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MC74VHCT125A Datasheet

Quad Bus Buffer

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MC74VHCT125A
Quad Bus Buffer
with 3State Control Inputs
The MC74VHCT125A is a high speed CMOS quad 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.
The MC74VHCT125A requires the 3state control input (OE) to be
set High to place the output into the high impedance state.
The VHCT inputs are compatible with TTL levels. This device can
be used as a level converter for interfacing 3.3 V to 5.0 V, because it
has full 5.0 V CMOS level output swings.
The VHCT125A input structures provide protection when voltages
between 0 V and 5.5 V are applied, regardless of the supply voltage.
The output structures also provide protection when VCC = 0 V. 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 7.0 V, allowing the interface of 5.0 V
systems to 3.0 V systems.
Features
High Speed: tPD = 3.8 ns (Typ) at VCC = 5.0 V
Low Power Dissipation: ICC = 4.0 mA (Max) at TA = 25°C
TTLCompatible Inputs: VIL = 0.8 V; VIH = 2.0 V
Power Down Protection Provided on Inputs
Balanced Propagation Delays
Designed for 2.0 V to 5.5 V Operating Range
Low Noise: VOLP = 0.8 V (Max)
Pin and Function Compatible with Other Standard Logic Families
Latchup Performance Exceeds 300 mA
ESD Performance:
Human Body Model > 2000 V;
Machine Model > 200 V
Chip Complexity: 72 FETs or 18 Equivalent Gates
NLV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AECQ100
Qualified and PPAP Capable
These Devices are PbFree and are RoHS Compliant
www.onsemi.com
MARKING
DIAGRAMS
14
1
SOIC14
D SUFFIX
CASE 751A
VHCT125AG
AWLYWW
1
14
TSSOP14
DT SUFFIX
1 CASE 948G
VHCT
125A
ALYWG
G
1
A
L, WL
Y, YY
WW, W
G or G
= Assembly Location
= Wafer Lot
= Year
= Work Week
= PbFree Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
© Semiconductor Components Industries, LLC, 2015
June, 2015 Rev. 11
1
Publication Order Number:
MC74VHCT125A/D


  ON Semiconductor Electronic Components Datasheet  

MC74VHCT125A Datasheet

Quad Bus Buffer

No Preview Available !

PIN CONNECTION
(Top View)
OE1 1
A1 2
Y1 3
OE2 4
A2 5
Y2 6
GND 7
14 VCC
13 OE4
12 A4
11 Y4
10 OE3
9 A3
8 Y3
FUNCTION TABLE
VHCT125A
Inputs Output
A OE Y
HL
LL
XH
H
L
Z
MC74VHCT125A
LOGIC DIAGRAM
ActiveLow Output Enables
A1 2
OE1 1
5
A2
OE2 4
9
A3
OE3 10
12
A4
OE4 13
3
Y1
6
Y2
8 Y3
11
Y4
ORDERING INFORMATION
Device
Package
Shipping
MC74VHCT125ADR2G
SOIC14
(PbFree)
2500 / Tape & Reel
MC74VHCT125ADTRG
TSSOP14
(PbFree)
2500 / Tape & Reel
NLVVHCT125ADTRG*
TSSOP14
(PbFree)
2500 / Tape & Reel
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
*NLV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AECQ100 Qualified and PPAP
Capable
www.onsemi.com
2


Part Number MC74VHCT125A
Description Quad Bus Buffer
Maker ON Semiconductor
Total Page 7 Pages
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