74HC404N Просмотр технического описания (PDF) - Philips Electronics

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74HC404N

5-Bit x 64-word FIFO register; 3-state

Philips Electronics 

Philips Semiconductors

5-Bit x 64-word FIFO register; 3-state

Product specification

74HC/HCT7404

handbook, full pagewidth

tr

OE INPUT

10 %

90 %

VM (1)

t PLZ

Qn OUTPUT

LOW - to - OFF

OFF - to - LOW

Q n OUTPUT

HIGH - to - OFF

OFF - to - HIGH

t PHZ

10 %

90 %

MGA656

outputs

enabled

tf

t PZL

VM (1)

t PZH

outputs

disabled

VM (1)

outputs

enabled

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

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

Fig.17 Waveforms showing the 3-state enable and disable times for input OE.

September 1993

20

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