English
Language : 

74HC237 Datasheet, PDF (8/17 Pages) NXP Semiconductors – 3-to-8 line decoder/demultiplexer with address latches
NXP Semiconductors
74HC237
3-to-8 line decoder, demultiplexer with address latches
E1 input
VM
Yn output
tPHL
VM
tPLH
tTHL
tTLH
001aab874
Fig 8.
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
Propagation enable inputs (E1) to output (Yn) and output transition time
An input
VM
LE input
tsu
transparant
th
VM
latched
tsu
th
transparant latched
tW
001aab875
Fig 9.
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
The data input (An) to latch enable input (LE) set-up times, latch enable input (LE) to data input (An) hold
times and latch enable input (LE) pulse width
Table 8. Measurement points
Type
74HC237
Input
VM
0.5VCC
Output
VM
0.5VCC
74HC237
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 10 January 2011
© NXP B.V. 2011. All rights reserved.
8 of 17