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PDF L74VHC1GT32 Data sheet ( Hoja de datos )
| Número de pieza | L74VHC1GT32 | |
| Descripción | 2-Input OR Gate | |
| Fabricantes | LRC | |
| Logotipo |  |
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LESHAN RADIO COMPANY, LTD.
2-Input OR Gate
with LSTTL–Compatible Inputs
L74VHC1GT32
The L74VHC1GT32 is an advanced high speed CMOS 2–input OR gate fabricated with silicon gate CMOS technology. It achieves
high speed operation similar to equivalent Bipolar Shortly TTL while maintaining CMOS low power dissipation.
The internal circuit is composed of three stages, including an open drain output which provides the ability to set output switching level.
This allows the L74VHC1GT32 to be used to interface 5 V circuits to circuits of any voltage between V CC and 7 V using an external
resistor and power supply.
The device input is compatible with TTL–type input thresholds and the output has a full 5.0 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 L74VHC1GT32 input structure provides protection when voltages up to 7 V are applied, regardless of the supply voltage. This
allows the L74VHC1GT32 to be used to interface 5 V circuits to 3 V circuits. The output structures also provide protection when
V CC = 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: t PD = 3.7 ns (Typ) at V CC = 5 V
• Low Power Dissipation: I CC = 2 mA (Max) at T A = 25°C
• Power Down Protection Provided on Inputs
• Balanced Propagation Delays
• Pin and Function Compatible with Other Standard Logic Families
• Chip Complexity: FETs = 60; Equivalent Gates = 15
5
4
MARKING DIAGRAMS
1
2
3
SC–70/SC–88A/SOT–353
DF SUFFIX
5
4
V4d
Pin 1
d = Date Code
Figure 1. Pinout (Top View)
1
2
3
SOT–23/TSOP–5/SC–59
DT SUFFIX
V4d
Pin 1
d = Date Code
Figure 2. Logic Symbol
PIN ASSIGNMENT
1 IN B
2 IN A
3 GND
4 OUT Y
5 V CC
www.DataSheet4U.com
FUNCTION TABLE
Inputs
A
L
L
H
H
B
L
H
L
H
Output
Y
L
H
H
H
ORDERING INFORMATION
See detailed ordering and shipping information in the
package dimensions section on page 5 of this data sheet.
1/6
1 page  
LESHAN RADIO COMPANY, LTD.
A
G
54
S −B−
12
3
L74VHC1GT32
PACKAGE DIMENSIONS
SC70−5/SC−88A/SOT−353
DF SUFFIX
D 5 PL
0.2 (0.008) M B M
N
C
J
NOTES:
1. DIMENSIONING AND TOLERANCING
PER ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. 419A−01 OBSOLETE. NEW STANDARD
419A−02.
4. DIMENSIONS A AND B DO NOT INCLUDE
MOLD FLASH, PROTRUSIONS, OR GATE
BURRS.
INCHES
DIM MIN MAX
A 0.071 0.087
B 0.045 0.053
C 0.031 0.043
D 0.004 0.012
G 0.026 BSC
H −−− 0.004
J 0.004 0.010
K 0.004 0.012
N 0.008 REF
S 0.079 0.087
MILLIMETERS
MIN MAX
1.80 2.20
1.15 1.35
0.80 1.10
0.10 0.30
0.65 BSC
−−− 0.10
0.10 0.25
0.10 0.30
0.20 REF
2.00 2.20
HK
SOLDERING FOOTPRINT*
0.50
0.0197
0.40
0.0157
0.65
0.025
0.65
0.025
1.9
0.0748
ǒ ǓSCALE 20:1
mm
inches
5/6
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet L74VHC1GT32.PDF ] | |
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