EDI9F37512C 데이터 시트보기 (PDF) - White Electronic Designs Corporation

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EDI9F37512C

512Kx37 Static RAM CMOS, High Speed Module

White Electronic Designs Corporation 

EDI9F37512C

AC CHARACTERISTICS READ CYCLE

Parameter

Read Cycle Time

Address Access Time

Chip Enable Access

Chip Enable to Output in Low Z (1)

Chip Disable to Output in High Z (1)

Output Hold from Address Change

Output Enable to Output Valid

Output Enable to Output in Low Z (1)

Output Disable to Output in High Z(1)

Notes: 1. Parameter guaranteed, but not tested.

Symbo

JEDEC

Alt.

TAVAV TRC

TAVQV TAA

TELQV TACS

TELQX TCLZ

TEHQZ TCHZ

TAVQX TOH

TGLQV TOE

TGLQX TOLZ

TGHQZ TOHZ

45ns

55ns

Min Max Min Max Units

45

55

ns

45

55

ns

45

55

ns

3

3

ns

18

25

ns

3

3

ns

15

25

ns

0

0

ns

15

15

ns

FIG. 2

READ CYCLE 1 - W HIGH, G, E LOW

TAVAV

A

ADDRESS 1

Q

9F37512C Rd Cyc1

TAVQV

ADDRESS 2

TAVQX

DATA 1

DATA 2

FIG. 3

READ CYCLE 2 - W HIGH

A

TAVQV

E

TELQV

TELQX

G

Q

9F37512C Rd Cyc2

TGLQV

TGLQX

TAVAV

TEHQZ

TGHQZ

White Electronic Designs Corporation • (508) 366-5151 • www.whiteedc.com

2

May 2001 Rev. 4

ECO #14325

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