Datasheet

74HC_HCT238_3 © NXP B.V. 2007. All rights reserved.
Product data sheet Rev. 03 — 16 July 2007 3 of 18
NXP Semiconductors
74HC238; 74HCT238
3-to-8 line decoder/demultiplexer
5. Pinning information
5.1 Pinning
Fig 3. Logic diagram
001aag754
E1
E2
E3
A0
A1
A2
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
(1) The die substrate is attached to this pad using
conductive die attach material. It can not be used as
supply pin or input
Fig 4. Pin configuration DIP16, SO16, (T)SSOP16 Fig 5. Pin configuration DHVQFN16
74HC238
74HCT238
A0 V
CC
A1 Y0
A2 Y1
E1 Y2
E2 Y3
E3 Y4
Y7 Y5
GND Y6
001aag755
1
2
3
4
5
6
7
8
10
9
12
11
14
13
16
15
001aag756
74HC238
74HCT238
Y7 Y5
E3 Y4
E2 Y3
E1 Y2
A2 Y1
A1 Y0
GND
GND
(1)
Y6
A0 V
CC
Transparent top view
7 10
6 11
5 12
4 13
3 14
2 15
8 9
1
16
terminal 1
index area