IDT7201LA25J(1997) 查看數據表（PDF） - Integrated Device Technology

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IDT7201LA25J
(Rev.:1997)

CMOS ASYNCHRONOUS FIFO 256 x 9, 512 x 9, 1,024 x 9

Integrated Device Technology 

IDT7200/7201A/7202A CMOS ASYNCHRONOUS FIFO

256 x 9, 512 x 9 and 1,024 x 9

MILITARY, INDUSTRIAL AND COMMERCIAL TEMPERATURE RANGES

R, W, RS

D 0 –D N

Q 0 –Q 8

Q 0 –Q 8

IDT7200/

IDT7201A/

IDT7202A

DEPTH

EXPANSION

BLOCK

D 0 -D 8

D9 -D N

Q 9 –Q 17

•••

Q 9 –Q 17

IDT7200/

IDT7201A/

IDT7202A

DEPTH

•••

EXPANSION

BLOCK

D 9 -D 17

•••

D 18 -D N

NOTES:

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

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

Q (N-8) -Q N

Q (N-8) -Q N

IDT7200/

IDT7201A/

IDT7202A

DEPTH

EXPANSION

BLOCK

D (N-8)-D N

D (N-8)-DN

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Figure 15. Compound FIFO Expansion

SYSTEM A

WA

FFA

DA 0-8

IDT

7ID20T0/

77220011AA/

7202A

RB

EFB

HFB

QB 0-8

QA 0-8

RA

HFA

EF A

IDT

7200/

7201A/

7202A

DB 0-8

WB

FFB

Figure 16. Bidirectional FIFO Mode

SYSTEM B

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DATA IN

W

R

EF

DATA OUT

t RPE

t WLZ

t WEF t A

t REF

DATA OUT VALID

Figure 17. Read Data Flow-Through Mode

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12

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