MS7200L Просмотр технического описания (PDF) - Mosel Vitelic Corporation

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MS7200L

256 x 9, 512 x 9, 1K x 9 CMOS FIFO

Mosel Vitelic Corporation  

MOSEL VITELIC

Timing Waveforms

EXPANSION IN

t XI

t XIR

XI

t XIS

WRITE TO

W

FIRST PHYSICAL

LOCATION

R

EXPANSION OUT

WRITE TO

W

LAST PHYSICAL

LOCATION

R

t XOL

XO

t XOH

MS7200L/7201AL/7202AL

t XIS

READ FROM

FIRST PHYSICAL

LOCATION

READ FROM

LAST PHYSICAL

LOCATION

t XOL

t XOH

Operating Modes:

(Note: The7201A Lis used as example - these

figures apply to all three devices, MS7200L/

7201AL/7202AL

Single Device Mode

When one MS7201AL is used standalone in

Single Device Mode, the Expansion In (XI) control

input pin must be grounded. See Figure 3.

HALF FULL FLAG (HF)

(W)

(D0-D8)

(FF)

(RS)

WRITE

DATA IN

FULL FLAG

RESET

MS

7201A

EXPANSION IN XI

READ

DATA OUT

EMPTY FLAG

RETRANSMIT

(R)

(Q0-Q8)

(EF)

(RT)

MS7200L/01AL/02AL Rev. 1.0 January 1995

Figure 3. Single Device Mode

9

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