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MC74VHCT126A 데이터시트 PDF




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기능 Quad Bus Buffer
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MC74VHCT126A 데이터시트, 핀배열, 회로
MC74VHCT126A
Quad Bus Buffer
with 3−State Control Inputs
The MC74VHCT126A is a high speed CMOS quad bus buffer
fabricated with silicon gate CMOS technology. It achieves
noninverting high speed operation similar to equivalent Bipolar
Schottky TTL while maintaining CMOS low power dissipation.
The MC74VHCT126A requires the 3−state control input (OE) to be
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 3.3 V to 5.0 V, because it
has full 5.0 V CMOS level output swings.
The VHCT126A 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
TTL−Compatible 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: HBM > 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; AEC−Q100
Qualified and PPAP Capable
These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
www.onsemi.com
MARKING
DIAGRAMS
14
SOIC−14
VHCT126AG
1
D SUFFIX
CASE 751A
AWLYWW
1
14
TSSOP−14
VHCT
DT SUFFIX
126A
1
CASE 948G
ALYWG
G
1
A = Assembly Location
WL, L = Wafer Lot
Y = Year
WW, W = Work Week
G or G = Pb−Free Package
(Note: Microdot may be in either location)
See Applications Note #AND8004/D for
date code and traceability information.
FUNCTION TABLE
VHCT126A
Inputs
A OE
Outputs
Y
HH
LH
XL
H
L
Z
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 4 of this data sheet.
© Semiconductor Components Industries, LLC, 2016
October, 2016 − Rev. 11
1
Publication Order Number:
MC74VHCT126A/D




MC74VHCT126A pdf, 반도체, 판매, 대치품
MC74VHCT126A
NOISE CHARACTERISTICS (Input tr = tf = 3.0ns, CL = 50pF, VCC = 5.0V)
Characteristic
Quiet Output Maximum Dynamic VOL
Quiet Output Minimum Dynamic VOL
Minimum High Level Dynamic Input Voltage
Maximum Low Level Dynamic Input Voltage
Symbol
VOLP
VOLV
VIHD
VILD
Typ
0.3
− 0.3
TA = 25°C
Max
0.8
− 0.8
3.5
1.5
Unit
V
V
V
V
A
tPLH
Y
1.5V
1.5V
Figure 3.
SWITCHING WAVEFORMS
3.0V
GND
tPHL
VOH
VOL
OE 1.5V
tPZL tPLZ
Y 1.5V
tPZH tPHZ
Y 1.5V
Figure 4.
3.0V
GND
HIGH
IMPEDANCE
VOL + 0.3V
VOH - 0.3V
HIGH
IMPEDANCE
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
CL*
DEVICE
UNDER
TEST
TEST POINT
OUTPUT 1 kW
CL *
CONNECT TO VCC WHEN
TESTING tPLZ AND tPZL.
CONNECT TO GND WHEN
TESTING tPHZ AND tPZH.
*Includes all probe and jig capacitance
Figure 5. Test Circuit
*Includes all probe and jig capacitance
Figure 6. Test Circuit
ORDERING INFORMATION
Device
Package
Shipping
MC74VHCT126ADR2G
SOIC−14
(Pb−Free)
2500 / Tape & Reel
M74VHCT126ADTR2G
TSSOP−14
(Pb−Free)
2500 / Tape & Reel
NLVVHCT126ADTR2G*
TSSOP−14
(Pb−Free)
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; AEC−Q100 Qualified and PPAP
Capable.
www.onsemi.com
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MC74VHCT126A

Quad Bus Buffer

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