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
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Rev. 6 — 1 February 2016
.
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