WSF2816-39G2UX Просмотр технического описания (PDF) - White Electronic Designs Corporation

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WSF2816-39G2UX

128KX16 SRAM/512KX16 FLASH MODULE

White Electronic Designs Corporation 

White Electronic Designs

WSF2816-39XX

ADDRESS

DATA I/O

FIGURE 4 – SRAM TIMING WAVEFORM — READ CYCLE

tRC

tAA

tOH

PREVIOUS DATA VALID

DATA VALID

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

ADDRESS

SCS#

SOE#

DATA I/O

tRC

tAA

tACS

tCLZ

tOE

tOLZ

HIGH IMPEDANCE

tCHZ

tOHZ

DATA VALID

READ CYCLE 2 (SWE# = VIH)

FIGURE 5 – SRAM WRITE CYCLE — SWE# CONTROLLED

ADDRESS

SCS#

SWE#

DATA I/O

tWC

tAW

tCW

tAH

tAS

tWP

tWHZ

tOW

tDW

tDH

DATA VALID

WRITE CYCLE 1, SWE# CONTROLLED

FIGURE 6 – SRAM WRITE CYCLE — SCS# CONTROLLED

tWC

ADDRESS

tAW

tAS

tCW

tAH

SCS#

SWE#

DATA I/O

tWP

tDW

tDH

DATA VALID

WRITE CYCLE 2, SCS# CONTROLLED

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

May 2003

Rev. 6

5

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

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