LH540203U-35 データシートの表示（PDF） - Sharp Electronics

部品番号

コンポーネント説明

メーカー

LH540203U-35

CMOS 2048 × 9 Asynchronous FIFO

Sharp Electronics 

LH540203

TIMING DIAGRAMS (cont’d)

CMOS 2048 × 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

540203-10

R

tRFF

FF

W

NOTES:

1. tWPF = tWPW.

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

Figure 17. Full Flag Timing

tWPF

540203-11

HALF-FULL

OR LESS

W

R

HF

MORE THAN

HALF-FULL

HALF-FULL

OR LESS

t WHF

tRHF

Figure 18. Half-Full Flag Timing

540203-12

14

Share Link: