PO74G2308A
3.3V 1:8 CMOS Clock Buffered Driver
700MHz TTL/CMOS Potato Chip
01/02/08
FEATURES:
. Patented technology . Operating frequency up to 700MHz with 2pf load . Operating frequency up to 550MHz with 5pf load . Operating frequency up to 350MHz with 15pf load . Operating frequency up to 100MHz with 50pf load . Very low output pin to pin skew < 100ps . Very low pulse skew < 200ps . VCC = 1.65V to 3.6V . Propagation delay < 1.9ns max with 15pf load . Low input capacitance: 3pf typical . 1:8 fanout . Available in 16pin 150mil wide SOIC package . Available in 16pin 173mil wide TSSOP package
DESCRIPTION:
Potato Semiconductor’s PO74G2308A is designed for world top performance using submicron CMOS technology to achieve 700MHz output frequency with less than 100ps output pin to pin skew.
PO74G2308A is a 1.65V to 3.6V CMOS 1 input to 8 Output Buffered Driver to achieve 700MHz output frequency. Typical applications are clock and signal distribution.
Inputs can be driven from either 3.3V or 5V devices. This feature allows the use of these devices as translators in a mixed 3.3V/5V system environment.
Pin Configuration
BUF_IN OUTPUT1 OUTPUT2 VD D G ND OUTPUT3 OUTPUT4 V DD
1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9
Logic Block Diagram
BUF_IN
NC OUTPUT8 OUTPUT7 VD D G ND OUTPUT6 OUTPUT5 G ND
OUTPUT1 OUTPUT2 OUTPUT3 OUTPUT4 OUTPUT5 OUTPUT6 OUTPUT7 OUTPUT8
Pin Description
Pin Name BUF_IN OUTPUT 1 to OUTPUT 8 Description Input Outputs
1
Copyright © Potato Semiconductor Corporation
PO74G2308A
3.3V 1:8 CMOS Clock Buffered Driver
700MHz TTL/CMOS Potato Chip
01/02/08
Maximum Ratings
Description Storage Temperature Operation Temperature Operation Voltage Input Voltage Output Voltage Max -65 to 150 -40 to 85 -0.5 to +4.6 -0.5 to +5.5 -0.5 to Vcc+0.5 Unit °C °C V V V Note:
stresses greater than listed under Maximum Ratings may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability specification is not implied.
DC Electrical Characteristics
Symbol Description
Output High voltage Output Low voltage Input High voltage Input Low voltage Input High current Input Low current Clamp diode voltage
Test Conditions
Vcc=3V Vin=VIH or VIL, IOH= -12mA Vcc=3V Vin=VIH or VIL, IOH=12mA Guaranteed Logic HIGH Level (Input Pin) Guaranteed Logic LOW Level (Input Pin) Vcc = 3.6V and Vin = 5.5V Vcc = 3.6V and Vin = 0V Vcc = Min. And IIN = -18mA
Min
Typ
M ax
Unit
VOH VOL VIH VIL IIH IIL VIK
Notes:
1. 2. 3. 4. 5.
2.4 2 -0.5 -
3 0.3 -0.7
0.5 5.5 0.8 50 -50 -1.2
V V V V uA uA V
For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type. Typical values are at Vcc = 3.3V, 25 ° C ambient.
This parameter is guaranteed but not tested. Not more than one output should be shorted at one time. Duration of the test should not exceed one second. VoH = Vcc – 0.6V at rated current
2
Copyright © Potato Semiconductor Corporation
PO74G2308A
3.3V 1:8 CMOS Clock Buffered Driver
700MHz TTL/CMOS Potato Chip
0 1/02/08
Power Supply Characteristics
Symbol Description
Quiescent Power Supply Current
Test Conditions (1)
Vcc=Max, Vin=Vcc or GND
M in
Typ
M ax
Unit
IccQ
Notes:
1. 2. 3. 4.
-
0.1
60
uA
For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type. Typical values are at Vcc = 3.3V, 25° C ambient. This parameter is guaranteed but not tested. Not more than one output should be shorted at one time. Duration of the test should not exceed one second.
