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XM28C020 Datasheet(PDF) 4 Page - Xicor Inc.

Part # XM28C020
Description  5 Volt, Byte Alterable E2PROM
PDF  16 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  XICOR [Xicor Inc.]
Direct Link  http://www.xicor.com
Logo XICOR - Xicor Inc.

XM28C020 Datasheet(HTML) 4 Page - Xicor Inc.

  XM28C020 Datasheet HTML 1Page - Xicor Inc. XM28C020 Datasheet HTML 2Page - Xicor Inc. XM28C020 Datasheet HTML 3Page - Xicor Inc. XM28C020 Datasheet HTML 4Page - Xicor Inc. XM28C020 Datasheet HTML 5Page - Xicor Inc. XM28C020 Datasheet HTML 6Page - Xicor Inc. XM28C020 Datasheet HTML 7Page - Xicor Inc. XM28C020 Datasheet HTML 8Page - Xicor Inc. XM28C020 Datasheet HTML 9Page - Xicor Inc. Next Button
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XM28C020
4
DATA POLLING I/O
7
Figure 2.
DATA Polling Bus Sequence
Figure 3.
DATA Polling Software Flow
DATA Polling can effectively halve the time for writing to
the XM28C020. The timing diagram in Figure 2 illus-
trates the sequence of events on the bus. The software
flow diagram in Figure 3 illustrates one method of
implementing the routine.
CE
OE
WE
I/O7
READY
LAST
WRITE
HIGH Z
VOL
VIH
A0–A17
An
An
An
An
An
An
VOH
An
3872 FHD F10
3872 FHD F11
WRITE DATA
SAVE LAST DATA
AND ADDRESS
READ LAST
ADDRESS
IO7
COMPARE?
READY
NO
YES
WRITES
COMPLETE?
NO
YES



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