MC74AC138 Datasheet, PDF (3/7 Pages) ON Semiconductor – 1−of−8 Decoder/Demultiplexer

A0
A1
A2
A3
A4
H
123
A0 A1 A2
E
MC74AC138 MC74ACT138
123
A0 A1 A2
E
123
A0 A1 A2
E
00 01 02 03 04 05 06 07
00 01 02 03 04 05 06 07
00 01 02 03 04 05 06 07
00
Figure a: Expansion to 1-of-32 Decoding
′04
123
A0 A1 A2
E
00 01 02 03 04 05 06 07
031
MAXIMUM RATINGS*
Symbol
Parameter
Value
Unit
VCC
Vin
Vout
Iin
Iout
ICC
Tstg
DC Supply Voltage (Referenced to GND)
DC Input Voltage (Referenced to GND)
DC Output Voltage (Referenced to GND)
DC Input Current, per Pin
DC Output Sink/Source Current, per Pin
DC VCC or GND Current per Output Pin
Storage Temperature
–0.5 to +7.0
V
–0.5 to VCC +0.5
V
–0.5 to VCC +0.5
V
±20
mA
±50
mA
±50
mA
–65 to +150
°C
* Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended
Operating Conditions.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min
Typ
VCC
Supply Voltage
′AC
′ACT
2.0
5.0
4.5
5.0
Vin, Vout
DC Input Voltage, Output Voltage (Ref. to GND)
0
Input Rise and Fall Time (Note 1)
tr, tf
′AC Devices except Schmitt Inputs
VCC @ 3.0 V
150
VCC @ 4.5 V
40
VCC @ 5.5 V
25
Input Rise and Fall Time (Note 2)
VCC @ 4.5 V
10
tr, tf
′ACT Devices except Schmitt Inputs
VCC @ 5.5 V
8.0
TJ
Junction Temperature (PDIP)
TA
Operating Ambient Temperature Range
–40
25
IOH
Output Current — High
IOL
Output Current — Low
1. Vin from 30% to 70% VCC; see individual Data Sheets for devices that differ from the typical input rise and fall times.
2. Vin from 0.8 V to 2.0 V; see individual Data Sheets for devices that differ from the typical input rise and fall times.
Max
6.0
5.5
VCC
140
85
–24
24
Unit
V
V
ns/V
ns/V
°C
°C
mA
mA
FACT DATA
5-3