Pin descriptions, Function table diagram – Diodes 74AHCT138 User Manual
Page 2

74AHCT138
Document number: DS35483 Rev. 2 - 2
2 of 9
June 2013
© Diodes Incorporated
74AHCT138
Pin Descriptions
Pin Number
Pin Name
Description
1
A0
Address Input 0
2
A1
Address Input 1
3
A2
Address Input 2
4
E1
Enable Input 1 (active LOW)
5
E2
Enable Input 2 (active LOW)
6
E3
Enable Input 3 (active HIGH)
7
Y7
Output 7 (active LOW)
8 GND
Ground
9
Y6
Output 6 (active LOW)
10
Y5
Output 5 (active LOW)
11
Y4
Output 4 (active LOW)
12
Y3
Output 3 (active LOW)
13
Y2
Output 2 (active LOW)
14
Y1
Output 1 (active LOW)
15
Y0
Output o (active LOW)
16
V
CC
Supply Voltage
Function Table Diagram
Control Input
Output
E1 E2
E3 A2 A1 A0 Y7
Y6
Y5 Y4 Y3 Y2 Y1 Y0
H X X X X X H H H H H H H
H
X
H
X
X
X
L
L
L
H
L L L H H H H H H H
L
L L H H H H H H H L
H
L H L H H H H H L H
H
L H H H H H H L H H
H
H L L H H H L H H H
H
H L H H H L H H H H
H
H H L H L H H H H H
H
H H H L H H H H H H
H
- PDS3200 (5 pages)
- PDS340 (5 pages)
- PDS340Q (5 pages)
- PDS360 (5 pages)
- PDS360Q (5 pages)
- PDS4150 (4 pages)
- PDS3100Q (5 pages)
- PDS3100 (5 pages)
- PDS1240CTL (5 pages)
- PDS1045 (5 pages)
- PDS1040L (5 pages)
- PDS1040CTL (5 pages)
- PDS1040 (5 pages)
- PD3S230L (5 pages)
- PD3S230H (3 pages)
- PDS5100Q (5 pages)
- PDS835L (5 pages)
- PDS760 (5 pages)
- PDS560 (5 pages)
- PDS540 (5 pages)
- PDS5100H (5 pages)
- PDS5100 (5 pages)
- PDS4200H (6 pages)
- SBL3060CTP (4 pages)
- SBL30L30CT (3 pages)
- SBL3045CTP (4 pages)
- SBL3040CTP (4 pages)
- SBL2060CTP (4 pages)
- SBL2030CT - SBL2060CT (3 pages)
- SBL2045CTP (4 pages)
- SBL1060CTP (4 pages)
- SBL1040CTP (4 pages)
- SBG3030CT - SBG3045CT (5 pages)
- SB520 - SB560 (3 pages)
- SB370 - SB3100 (3 pages)
- SB320 - SB360 (3 pages)
- SBR10U100CT (5 pages)
- SBR10U150CT (5 pages)
- SBR10A45SP5 (5 pages)
- SBR1060CT (5 pages)
- SBR1045SP5 (5 pages)
- SBR1045SD1 (4 pages)
- SBR1045D1 (5 pages)
- SBR1045CTL (4 pages)
- SBR1040CT (5 pages)