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부품번호 MC74VHCT50A 기능
기능 Noninverting Buffer / CMOS Logic Level Shifter with LSTTL-Compatible Inputs
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MC74VHCT50A 데이터시트, 핀배열, 회로
MC74VHCT50A
Noninverting Buffer /
CMOS Logic Level Shifter
with LSTTL–Compatible Inputs
The MC74VHCT50A is a hex noninverting 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 internal circuit is composed of three stages, including a buffered
output which provides high noise immunity and stable output.
The device input is compatible with TTL–type input thresholds and
the output has a full 5 V CMOS level output swing. The input
protection circuitry on this device allows overvoltage tolerance on the
input, allowing the device to be used as a logic–level translator from
3.0 V CMOS logic to 5.0 V CMOS Logic or from 1.8 V CMOS logic
to 3.0 V CMOS Logic while operating at the high–voltage power
supply.
The MC74VHCT50A input structure provides protection when
voltages up to 7 V are applied, regardless of the supply voltage. This
allows the MC74VHCT50A to be used to interface 5 V circuits to 3 V
circuits. 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.
High Speed: tPD = 3.5 ns (Typ) at VCC = 5 V
Low Power Dissipation: ICC = 2 µA (Max) at TA = 25°C
TTL–Compatible Inputs: VIL = 0.8 V; VIH = 2.0 V
CMOS–Compatible Outputs: VOH > 0.8 VCC; VOL < 0.1 VCC @Load
Power Down Protection Provided on Inputs and Outputs
LOGIC DIAGRAM
A1 1
2 Y1
A2 3
4 Y2
5
A3
A4 9
6
Y3
Y=A
8 Y4
11
A5
10
Y5
A6 13
12 Y6
LOGIC SYMBOL
A1 1 Y1
A2 1 Y2
A3 1 Y3
A4 1 Y4
A5 1 Y5
A6 1 Y6
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14–LEAD SOIC
D SUFFIX
CASE 751A
14–LEAD TSSOP
DT SUFFIX
CASE 948G
14–LEAD SOIC EIAJ
M SUFFIX
CASE 965
PIN CONNECTION AND
MARKING DIAGRAM (Top View)
VCC A6 Y6 A5 Y5 A4 Y4
14 13 12 11 10 9 8
1234567
A1 Y1 A2 Y2 A3 Y3 GND
For detailed package marking information, see the Marking
Diagram section on page 4 of this data sheet.
ORDERING INFORMATION
Device
Package
Shipping
MC74VHCT50AD
SOIC
55 Units/Rail
MC74VHCT50ADT TSSOP
96 Units/Rail
MC74VHCT50AM SOIC EIAJ 50 Units/Rail
FUNCTION TABLE
A Input
L
H
Y Output
L
H
© Semiconductor Components Industries, LLC, 2001
July, 2001– Rev. 3
1
Publication Order Number:
MC74VHCT50A/D




MC74VHCT50A pdf, 반도체, 판매, 대치품
MC74VHCT50A
A 50%
Y
tPLH
50% VCC
3.0V
GND
tPHL
VOH
VOL
Figure 1. Switching Waveforms
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
CL*
*Includes all probe and jig capacitance
Figure 2. Test Circuit
MARKING DIAGRAMS
(Top View)
14 13 12 11 10 9 8
VHCT50A
AWLYWW*
1234567
14–LEAD SOIC
D SUFFIX
CASE 751A
14 13 12 11 10
VHCT50A
ALYW*
14 13 12 11 10 9 8
VHCT
50A
ALYW*
1234567
14–LEAD TSSOP
DT SUFFIX
CASE 948G
98
1234567
14–LEAD SOIC EIAJ
M SUFFIX
CASE 965
*See Applications Note #AND8004/D for date code and traceability information.
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MC74VHCT50A 전자부품, 판매, 대치품
14
1
e
Z
D
b
0.13 (0.005) M
MC74VHCT50A
PACKAGE DIMENSIONS
M SUFFIX
PLASTIC SOIC EIAJ PACKAGE
CASE 965–01
ISSUE O
8
E HE
7
LE
M_
Q1
L
DETAIL P
VIEW P
A
c
A1
0.10 (0.004)
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS D AND E DO NOT INCLUDE MOLD
FLASH OR PROTRUSIONS AND ARE MEASURED
AT THE PARTING LINE. MOLD FLASH OR
PROTRUSIONS SHALL NOT EXCEED 0.15 (0.006)
PER SIDE.
4. TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
5. THE LEAD WIDTH DIMENSION (b) DOES NOT
INCLUDE DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.08 (0.003)
TOTAL IN EXCESS OF THE LEAD WIDTH
DIMENSION AT MAXIMUM MATERIAL CONDITION.
DAMBAR CANNOT BE LOCATED ON THE LOWER
RADIUS OR THE FOOT. MINIMUM SPACE
BETWEEN PROTRUSIONS AND ADJACENT LEAD
TO BE 0.46 ( 0.018).
MILLIMETERS
INCHES
DIM MIN MAX MIN MAX
A --- 2.05 --- 0.081
A1 0.05 0.20 0.002 0.008
b 0.35 0.50 0.014 0.020
c 0.18 0.27 0.007 0.011
D 9.90 10.50 0.390 0.413
E 5.10 5.45 0.201 0.215
e 1.27 BSC
0.050 BSC
HE 7.40 8.20 0.291 0.323
0.50 0.50 0.85 0.020 0.033
LE 1.10 1.50 0.043 0.059
M 0 _ 10 _ 0 _ 10 _
Q1 0.70 0.90 0.028 0.035
Z --- 1.42 --- 0.056
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MC74VHCT50A

Noninverting Buffer / CMOS Logic Level Shifter with LSTTL-Compatible Inputs

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