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MC74VHCT32A_11 Datasheet(数据表) 1 Page - ON Semiconductor

部件型号  MC74VHCT32A_11
说明  Quad 2-Input OR Gate / CMOS Logic Level Shifter
下载  7 Pages
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
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© Semiconductor Components Industries, LLC, 2011
May, 2011 − Rev. 4
1
Publication Order Number:
MC74VHCT32A/D
MC74VHCT32A
Quad 2-Input OR Gate /
CMOS Logic Level Shifter
with LSTTL − Compatible Inputs
The MC74VHCT32A is an advanced high speed CMOS 2−input
OR gate fabricated with silicon gate CMOS technology. It achieves
high speed operation similar to equivalent Bipolar Schottky TTL
while maintaining CMOS low power dissipation.
The internal circuit is composed of three stages, including a buffer
output which provides high noise immunity and stable output.
The device input is compatible with TTL−type input thresholds and
the output has a full 5.0 V CMOS level output swing. The input
protection circuitry on this device allows overvoltage tolerance on the
input, allowing the device to be used as a logic−level translator from
3.0 V CMOS logic to 5.0 V CMOS Logic or from 1.8 V CMOS logic
to 3.0 V CMOS Logic while operating at the high−voltage power
supply.
The MC74VHCT32A input structure provides protection when
voltages up to 7.0 V are applied, regardless of the supply voltage. This
allows the MC74VHCT32A to be used to interface 5.0 V circuits to
3.0 V circuits. The output structures also provide protection when
VCC = 0 V. These input and output structures help prevent device
destruction caused by supply voltage − input/output voltage mismatch,
battery backup, hot insertion, etc.
Features
High Speed: tPD = 3.8 ns (Typ) at VCC = 5.0 V
Low Power Dissipation: ICC = 2 mA (Max) at TA = 25°C
TTL−Compatible Inputs: VIL = 0.8 V; VIH = 2.0 V
Power Down Protection Provided on Inputs
Balanced Propagation Delays
Designed for 2.0 V to 5.5 V Operating Range
Low Noise: VOLP = 0.8 V (Max)
Pin and Function Compatible with Other Standard Logic Families
Latchup Performance Exceeds 300 mA
ESD Performance:
Human Body Model > 2000 V;
Machine Model > 200 V
These Devices are Pb−Free and are RoHS Compliant
TSSOP−14
DT SUFFIX
CASE 948G
SOEIAJ−14
M SUFFIX
CASE 965
http://onsemi.com
74VHCT32
ALYWG
1
VHCT32AG
AWLYWW
1
14
SOIC−14
D SUFFIX
CASE 751A
†For additional marking information, refer to
Application Note AND8002/D.
See detailed ordering and shipping information in the package
dimensions section on page 4 of this data sheet.
ORDERING INFORMATION
MARKING
DIAGRAMS
1
VHCT
32A
ALYW G
G
1
14
1
14
1
A
= Assembly Location
WL, L
= Wafer Lot
Y
= Year
WW, W = Work Week
G or G = Pb−Free Package
(Note: Microdot may be in either location)




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