74HCT253DB,118(2016) 查看數據表（PDF） - NXP Semiconductors.

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74HCT253DB,118
(Rev.:2016)

Dual 4-input multiplexer; 3-state

NXP Semiconductors. 

Nexperia

74HC253; 74HCT253

Dual 4-input multiplexer; 3-state

Q2(LQSXW

9,

*1' 

9&&

RXWSXW

/2:WR2))

2))WR/2:

92/

92+

RXWSXW

+,*+WR2))

2))WR+,*+

*1'

WU



90

W3/=

W3+=





RXWSXWV

HQDEOHG

WI

W3=/

90

W3=+

RXWSXWV

GLVDEOHG

90

RXWSXWV

HQDEOHG

DDO

Fig 7.

Measurement points are given in Table 8.

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

3-state output enable and disable times

Table 8. Measurement points

Type

74HC253

74HCT253

Input

VM

0.5VCC

1.3 V

Output

VM

0.5VCC

1.3 V

74HC_HCT253

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 6 — 1 February 2016

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