LH540245U-20 View Datasheet(PDF) - Sharp Electronics

Part Name

Description

MFG CO.

LH540245U-20

2048 × 18 / 4096 × 18 Synchronous FIFOs

Sharp Electronics 

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2048 x 18/4096 x 18 Synchronous FIFOs

TIMING DIAGRAMS (cont’d)

tCLKH tCLKL

LH540235/45

WCLK

tENS

tENH

WEN

PAE

RCLK

tPAE

q + 1 words

in FIFO

tPAE

q words in FIFO

tENS

REN

NOTE:

1. PAE offset = q. Also, number of data words written into FIFO already = q.

Figure 14. Programmable-Almost-Empty Flag Timing,

IDT-Compatible Operating Mode

540235-13

27

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