QUADRUPLE BUS BUFFER GATE WITH 3-STATE OUTPUTS
PO74G126A
02/07/07
74 Series GHz Logic
FEATURES:
. Patented technology . Operating frequency up to 1.125GHz with 2pf load . Operating frequency up to 700MHz with 5pf load . Operating frequency up to 400MHz with 15pf load . VCC Operates from 1.65V to 3.6V . Propagation delay < 1.5ns max with 15pf load . Low input capacitance: 4pf typical . Available in 14pin 150mil wide SOIC package
DESCRIPTION:
Potato Semiconductor’s PO74G126A is designed for world top performance using submicron CMOS technology to achieve 1.125GHz TTL /CMOS output frequency with less than 1.5ns propagation delay. This quadruple bus buffer gate is designed for 1.65-V to 3.6-V VCC operation. The PO74G126A featuresindependent linedriverswith3-stateoutputs. Eachoutput isdisabledwhenthe associatedoutput-enable(OE)input islow. 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
1OE 1A 1Y 2OE 2A 2Y GND
Logic Block Diagram
VCC 4OE 4A 4Y
2OE 4 5 6 1OE 1A 1 2 3
1 2 3 4 5 6 7
14 13 12 11 10 9 8
1Y
3OE 3A 3Y
3OE 10 9 8 2A 2Y
Pin Description
INPUTS OE H H L A H L X OUTPUT Y H L Z
3A
3Y
4OE 4A
13 12 11
4Y
1
C o p y r i g h t © Potato Semiconductor Corporation
QUADRUPLE BUS BUFFER GATE WITH 3-STATE OUTPUTS
PO74G126A
02/07/07
74 Series GHz Logic
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 1 -1 -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
C o p y r i g h t © Potato Semiconductor Corporation
QUADRUPLE BUS BUFFER GATE WITH 3-STATE OUTPUTS
PO74G126A
02/07/07
74 Series GHz Logic
Power Supply Characteristics
Symbol Description
Quiescent Power Supply Current Power Supply Current per Input High
Test Conditions (1)
Vcc=Max, Vin=Vcc or GND Vcc=Max, Vin= Vcc-0.6V
Min
Typ
Max
Unit
IccQ ∆Icc
Notes:
1. 2. 3. 4. 5.
-
0.1 50
30 300
uA 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. VoH = Vcc – 0.6V at rated current
Capacitance
Parameters (1) Description
Input Capacitance Output Capacitance
Test Conditions
Vin = 0V Vout = 0V
Typ
Unit
Cin Cout
Notes:
4 6
pF pF
1 This parameter is determined by device characterization but not production tested.
Switching Characteristics
Symbol Description
Propagation Delay A to Y Propagation Delay A to Y Output Enable Time Output Disable Time Rise/Fall Time Input Frequency Input Frequency Input Frequency
Test Conditions (1)
CL = 15pF CL = 15pF CL = 15pF CL = 15pF 0.8V – 2.0V CL =15pF CL = 5pF CL = 2pF
M ax
Unit
tPLH tPHL tPZH or tPZL tPHZ or tPLZ tr/tf fmax fmax fmax
Notes:
1.5 1.5 2.5 2.5 0.8 400 750 1125
ns ns ns ns ns 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 o p y r i g h t © 2005-2006, Potato Semiconductor Corporation
QUADRUPLE BUS BUFFER GATE WITH 3-STATE OUTPUTS
PO74G126A
02/07/07
74 Series GHz Logic
Test Waveforms
Test Circuit
500 Ω
50Ω
15pF to 2pF
50 Ω
500 Ω
4
C o p y r i g h t © Potato Semiconductor Corporation
QUADRUPLE BUS BUFFER GATE WITH 3-STATE OUTPUTS
PO74G126A
02/07/07
74 Series GHz Logic
Packaging Mechanical Drawing: 14 pin 150mil SOIC
0.244 6.20 0.228 5.80
0.010 0.007 0.25 0.17
0.050 1.27 0.016 0.40
X.XX Denotes dimensions in inches X.XX X.XX Denotes dimensions in millimenters X.XX
5
C o p y r i g h t © Potato Semiconductor Corporation
QUADRUPLE BUS BUFFER GATE WITH 3-STATE OUTPUTS
PO74G126A
10/27/07
74 Series GHz Logic
Ordering Information
Ordering Code
PO74G126ASU PO74G126ASR 14pin SOIC 14pin SOIC
Package
Tube Tape and reel Pb-free & Green Pb-free & Green
Top-Marking
PO74G126AS PO74G126AS
TA -40°C to 85°C -40°C to 85°C
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
SOIC 14
16
8
Top Left Corner
39 (12”)
3000
64 (20”)
55
6
C o p y r i g h t © Potato Semiconductor Corporation
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