IDT72041 データシートの表示（PDF） - Integrated Device Technology

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IDT72041

CMOS ASYNCHRONOUS FIFO WITH RETRANSMIT 1K x 9, 2K x 9, 4K x 9

Integrated Device Technology 

IDT72021, IDT72031, IDT72041

CMOS ASYNCHRONOUS FIFO WITH RETRANSMIT 1K x 9, 2K x 9, 4K x 9

LAST WRITE

IGNORED

WRITE

FIRST READ

R

MILITARY AND COMMERCIAL TEMPERATURE RANGES

ADDITIONAL

READS

FIRST

WRITE

W

t WFF

FF

tRFF

Figure 4. Full Flag From Last Write to First Read

2677 drw 07

LAST READ

IGNORED

READ

FIRST WRITE

ADDITIONAL

WRITES

FIRST

READ

W

R

EF

(1)

DATA OUT

t REF

tA

VALID

tWEF

NOTE:

1. Assume OE is asserted LOW.

Figure 5. Empty Flag From Last Read to First Write

VALID

2677 drw 08

RT

W,R

AEF, HF, EF, FF

tRTC

tRT

Figure 6. Retransmit

t RTR

FLAG VALID

2677 drw 09

5.09

8

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