LH540215 datasheet(22/48 Pages) SHARP

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TIMING DIAGRAMS

tRS

tRSR

tRSF

Q0 - Q17

FF, PAF, HF

EF, PAE

REN, WEN, LD

RS

OE = HIGH

1

OE = LOW

540215-5

NOTES:

1. After reset, the outputs will be LOW if OE = LOW, and in a high-impedance state if OE = HIGH.

2. The clocks (RCLK, WCLK) may be free-running during a reset operation.

tRSS

Figure 6. Reset Timing

LH540215/25

512 x 18/1024 x 18 Synchronous FIFO

22

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