WSE128K16-XXX

5

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

White Electronic Designs

PRELIMINARY

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

March 2005

Rev. 3

FIGURE 4 – SRAM READ CYCLES

ADDRESS

SRAM

DATA I/O

PREVIOUS DATA VALID

DATA VALID

ADDRESS

SCS#

SOE#

SRAM

DATA I/O

HIGH IMPEDANCE

DATA VALID

FIGURE 5 – SRAM WRITE CYCLE SWE# CONTROLLED

ADDRESS

SCS#

SWE#

SRAM

DATA I/O

DATA VALID

WRITE CYCLE 1, SWE# CONTROLLED

FIGURE 6 – SRAM WRITE CYCEL SCS# CONTROLLED

ADDRESS

SCS#

SWE#

SRAM

DATA I/O

DATA VALID

WRITE CYCLE 2, SCS# CONTROLLED