Capacitance
Parameters (1) Description
Input Capacitance Output Capacitance
Test Conditions
Vin = 0V Vout = 0V
Typ
M ax
Unit
Cin Cout
Notes:
3 -
4 6
pF pF
1 This parameter is determined by device characterization but not production tested.
Switching Characteristics
Symbol Description
Propagation Delay Buf_in to Output1 to Output9 Propagation Delay Buf_in to Output1 to Output9 Rise/Fall Time Pulse Skew (Same Package) Output Pin to Pin Skew (Same Package) Output Skew (Different Package) Input Frequency Input Frequency Input Frequency Input Frequency
Test Conditions (1)
CL = 15pF CL = 15pF 0.8V – 2.0V CL = 15pF, 125MHz CL = 15pF, 125MHz CL = 15pF, 125MHz CL = 5 0 p F CL =15pF CL = 5pF CL = 2pF
M ax
Unit
tPLH tPHL tr/tf tsk(p) tsk(o) tsk(pp) fmax fmax fmax fmax
Notes:
1.9 1.9 0.8 200 100 400 100 350 550 700
ns ns ns ps ps ps MHz MHz MHz MHz
1. See test circuits and waveforms. 2. tpLH, tpHL, tsk(p), and tsk(o) are production tested. All other parameters guaranteed but not production tested. 3. Airflow of 1m/s is recommended for frequencies above 133MHz
3
C opyright © Potato Semiconductor Corporation
PO74G2308A
3.3V 1:8 CMOS Clock Buffered Driver
700MHz TTL/CMOS Potato Chip
01/02/08
Test Waveforms
Test Circuit
50Ω
4
Copyright © Potato Semiconductor Corporation
PO74G2308A
3.3V 1:8 CMOS Clock Buffered Driver
700MHz TTL/CMOS Potato Chip
01/02/08
Packaging Mechanical Drawing: 16 pin SOIC
16
.149 .157
3.78 3.99
.2284 .2440
5.80 6.20
1
.386 .393 9.80 10.00 .0155 0.393 .0260 0.660 .053 .068 1.35 1.75
.0075 .0098 0.19 0.25
.016 .050
0.41 1.27
.050 BSC 1.27
.013 .020 0.330 0.508
.0040 .0098
0.10 0.25
X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS
Packaging Mechanical Drawing: 16 pin TSSOP
X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS
5
Copyright © Potato Semiconductor Corporation
PO74G2308A
3.3V 1:8 CMOS Clock Buffered Driver
700MHz TTL/CMOS Potato Chip
03/16/08
Packaging Mechanical Drawing: 16 pin QSOP
X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS
6
Copyright © Potato Semiconductor Corporation
PO74G2308A
3.3V 1:8 CMOS Clock Buffered Driver
700MHz TTL/CMOS Potato Chip
01/12/08
Ordering Information
Ordering Code PO74G2308ASU PO74G2308ASR PO74G2308AQU PO74G2308AQR PO74G2308ATU PO74G2308ATR
16-pin SOIC 16-pin SOIC
Package
Tube Tape and reel Tube Tape and reel Tube Tape and reel Pb-free & Green Pb-free & Green Pb-free & Green Pb-free & Green Pb-free & Green Pb-free & Green
Top-Marking PO74G2308AS PO74G2308AS PO74G2308AQ PO74G2308AQ PO74G2308AT PO74G2308AT
TA -40°C to 85°C -40°C to 85°C -40°C to 85°C -40°C to 85°C -40°C to 85°C -40°C to 85°C
16-pin QSOP 16-pin QSOP 16-pin TSSOP 16-pin TSSOP
IC Package Information
PACKAGE CODE PACKAGE TYPE TAPE WIDTH (mm) TAPE PITCH (mm) PIN 1 LOCATION TAPE TRAILER LENGTH QTY PER REEL TAPE LEADER LENGTH QTY PER TUBE
S T
SOIC 16 TSSOP 16
16 12
8 8
Top Left Corner Top Left Corner
39 (12”) 39 (12”)
3000 3000
64 (20”) 64 (20”)
48 96
7
C opyright © Potato Semiconductor Corporation
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