EDI88512C 데이터 시트보기 (PDF) - White Electronic Designs Corporation

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EDI88512C

512K x 8 Monolithic SRAM, CMOS

White Electronic Designs Corporation 

White Electronic Designs

EDI88512C

ADDRESS

DATA I/O

FIGURE 2 – TIMING WAVEFORM - READ CYCLE

tAVAV

ADDRESS 1

ADDRESS 2

tAVQV

tAVQX

DATA 1

DATA 2

READ CYCLE 1 (WE# HIGH; OE#, CS# LOW)

ADDRESS

CS#

OE#

DATA OUT

tAVAV

tAVQV

tELQV

tELQX

tGLQV

tGLQX

tEHQZ

tGHQZ

READ CYCLE 2 (WE# HIGH)

FIGURE 3 – WRITE CYCLE - WE# CONTROLLED

ADDRESS

CS#

WE#

DATA IN

DATA OUT

tAVWL

tAVAV

tAVWH

tELWH

tWHAX

tWLWH

tWLQZ

tDVWH

tWHDX

DATA VALID

tWHQX

HIGH Z

WRITE CYCLE 1, WE# CONTROLLED

FIGURE 4 – WRITE CYCLE - CS# CONTROLLED

ADDRESS

CS#

WE#

DATA IN

DATA OUT

tAVAV

tAVEL

tAVEH

tELEH

tWLEH

tEHAX

tDVEH

tEHDX

DATA VALID

HIGH Z

WRITE CYCLE 2, CS# CONTROLLED

White Electronic Designs Corp. reserves the right to change products or specifications without notice.

February 2001

Rev. 11

4

White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

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