MC74VHCT126A ON Semiconductor, MC74VHCT126A Datasheet

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MC74VHCT126A

Manufacturer Part Number
MC74VHCT126A
Description
Quad Bus Buffer
Manufacturer
ON Semiconductor
Datasheet

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MC74VHCT126ADR2G
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ON Semiconductor
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MC74VHCT126A
Quad Bus Buffer
with 3–State Control Inputs
fabricated with silicon gate CMOS technology. It achieves
noninverting high speed operation similar to equivalent Bipolar
Schottky TTL while maintaining CMOS low power dissipation.
set Low to place the output into high impedance.
be used as a level converter for interfacing 3.3V to 5.0V, because it has
full 5V CMOS level output swings.
between 0V and 5.5V are applied, regardless of the supply voltage.
The output structures also provide protection when V CC = 0V. These
input and output structures help prevent device destruction caused by
supply voltage – input/output voltage mismatch, battery backup, hot
insertion, etc.
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.
April, 2000 – Rev. 1
The MC74VHCT126A is a high speed CMOS quad bus buffer
The MC74VHCT126A requires the 3–state control input (OE) to be
The VHCT inputs are compatible with TTL levels. This device can
The VHCT126A input structures provide protection when voltages
The internal circuit is composed of three stages, including a buffer
High Speed: t PD = 3.8ns (Typ) at V CC = 5V
Low Power Dissipation: I CC = 4 A (Max) at T A = 25 C
TTL–Compatible Inputs: V IL = 0.8V; V IH = 2.0V
Power Down Protection Provided on Inputs
Balanced Propagation Delays
Designed for 2V to 5.5V Operating Range
Low Noise: V OLP = 0.8V (Max)
Pin and Function Compatible with Other Standard Logic Families
Latchup Performance Exceeds 300mA
ESD Performance: HBM > 2000V; Machine Model > 200V
Chip Complexity: 72 FETs or 18 Equivalent Gates
Semiconductor Components Industries, LLC, 2000
Active–High Output Enables
OE1
OE2
OE3
OE4
A1
A2
A3
A4
LOGIC DIAGRAM
10
12
13
2
1
5
4
9
3
6
8
11
Y1
Y2
Y3
Y4
FUNCTION TABLE
A
H
X
L
Inputs
VHCT126A
OE
H
H
L
Output
Y
H
L
Z
1
For detailed package marking information, see the Marking
Diagram section on page 4 of this data sheet.
MC74VHCT126AD
MC74VHCT126ADT
MC74VHCT126AM
14–LEAD SOIC
Device
CASE 751A
MARKING DIAGRAM (Top View)
D SUFFIX
ORDERING INFORMATION
PIN CONNECTION AND
GND
OE1
OE2
A1
Y1
A2
Y2
http://onsemi.com
14–LEAD SOIC EIAJ
1
2
3
4
5
6
7
CASE 965
M SUFFIX
SOIC EIAJ
Package
TSSOP
Publication Order Number:
SOIC
14
13
12
10
11
14–LEAD TSSOP
9
8
MC74VHCT126A/D
CASE 948G
DT SUFFIX
V CC
OE4
A4
Y4
OE3
A3
Y3
55 Units/Rail
96 Units/Rail
50 Units/Rail
Shipping

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MC74VHCT126A Summary of contents

Page 1

... Bipolar Schottky TTL while maintaining CMOS low power dissipation. The MC74VHCT126A requires the 3–state control input (OE set Low to place the output into high impedance. The VHCT inputs are compatible with TTL levels. This device can be used as a level converter for interfacing 3 ...

Page 2

... I OPD Output Leakage Current Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î MC74VHCT126A Î Î Î Î Î Î Î Î Value Î Î Î Î Î Î Î Î Î Î ...

Page 3

... Quiet Output Minimum Dynamic IHD Minimum High Level Dynamic Input Voltage V ILD Maximum Low Level Dynamic Input Voltage MC74VHCT126A (Input 3.0ns) Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î ...

Page 4

... VHCT126A AWLYWW 14–LEAD SOIC D SUFFIX CASE 751A 14 1 *See Applications Note #AND8004/D for date code and traceability information. MC74VHCT126A SWITCHING WAVEFORMS OE 1.5V 3.0V t PZL t PLZ GND 1. PZH t PHZ V OL 1.5V Y TEST POINT 1 k OUTPUT DEVICE UNDER ...

Page 5

... SEATING PLANE 0.25 (0.010 MC74VHCT126A PACKAGE DIMENSIONS D SUFFIX PLASTIC SOIC PACKAGE CASE 751A–03 ISSUE 0.25 (0.010 http://onsemi.com 5 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. ...

Page 6

... L PIN 1 IDENT 0.15 (0.006 –V– C 0.10 (0.004) –T– SEATING G D PLANE MC74VHCT126A PACKAGE DIMENSIONS DT SUFFIX PLASTIC TSSOP PACKAGE CASE 948G–01 ISSUE 0.25 (0.010 –U– F DETAIL Ç Ç Ç ...

Page 7

... PLASTIC SOIC EIAJ PACKAGE VIEW 0.13 (0.005) M 0.10 (0.004) MC74VHCT126A PACKAGE DIMENSIONS M SUFFIX CASE 965–01 ISSUE O NOTES DETAIL P c http://onsemi.com 7 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. ...

Page 8

... Email: ONlit–asia@hibbertco.com JAPAN: ON Semiconductor, Japan Customer Focus Center 4–32–1 Nishi–Gotanda, Shinagawa–ku, Tokyo, Japan 141–8549 Phone: 81–3–5740–2745 Email: r14525@onsemi.com ON Semiconductor Website: http://onsemi.com For additional information, please contact your local Sales Representative. http://onsemi.com 8 MC74VHCT126A/D ...

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