MC74VHC541 Motorola, MC74VHC541 Datasheet

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MC74VHC541

Manufacturer Part Number
MC74VHC541
Description
Octal Bus Buffer
Manufacturer
Motorola
Datasheet

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Octal Bus Buffer
fabricated with silicon gate CMOS technology. It achieves high speed
operation similar to equivalent Bipolar Schottky TTL while maintaining
CMOS low power dissipation.
high, the terminal outputs are in the 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.
4/98
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Motorola, Inc. 1998
The MC74VHC541 is an advanced high speed CMOS octal bus buffer
The MC74VHC541 is a noninverting type. When either OE1 or OE2 are
The internal circuit is composed of three stages, including a buffer output
High Speed: t PD = 3.7ns (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 = 1.2V (Max)
Pin and Function Compatible with Other Standard Logic Families
Latchup Performance Exceeds 300mA
ESD Performance: HBM > 2000V; Machine Model > 200V
Chip Complexity: 134 FETs or 33.5 Equivalent Gates
ENABLES
OUTPUT
INPUTS
DATA
A1
A2
A3
A4
A5
A6
A7
A8
OE1
OE2
2
3
4
5
6
7
8
9
OE1
1
19
H
X
L
L
FUNCTION TABLE
Inputs
LOGIC DIAGRAM
OE2
X
H
L
L
A
H
X
X
L
1
Output Y
H
L
Z
Z
18
17
16
15
14
13
12
11
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
NONINVERTING
OUTPUTS
REV 2
MC74VHC541
MC74VHCXXXDW
MC74VHCXXXDT
MC74VHCXXXM
20–LEAD SOIC WIDE PACKAGE
20–LEAD SOIC EIAJ PACKAGE
20–LEAD TSSOP PACKAGE
ORDERING INFORMATION
GND
OE1
A4
A1
A2
A3
A5
A6
A7
A8
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 WIDE
TSSOP
SOIC EIAJ
V CC
OE2
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8

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MC74VHC541 Summary of contents

Page 1

... CMOS technology. It achieves high speed operation similar to equivalent Bipolar Schottky TTL while maintaining CMOS low power dissipation. The MC74VHC541 is a noninverting type. When either OE1 or OE2 are high, the terminal outputs are in the high impedance state. The internal circuit is composed of three stages, including a buffer output which provides high noise immunity and stable output ...

Page 2

... MC74VHC541 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 3 MC74VHC541 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

... MC74VHC541 A 50% t PLH 50 Figure 1. TEST POINT OUTPUT DEVICE UNDER TEST *Includes all probe and jig capacitance Figure 3. MOTOROLA SWITCHING WAVEFORMS OE1 or OE2 50 GND t PHL Y Y TEST CIRCUITS OUTPUT DEVICE UNDER TEST *Includes all probe and jig capacitance ...

Page 5

... DETAIL DETAIL E 5 MC74VHC541 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSIONS A AND B DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.150 (0.006) PER SIDE. 5. DIMENSION D DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.13 (0 ...

Page 6

... 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. MC74VHC541/D VHC Data – Advanced CMOS Logic DL203 — Rev 2 ...

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