MC74VHC125 ON Semiconductor, MC74VHC125 Datasheet

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MC74VHC125

Manufacturer Part Number
MC74VHC125
Description
Quad Bus Buffer
Manufacturer
ON Semiconductor
Datasheet

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MC74VHC125
Quad Bus Buffer
with 3–State Control Inputs
fabricated with silicon gate CMOS technology. It achieves high speed
operation similar to equivalent Bipolar Schottky TTL while
maintaining CMOS low power dissipation.
High to place the output into the high impedance state.
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. 2
The MC74VHC125 is a high speed CMOS quad bus buffer
The MC74VHC125 requires the 3–state control input (OE) to be set
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
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 = 0.8V (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
OE1
OE2
OE3
OE4
Active–Low Output Enables
A1
A2
A3
A4
FUNCTION TABLE
LOGIC DIAGRAM
A
H
X
10
12
13
L
Inputs
2
1
5
4
9
VHC125
OE
H
L
L
Output
Y
H
L
Z
3
6
8
11
Y1
Y2
Y3
Y4
1
For detailed package marking information, see the Marking
Diagram section on page 5 of this data sheet.
MC74VHC125D
MC74VHC125DT
MC74VHC125M
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
SOIC
Publication Order Number:
14
13
12
10
11
14–LEAD TSSOP
9
8
CASE 948G
DT SUFFIX
V CC
OE4
A4
Y4
OE3
A3
Y3
MC74VHC125/D
55 Units/Rail
96 Units/Rail
50 Units/Rail
Shipping

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MC74VHC125 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 MC74VHC125 requires the 3–state control input (OE set High to place the output into 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

... 4mA 8mA I OZ Maximum 3–State Leakage Current V OUT = GND MC74VHC125 Î Î Î Î Î Î Î Î Value Unit Î Î Î Î Î Î Î Î Î Î Î Î Î ...

Page 3

... V OLP Quiet Output Maximum Dynamic OLV Quiet Output Minimum Dynamic IHD Minimum High Level Dynamic Input Voltage V ILD Maximum Low Level Dynamic Input Voltage MC74VHC125 0 to 5.5 5.5 4.0 (Input 3.0ns Î Î Î Î Î Î Î Î Î Î ...

Page 4

... PLH 50 Figure 1. TEST POINT OUTPUT DEVICE UNDER TEST *Includes all probe and jig capacitance Figure 3. Test Circuit INPUT Figure 5. Input Equivalent Circuit MC74VHC125 SWITCHING WAVEFORMS OE 50 PZL t PLZ GND 50 PZH t PHZ 50 TEST POINT 1 k ...

Page 5

... MC74VHC125 MARKING DIAGRAMS (Top View VHC125 AWLYWW 14–LEAD SOIC D SUFFIX CASE 751A VHC125 AWLYWW 14–LEAD SOIC EIAJ M SUFFIX CASE 965 *See Applications Note #AND8004/D for date code and traceability information. http://onsemi.com ...

Page 6

... L PIN 1 IDENT 0.15 (0.006 –V– C 0.10 (0.004) –T– SEATING G D PLANE MC74VHC125 PACKAGE DIMENSIONS D SUFFIX PLASTIC SOIC PACKAGE CASE 751A–03 ISSUE 0.25 (0.010 SUFFIX PLASTIC TSSOP PACKAGE CASE 948G–01 ...

Page 7

... PLASTIC SOIC EIAJ PACKAGE VIEW 0.13 (0.005) M 0.10 (0.004) MC74VHC125 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 MC74VHC125/D ...

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