IDT7207(1996) 查看數據表（PDF） - Integrated Device Technology

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IDT7207
(Rev.:1996)

CMOS ASYNCHRONOUS FIFO 32,768 x 9

Integrated Device Technology 

IDT7207 CMOS ASYNCHRONOUS FIFO

32,768 x 9

Q 0 –Q 8

R, W, RS

Q 0 –Q 8

IDT7207

DEPTH

EXPANSION

BLOCK

MILITARY AND COMMERCIAL TEMPERATURE RANGES

Q 9 –Q 17

•••

Q 9 –Q 17

Q (N-8) -Q N

Q (N-8) -Q N

IDT7207

DEPTH

EXPANSION

BLOCK

IDT7207

DEPTH

EXPANSION

BLOCK

•••

D 0 -D 8

D 0 –D N

NOTES:

D 9 -D N

1. For depth expansion block see section on Depth Expansion and Figure 14.

2. For Flag detection see section on Width Expansion and Figure 13.

D 9 -D 17

•••

D 18 -D N

Figure 15. Compound FIFO Expansion

D (N-8) -D N

D (N-8) -D N

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WA

FF A

DA 0-8

IDT

7ID20T7

7201A

RB

EF B

HF B

Q B 0-8

SYSTEM A

Q A 0-8

RA

HF A

EF A

IDT

7207

D B 0-8

WB

FF B

Figure 16. Bidirectional FIFO Operation

SYSTEM B

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DATA IN

W

R

EF

DATA OUT

t RPE

t WLZ

t WEF

tA

Figure 17. Read Data Flow-Through Mode

5.05

t REF

DATA VALID

OUT

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11

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