X28C256D Xicor, X28C256D Datasheet - Page 15
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X28C256D
Manufacturer Part Number
X28C256D
Description
5 Volt/ Byte Alterable E2PROM
Manufacturer
Xicor
Datasheet
1.X28C256D.pdf
(24 pages)
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X28C256
DATA Polling Timing Diagram
Toggle Bit Timing Diagram
Note: (12) Polling operations are by definition read cycles and are therefore subject to read cycle timings.
ADDRESS
I/O 6
WE
OE
CE
I/O 7
WE
OE
CE
* Starting and ending state of I/O 6 will vary, depending upon actual t WC .
An
HIGH Z
t OEH
(12)
D IN =X
*
(12)
t OEH
t WC
An
D OUT =X
t WC
15
*
An
t OES
D OUT =X
t DW
t DW
t OES
3855 FHD F09
3855 FHD F10