LH5496H Просмотр технического описания (PDF) - Sharp Electronics

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LH5496H

CMOS 512 × 9 FIFO

Sharp Electronics 

CMOS 512 × 9 FIFO

TIMING DIAGRAMS (cont’d)

tRT

RT

tRTR

R,W

NOTES:

1. tRTC = tRT + tRTR

2. EF, HF and FF may change state during retransmit, but flags will be valid at tRTC.

Figure 14. Retransmit Timing

LH5496/96H

5496-13

WRITE TO LAST

AVAILABLE

LOCATION

W

R

t XOL

t XOH

READ FROM

LAST VALID

LOCATION

t XOL

t XOH

XO

Figure 15. Expansion Out Timing

5496-15

t XI

t XIR

XI

t XIS

WRITE TO FIRST

AVAILABLE

W

LOCATION

R

t XIS

READ FROM FIRST

VALID

LOCATION

5496-16

Figure 16. Expansion In Timing

11

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