LH540204 查看數據表（PDF） - Sharp Electronics

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LH540204

CMOS 4096 × 9 Asynchronous FIFO

Sharp Electronics 

LH540204

TIMING DIAGRAMS (cont’d)

CMOS 4096 × 9 Asynchronous FIFO

W

tWEF

EF

tRPE

R

NOTES:

1. tRPE = tRPW

2. tRPE: Effective Read Pulse Width after Empty Flag HIGH.

3. The Data Out pins (D0 - D8) are forced into a

high-impedance state whenever EF = LOW.

Figure 16. Empty Flag Timing

540204-10

R

tRFF

FF

W

NOTES:

1. tWPF = tWPW.

2. tWPF: Effective Write Pulse Width after Full Flag HIGH.

Figure 17. Full Flag Timing

tWPF

540204-11

14

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