or Tray O = SOT S = SOIC T = TSSOP A = SSOP V = TVSOP B = BGA Q = QFN DEVICE PIN COUNT U = MSOP E = TQFP L = LQFP U = MSOP P = PDIP D = QSOP X = SC-70
G = GREEN PACKAGE, LEAD FREE, and RoHS PART NUMBER X= Automotive I= Industrial P or n/c = Commercial (-40C to +125C) (-40C to +85C) (0C to +70C) 1 = Reserved 2 = Non PLL based 3 = EMI Reduction 4 = DDR support products 5 = STD Zero Delay Buffer 6 = Power Management 7 = Power Management 8 = Power Management 9 = Hi Performance 0 = Reserved
PulseCore Semiconductor Mixed Signal Product
Licensed under US patent Nos 5,488,627 and 5,631,920.
2.5V CMOS 1-TO-10 CLOCK DRIVER
Notice: The information in this document is subject to change without notice.
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September 2006 rev 0.3
PCS2P20807A
PulseCore Semiconductor Corporation 1715 S. Bascom Ave Suite 200 Campbell, CA 95008 Tel: 408-879-9077 Fax: 408-879-9018 www.pulsecoresemi.com
Copyright (c) PulseCore Semiconductor All Rights Reserved Preliminary Information Part Number: PCS2P20807A Document Version: v0.3
Note: This product utilizes US Patent # 6,646,463 Impedance Emulator Patent issued to PulseCore Semiconductor, dated 11-11-2003
(c) Copyright 2006 PulseCore Semiconductor Corporation. All rights reserved. Our logo and name are trademarks or registered trademarks of PulseCore Semiconductor. All other brand and product names may be the trademarks of their respective companies. PulseCore reserves the right to make changes to this document and its products at any time without notice. PulseCore assumes no responsibility for any errors that may appear in this document. The data contained herein represents PulseCore's best data and/or estimates at the time of issuance. PulseCore reserves the right to change or correct this data at any time, without notice. If the product described herein is under development, significant changes to these specifications are possible. The information in this product data sheet is intended to be general descriptive information for potential customers and users, and is not intended to operate as, or provide, any guarantee or warrantee to any user or customer. PulseCore does not assume any responsibility or liability arising out of the application or use of any product described herein, and disclaims any express or implied warranties related to the sale and/or use of PulseCore products including liability or warranties related to fitness for a particular purpose, merchantability, or infringement of any intellectual property rights, except as express agreed to in PulseCore's Terms and Conditions of Sale (which are available from PulseCore). All sales of PulseCore products are made exclusively according to PulseCore's Terms and Conditions of Sale. The purchase of products from PulseCore does not convey a license under any patent rights, copyrights; mask works rights, trademarks, or any other intellectual property rights of PulseCore or third parties. PulseCore does not authorize its products for use as critical components in life-supporting systems where a malfunction or failure may reasonably be expected to result in significant injury to the user, and the inclusion of PulseCore products in such life-supporting systems implies that the manufacturer assumes all risk of such use and agrees to indemnify PulseCore against all claims arising from such use.
2.5V CMOS 1-TO-10 CLOCK DRIVER
Notice: The information in this document is subject to change without notice.
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