L74VHC1GT05 데이터 시트보기 (PDF) - Leshan Radio Company,Ltd
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L74VHC1GT05 Datasheet PDF : 6 Pages
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LESHAN RADIO COMPANY, LTD.
Inverter with Open Drain Output
with LSTTL–Compatible Inputs
L74VHC1GT05
The L74VHC1GT05 is an advanced high speed CMOS inverter with open drain output 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 an open drain output which provides the ability to set output switching level.
This allows the L74VHC1GT05 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 L74VHC1GT05 input structure provides protection when voltages up to 7 V are applied, regardless of the supply voltage. This
allows the L74VHC1GT05 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 = 3.8 ns (Typ) at V CC = 5 V
• Low Internal Power Dissipation: I CC = 2 mA (Max) at T A = 25°C
• Power Down Protection Provided on Inputs
• Pin and Function Compatible with Other Standard Logic Families
• Chip Complexity: FET = 105; Equivalent Gate = 26
5
4
1
2
3
SC–88A / SOT–353/SC–70
DF SUFFIX
5
4
1
2
3
TSOP–5/SOT–23/SC–59
DT SUFFIX
PIN ASSIGNMENT
1
NC
2
IN A
3
GND
4
OUT Y
5
V CC
MARKING DIAGRAMS
VFd
Pin 1
d = Date Code
Figure 1. Pinout (Top View)
VFd
Figure 2. Logic Symbol
Pin 1
d = Date Code
FUNCTION TABLE
Inputs
A
L
H
Output
Y
Z
L
ORDERING INFORMATION
See detailed ordering and shipping information in the
package dimensions section on page 5 of this data sheet.
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