MC74VHC373 Motorola, MC74VHC373 Datasheet

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MC74VHC373

Manufacturer Part Number
MC74VHC373
Description
Octal D-Type Latch with 3-State Output
Manufacturer
Motorola
Datasheet

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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Octal D-Type Latch
with 3-State Output
3–state output fabricated with silicon gate CMOS technology. It achieves
high speed operation similar to equivalent Bipolar Schottky TTL while
maintaining CMOS low power dissipation.
enable input. When the output enable input is high, the eight outputs are in a
high impedance state.
which provides high noise immunity and stable output. The inputs tolerate
voltages up to 7V, allowing the interface of 5V systems to 3V systems.
6/97
Motorola, Inc. 1997
The MC74VHC373 is an advanced high speed CMOS octal latch with
This 8–bit D–type latch is controlled by a latch enable input and an output
The internal circuit is composed of three stages, including a buffer output
High Speed: t PD = 5.0ns (Typ) at V CC = 5V
Low Power Dissipation: I CC = 4 A (Max) at T A = 25 C
High Noise Immunity: V NIH = V NIL = 28% V CC
Power Down Protection Provided on Inputs
Balanced Propagation Delays
Designed for 2V to 5.5V Operating Range
Low Noise: V OLP = 0.9V (Max)
Pin and Function Compatible with Other Standard Logic Families
Latchup Performance Exceeds 300mA
ESD Performance: HBM > 2000V; Machine Model > 200V
Chip Complexity: 186 FETs or 46.5 Equivalent Gates
INPUTS
DATA
FUNCTION TABLE
OE
H
L
L
L
OE
D0
D1
D2
D3
D4
D5
D6
D7
LE
3
4
7
8
13
14
17
18
11
1
INPUTS
LE
LOGIC DIAGRAM
H
H
X
L
D
H
X
X
L
1
No Change
OUTPUT
12
15
16
19
2
5
6
9
Q
H
Z
L
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
NONINVERTING
OUTPUTS
REV 1
MC74VHC373
MC74VHCXXXDW
MC74VHCXXXDT
MC74VHCXXXM
20–LEAD SOIC EIAJ PACKAGE
20–LEAD TSSOP PACKAGE
ORDERING INFORMATION
20–LEAD SOIC PACKAGE
GND
OE
Q0
Q1
D0
D1
Q2
D2
D3
Q3
PIN ASSIGNMENT
CASE 751D–04
CASE 948E–02
CASE 967–01
DW SUFFIX
1
2
3
4
5
6
7
8
9
10
DT SUFFIX
M SUFFIX
20
19
18
17
16
15
14
13
12
11
SOIC
TSSOP
SOIC EIAJ
V CC
Q7
D7
D6
Q6
Q5
D5
D4
Q4
LE

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MC74VHC373 Summary of contents

Page 1

... SEMICONDUCTOR TECHNICAL DATA Octal D-Type Latch with 3-State Output The MC74VHC373 is an advanced high speed CMOS octal latch with 3–state output fabricated with silicon gate CMOS technology. It achieves high speed operation similar to equivalent Bipolar Schottky TTL while maintaining CMOS low power dissipation. ...

Page 2

... MC74VHC373 Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î MAXIMUM RATINGS* Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î ...

Page 3

... Parameter P 3 MC74VHC373 Î Î Î Î Î Î Î Î Î Î Î – Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î ...

Page 4

... MC74VHC373 TIMING REQUIREMENTS (Input 3.0ns) S Symbol Parameter t w(h) Minimum Pulse Width Minimum Setup Time Minimum Hold Time 50% t PLH 50% VCC Q Figure 1. OE 50% t PLZ t PZL 50% VCC Q t PZH t PHZ Q 50% VCC Figure 3. MOTOROLA Test Conditions ...

Page 5

... INPUT EQUIVALENT CIRCUIT INPUT 5 MC74VHC373 TEST POINT CONNECT WHEN 1 k TESTING t PLZ AND t PZL . CONNECT TO GND WHEN TESTING t PHZ AND t PZH . Figure ...

Page 6

... MC74VHC373 –A– –B– 10X 20X 0.010 (0.25 18X K K 20X 0.10 (0.004) 0.15 (0.006 L PIN 1 IDENT 1 0.15 (0.006 –V– 0.100 (0.004) –T– SEATING PLANE MOTOROLA OUTLINE DIMENSIONS DW SUFFIX PLASTIC SOIC PACKAGE CASE 751D– ...

Page 7

... D 12.35 12.80 0.486 0.504 E 5.10 5.45 0.201 0.215 e 1.27 BSC 0.050 BSC H E 7.40 8.20 0.291 0.323 L 0.50 0.85 0.020 0.033 L E 1.10 1.50 0.043 0.059 0.70 0.90 0.028 0.035 Z ––– 0.81 ––– 0.032 Mfax is a trademark of Motorola, Inc. MC74VHC373/D MOTOROLA ...

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