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

White Electronic Designs

EDI88257C

September 1999

Rev. 2

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

WRITE CYCLE 2, E# CONTROLLED

DATA VALID

HIGH Z

DATA OUT

ADDRESS

DATA IN

W#

E#

ADDRESS

DATA I/O

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

DATA 2

ADDRESS 1

ADDRESS 2

DATA 1

ADDRESS

DATA OUT

READ CYCLE 2 (W# HIGH)

G#

E#

FIGURE 2 – TIMING WAVEFORM - READ CYCLE

FIGURE 4 – WRITE CYCLE - E# CONTROLLED

FIGURE 3 – WRITE CYCLE - W# CONTROLLED

ADDRESS

DATA IN

WRITE CYCLE 1, W# CONTROLLED

DATA VALID

HIGH Z

W#

E#

DATA OUT