LH540202U-20 Просмотр технического описания (PDF) - Sharp Electronics

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LH540202U-20

CMOS 1024 × 9 Asynchronous FIFO

Sharp Electronics 

CMOS 1024 × 9 Asynchronous FIFO

TIMING DIAGRAMS

tRSC

tRS

RS

R,W

t RRSS

t WRSS

tEFL

tRSR

EF

tFFH , tHFH

FF,HF

NOTES:

1. tRSC = tRS + tRSR.

2. W and R ≥ VIH around the rising edge of RS.

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

high-impedance state whenever EF = LOW.

Figure 10. Reset Timing

R

Q0 - Q8

W

D0 - D8

tRC

tA

tRR

t RPW

tA

t RLZ

t DV

VALID DATA OUT

t WPW

t WC

t WR

t RHZ

VALID DATA OUT

t DS

t DH

VALID DATA IN

VALID DATA IN

Figure 11. Asynchronous Write and Read Operation

LH540202

540202-14

540202-5

11

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