WSE128K16-35G2TC Просмотр технического описания (PDF) - White Electronic Designs Corporation

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WSE128K16-35G2TC

128Kx16 SRAM/EEPROM MODULE

White Electronic Designs Corporation 

White Electronic Designs

WSE128K16-XXX

PRELIMINARY

ADDRESS

SRAM

DATA I/O

FIGURE 4 – SRAM READ CYCLES

tRC

tAA

tOH

PREVIOUS DATA VALID

DATA VALID

READ CYCLE 1, (SCS# = OE# = VIL, SWE# = VIH)

ADDRESS

tRC

tAA

SCS#

SOE#

SRAM

DATA I/O

tACS

tCLZ

tOE

tOLZ

HIGH IMPEDANCE

tCHZ

tOHZ

DATA VALID

READ CYCEL 2, (SWE# = VIH)

FIGURE 5 – SRAM WRITE CYCLE SWE# CONTROLLED

ADDRESS

SCS#

SWE#

SRAM

DATA I/O

tWC

tAW

tCW

tAH

tAS

tWP

tWHZ

tOW

tDW

tDH

DATA VALID

WRITE CYCLE 1, SWE# CONTROLLED

FIGURE 6 – SRAM WRITE CYCEL SCS# CONTROLLED

ADDRESS

SCS#

SWE#

SRAM

DATA I/O

tWC

tAW

tAS

tCW

tAH

tWP

tDW

tDH

DATA VALID

WRITE CYCLE 2, SCS# CONTROLLED

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

March 2005

Rev. 3

5

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

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