WS512K32-XXX(2005) Просмотр технического описания (PDF) - White Electronic Designs => Micro Semi

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WS512K32-XXX
(Rev.:2005)

512Kx32 SRAM MODULE, SMD 5962-94611

White Electronic Designs => Micro Semi 

White Electronic Designs

WS512K32-XXX

ADDRESS

DATA I/O

FIGURE 3 – TIMING WAVEFORM - READ CYCLE

tRC

tAA

tOH

PREVIOUS DATA VALID

DATA VALID

READ CYCLE 1 (CS# = OE# = VIL, WE# = VIH)

ADDRESS

CS#

OE#

DATA I/O

tRC

tAA

tACS

tCLZ

tCHZ

tOE

tOLZ

HIGH IMPEDANCE

tOHZ

DATA VALID

READ CYCLE 2 (WE# = VIH)

March 2005

Rev. 4

FIGURE 4 – WRITE CYCLE - WE# CONTROLLED

ADDRESS

CS#

WE#

DATA I/O

tWC

tAW

tCW

tAH

tAS

tWP

tWHZ

tOW

tDW

tDH

DATA VALID

WRITE CYCLE 1, WE# CONTROLLED

FIGURE 5 – WRITE CYCLE - CS# CONTROLLED

ADDRESS

CS#

WE#

DATA I/O

tWC

tAW

tAS

tAH

tCW

tWP

tDW

tDH

DATA VALID

WRITE CYCLE 2, CS# CONTROLLED

4

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

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