September 1993

19

Philips Semiconductors

Product specification

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

74HC/HCT7404

The shaded areas indicate when the input is permitted to change for predictable output performance.

handbook, full pagewidth

SI INPUT

MGA657

VM

(1)

Dn INPUT

t su

t h

VM

(1)

t su

t h

(1) HC

:

HCT :

handbook, full pagewidth

t THL

t TLH

t PLH

MGA664

VM

(1)

SO INPUT

Qn OUTPUT

VM

(1)

t PHL

(1) HC

:

HCT :

Fig.16 Waveform showing the MR input to SI input removal time.

handbook, halfpage

MGA665

t rem

SI INPUT

MR INPUT

VM

(1)

VM

(1)

(1) HC

:

HCT :