EDI88257LP データシートの表示（PDF） - White Electronic Designs => Micro Semi

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EDI88257LP

256Kx8 Monolithic SRAM

White Electronic Designs => Micro Semi 

EDI88257C

FIG. 2

TIMING WAVEFORM - READ CYCLE

tAVAV

A

ADDRESS 1

ADDRESS 2

tAVQV

tAVQX

Q

DATA 1

DATA 2

READ CYCLE 1 (W HIGH; G, E LOW)

tAVAV

A

tAVQV

E

tELQV

tELQX

G

tGLQV

tGLQX

Q

tEHQZ

tGHQZ

READ CYCLE 2 (W HIGH)

FIG. 3

WRITE CYCLE - W CONTROLLED

A

E

tAVWL

W

D

Q

tAVAV

tAVWH

tELWH

tWHAX

tWLWH

tWLQZ

tDVWH

tWHDX

DATA VALID

tWHQX

HIGH Z

WRITE CYCLE 1, W CONTROLLED

FIG. 4

WRITE CYCLE - E CONTROLLED

A

E

W

D

Q

tAVEL

tAVAV

WS32K32-XHX

tAVEH

tELEH

tEHAX

tWLEH

tDVEH

tEHDX

DATA VALID

HIGH Z

WRITE CYCLE 2, E CONTROLLED

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

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