74HC_HCT238

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Product data sheet

Rev. 4 — 27 January 2016

10 of 19

NXP Semiconductors

74HC238; 74HCT238

3-to-8 line decoder/demultiplexer

Measurement points are given in Table 8.

VOL and VOH are typical voltage output levels that occur with the output load.

Fig 7.

Input (E1, E2) to output (Yn) propagation delays and output transition times

Table 8.

Measurement points

Type

Input

Output

VM

VM

VX

VY

74HC238

0.5VCC

0.5VCC

0.1VCC

0.9VCC

74HCT238

1.3 V

1.3 V

0.1VCC

0.9VCC