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MC74VHCT14AD View Datasheet(PDF) - ON Semiconductor

Part Name
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MC74VHCT14AD
ON-Semiconductor
ON Semiconductor ON-Semiconductor
MC74VHCT14AD Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
MC74VHCT14A
Hex Schmitt Inverter
The MC74VHCT14A is an advanced high speed CMOS Schmitt
inverter fabricated with silicon gate CMOS technology. It achieves
high speed operation similar to equivalent Bipolar Schottky TTL
while maintaining CMOS low power dissipation.
Pin configuration and function are the same as the
MC74VHCT04A, but the inputs have hysteresis and, with its Schmitt
trigger function, the VHCT14A can be used as a line receiver which
will receive slow input signals.
The VHCT inputs are compatible with TTL levels. This device can
be used as a level converter for interfacing 3.3V to 5.0V, because it has
full 5V CMOS level output swings.
The VHCT14A input structures provide protection when voltages
between 0V and 5.5V are applied, regardless of the supply voltage.
The output structures also provide protection when VCC = 0V. These
input and output structures help prevent device destruction caused by
supply voltage – input/output voltage mismatch, battery backup, hot
insertion, etc.
The internal circuit is composed of three stages, including a buffer
output which provides high noise immunity and stable output. The
inputs tolerate voltages up to 7V, allowing the interface of 5V systems
to 3V systems.
High Speed: tPD = 5.5ns (Typ) at VCC = 5V
Low Power Dissipation: ICC = 2µA (Max) at TA = 25°C
TTL–Compatible Inputs: VIL = 0.8V; VIH = 2.0V
Power Down Protection Provided on Inputs
Balanced Propagation Delays
Designed for 2V to 5.5V Operating Range
Low Noise: VOLP = 0.8V (Max)
Pin and Function Compatible with Other Standard Logic Families
Chip Complexity: 60 FETs or 15 Equivalent Gates
A1 1
2 Y1
A2 3
4 Y2
5
A3
9
A4
6
Y3
Y=A
8
Y4
11
A5
10
Y5
A6 13
12 Y6
Figure 1. Logic Diagram
© Semiconductor Components Industries, LLC, 2001
1
June, 2001– Rev. 2
http://onsemi.com
14–LEAD SOIC
D SUFFIX
CASE 751A
14–LEAD TSSOP
DT SUFFIX
CASE 948G
14–LEAD SOIC EIAJ
M SUFFIX
CASE 965
PIN CONNECTIONS
VCC A6 Y6 A5 Y5 A4 Y4
14 13 12 11 10 9 8
1234567
A1 Y1 A2 Y2 A3 Y3 GND
Pinout: 14–Lead Packages (Top View)
ORDERING INFORMATION
Device
Package
Shipping
MC74VHCT14AD
SOIC
55 Units/Rail
MC74VHCT14ADT TSSOP
96 Units/Rail
MC74VHCT14AM SOIC EIAJ 50 Units/Rail
FUNCTION TABLE
Inputs
Outputs
A
Y
L
H
H
L
Publication Order Number:
MC74VHCT14A/D
 

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