LH540203U-25 View Datasheet(PDF) - Sharp Electronics

Part Name

Description

MFG CO.

LH540203U-25

CMOS 2048 × 9 Asynchronous FIFO

Sharp Electronics 

LH540203

TIMING DIAGRAMS (cont’d)

CMOS 2048 × 9 Asynchronous FIFO

LAST WRITE

R

W

t WFF

FF

FIRST READ

tRFF

Figure 12. Full Flag From Last Write to First Read

540204-6

LAST READ

W

FIRST WRITE

R

t REF

t WEF

EF

NOTE: The Data Out pins (D0 - D8) are forced into a

high-impedance state whenever EF = LOW.

Figure 13. Empty Flag From Last Read to First Write

540203-7

12

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