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MC74VHC1GT02 Datasheet, PDF (1/4 Pages) ON Semiconductor – 2-Input NOR Gate/CMOS Logic Level Shifter | |||
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2-Input NOR Gate / CMOS Logic Level Shifter
with LSTTLâCompatible Inputs
MC74VHC1GT02
The MC74VHC1GT02 is a single gate 2âinput NOR 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 buffer output which provides high noise immunity and stable output.
The device input is compatible with TTLâtype 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 logicâlevel 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 highâvoltage power
supply.
The MC74VHC1GT02 input structure provides protection when voltages up to 7 V are applied, regardless of the supply voltage. This
allows the MC74VHC1GT02 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 â input/output voltage mismatch,
battery backup, hot insertion, etc.
⢠High Speed: tPD = 4.7 ns (Typ) at VCC = 5 V
⢠Low Power Dissipation: ICC = 2 mA (Max) at TA = 25°C ⢠Balanced Propagation Delays
⢠TTLâCompatible Inputs: VIL = 0.8 V; VIH = 2.0 V
⢠Pin and Function Compatible with Other Standard Logic Families
⢠CMOSâCompatible Outputs: VOH > 0.8 VCC ; VOL < 0. ⢠Chip Complexity: FETs = 65; Equivalent Gates = 14
1 VCC @Load
⢠Power Down Protection Provided on Inputs and Outputs
MARKING DIAGRAMS
5
4
1
2
3
SCâ88A / SOTâ353/SCâ70
DF SUFFIX
CASE 419A
5
4
VJd
Pin 1
d = Date Code
Y
Figure 1. Pinout (Top View)
1
2
3
TSOPâ5/SOTâ23/SCâ59
DT SUFFIX
CASE 483
VJd
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
FUNCTION TABLE
Inputs
A
B
L
L
L
H
H
L
H
H
Output
Y
H
L
L
L
ORDERING INFORMATION
See detailed ordering and shipping information in the
package dimensions section on page 4 of this data sheet.
VHT2â1/4
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