LH540204D-25 View Datasheet(PDF) - Sharp Electronics

Part Name

Description

MFG CO.

LH540204D-25

CMOS 4096 × 9 Asynchronous FIFO

Sharp Electronics 

CMOS 4096 × 9 Asynchronous FIFO

TIMING DIAGRAMS (cont’d)

LH540204

HALF-FULL

OR LESS

W

R

HF

MORE THAN

HALF-FULL

t WHF

HALF-FULL

OR LESS

tRHF

Figure 18. Half-Full Flag Timing

tRT

RT

tRTR

R,W

NOTES:

1. tRTC = tRT + tRTR.

2. FF, HF, and EF may change state during retransmit; but they will

become valid by tRTC.

Figure 19. Retransmit Timing

540204-12

540204-13

15

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