X28C64 Datasheet, PDF (15/25 Pages) Xicor Inc. – 5 Volt, Byte Alterable E2PROM

X28C64
DATA Polling Timing Diagram⁽¹⁰⁾
ADDRESS
AN
AN
AN
CE
WE
tOEH
OE
I/O7
DIN=X
DOUT=X
tWC
Toggle Bit Timing Diagram⁽¹⁰⁾
CE
tOES
tDW
DOUT=X
3853 FHD F09
WE
tOEH
OE
I/O6
HIGH Z
*
*
tWC
* Starting and ending state of I/O6 will vary, depending upon actual tWC.
Note: (10) Polling operations are by definition read cycles and are therefore subject to read cycle timings.
tOES
tDW
3853 FHD F10
15