74HCT138DB,118 NXP Semiconductors, 74HCT138DB,118 Datasheet - Page 5

• Manufacturer Part Number: 74HCT138DB,118
• Description: IC DECODER/DEMUX 3-8 LINE 16SSOP
• Manufacturer: NXP Semiconductors
• Series: 74HCTr
• Type: Decoder/Demultiplexerr

Specifications of 74HCT138DB,118

• Circuit: 1 x 3:8
• Independent Circuits: 1
• Current - Output High, Low: 4mA, 4mA
• Voltage Supply Source: Single Supply
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 74HCT138DB-T; 74HCT138DB-T; 935174420118

Philips Semiconductors
7. Functional description
74HC_HCT138_3
Product data sheet
6.2 Pin description
Table 3:
Table 4:
[1]
Symbol
A0
A1
A2
E1
E2
E3
Y7
GND
Y6
Y5
Y4
Y3
Y2
Y1
Y0
V
Control
E1
H
X
X
L
CC
H = HIGH voltage level;
L = LOW voltage level;
X = don’t care.
E2
X
H
X
L
Pin description
Function table
E3
X
X
L
H
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Rev. 03 — 23 December 2005
Input
A2
X
L
L
L
L
H
H
H
H
[1]
Description
address input 0
address input 1
address input 2
enable input 1 (active LOW)
enable input 2 (active LOW)
enable input 3 (active HIGH)
output 7 (active LOW)
ground (0 V)
output 6 (active LOW)
output 5 (active LOW)
output 4 (active LOW)
output 3 (active LOW)
output 2 (active LOW)
output 1 (active LOW)
output 0 (active LOW)
positive supply voltage
A1
X
L
L
H
H
L
L
H
H
A0
X
L
H
L
H
L
H
L
H
3-to-8 line decoder/demultiplexer; inverting
Output
Y7
H
H
H
H
H
H
H
H
L
74HC138; 74HCT138
Y6
H
H
H
H
H
H
H
L
H
Y5
H
H
H
H
H
H
L
H
H
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Y4
H
H
H
H
H
L
H
H
H
Y3
H
H
H
H
L
H
H
H
H
Y2
H
H
H
L
H
H
H
H
H
Y1
H
H
L
H
H
H
H
H
H
5 of 23
Y0
H
L
H
H
H
H
H
H
H