74HC_HCT238

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© NXP Semiconductors N.V. 2016. All rights reserved.

Product data sheet

Rev. 4 — 27 January 2016

4 of 19

NXP Semiconductors

74HC238; 74HCT238

3-to-8 line decoder/demultiplexer

5.

Pinning information

5.1 Pinning

5.2 Pin description

(1) This is not a supply pin. The substrate is attached to this

pad using conductive die attach material. There is no

electrical or mechanical requirement to solder this pad.

However, if it is soldered, the solder land should remain

floating or be connected to GND.

Fig 4.

Pin configuration SO16 and (T)SSOP16

Fig 5.

Pin configuration DHVQFN16

Table 2.

Pin description

Symbol

Pin

Description

A0, A1, A2

1, 2, 3

address input

E1

4

enable input (active LOW)

E2

5

enable input (active LOW)

E3

6

enable input (active HIGH)

Y0, Y1, Y2, Y3, Y4, Y5, Y6, Y7

15, 14, 13, 12, 11, 10, 9, 7

output (active HIGH)

GND

8

ground (0 V)

VCC

16

supply voltage