74HCT238N 查看數據表（PDF） - NXP Semiconductors.

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74HCT238N

3-to-8 line decoder/demultiplexer

NXP Semiconductors. 

NXP Semiconductors

74HC238; 74HCT238

3-to-8 line decoder/demultiplexer

E1, E2 input

VM

Yn output

tPHL

VY

tTHL

VM

VX

tPLH

tTLH

001aag758

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

74HC238

74HCT238

VM

0.5VCC

1.3 V

Output

VM

0.5VCC

1.3 V

VX

0.1VCC

0.1VCC

VY

0.9VCC

0.9VCC

74HC_HCT238_3

Product data sheet

Rev. 03 — 16 July 2007

© NXP B.V. 2007. All rights reserved.

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