74HC237 datasheet(8/9 Pages) PHILIPS

No de pièce	74HC237

Description	3-to-8 line decoder/demultiplexer with address latches

PDF	9 Pages

Scroll/Zoom	100%

Fabricant	PHILIPS [NXP Semiconductors]

Site Internet	http://www.nxp.com

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8 / 9 page

December 1990

Philips Semiconductors

Product speciﬁcation

3-to-8 line decoder/demultiplexer with

address latches

74HC/HCT237

AC WAVEFORMS

Fig.6

Waveforms showing the address input (An)

and enable inputs (E2, LE) to output (Yn)

propagation delays and the output transition

times.

(1) HC : VM = 50%; VI = GND to VCC .

HCT: VM = 1.3 V; VI = GND to 3 V.

Fig.7

Waveforms showing the enable input (E1) to

output (Yn) propagation delays and the

output transition times.

(1) HC : VM = 50%; VI = GND to VCC .

HCT: VM = 1.3 V; VI = GND to 3 V.

Fig.8 Waveforms showing the data set-up, hold times for An input to LE input and the latch enable pulse width.

The shaded areas indicate when the input is permitted

to change for predictable output performance.

(1) HC : VM = 50%; VI = GND to VCC .

HCT: VM = 1.3 V; VI = GND to 3 V.

74HC237 Fiches technique(PDF) 8 Page - NXP Semiconductors