Datasheet

74HC_HCT157 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet Rev. 7 — 21 January 2015 9 of 19
NXP Semiconductors
74HC157; 74HCT157
Quad 2-input multiplexer
Measurement points are given in Table 8.
V
OL
and V
OH
are typical voltage output levels that occur with the output load.
Fig 8. Propagation delay input (E) to output (nY)
PQD
W
3+/
W
3/+
9
0
9
0
(LQSXW
Q<RXWSXW
*1'
9
&&
9
2+
9
2/
Table 8. Measurement points
Type Input Output
V
M
V
M
74HC157 0.5V
CC
0.5V
CC
74HCT157 1.3 V 1.3 V