74HC237 Philips, 74HC237 Datasheet - Page 8

• Manufacturer Part Number: 74HC237
• Description: 3-to-8 line decoder/demultiplexer with address latches
• Manufacturer: Philips

Philips Semiconductors
AC WAVEFORMS
December 1990
3-to-8 line decoder/demultiplexer with
address latches
(1) HC : V
Fig.6
The shaded areas indicate when the input is permitted
to change for predictable output performance.
(1) HC : V
Fig.8 Waveforms showing the data set-up, hold times for A
HCT: V
HCT: V
Waveforms showing the address input (A
and enable inputs (E
propagation delays and the output transition
times.
M
M
M
M
= 50%; V
= 50%; V
= 1.3 V; V
= 1.3 V; V
I
I
I
I
= GND to V
= GND to V
= GND to 3 V.
= GND to 3 V.
CC
CC
2
.
.
, LE) to output (Y
n
)
n
)
8
n
(1) HC : V
Fig.7
input to LE input and the latch enable pulse width.
HCT: V
Waveforms showing the enable input (E
output (Y
output transition times.
M
M
= 50%; V
= 1.3 V; V
n
I
) propagation delays and the
I
= GND to V
= GND to 3 V.
CC
.
74HC/HCT237
Product specification
1
) to