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AM28F020 Datasheet(PDF) 30 Page - Advanced Micro Devices

Part # AM28F020
Description  2 Megabit (256 K x 8-Bit) CMOS 12.0 Volt, Bulk Erase Flash Memory
PDF  35 Pages
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Manufacturer  AMD [Advanced Micro Devices]
Direct Link  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM28F020 Datasheet(HTML) 30 Page - Advanced Micro Devices

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Am28F020
SWITCHING WAVEFORMS
Figure 9.
AC Waveforms for Programming
DATA IN
= C0h
VALID
DATA
OUT
Verify
Command
Programming
Verification
Standby,
Power-down
tWLAX (tAH)
tGHQZ (tDF)
tWHGL
tGHQZ (tDF)
tGLQX (tOLZ)
tGLQV (tOE)
tELQV (tCE)
14727F-17
tELQX (tLZ)
tAVAV (tRC)
tAXQX (tOH)
DATA IN
= 40h
DATA IN
Setup Program
Command
Program
Command
Latch Address
and Data
Power-up,
Standby
tAVWL (tAS)
tAVAV (tWC)
tELWL (tCS)
tGHWL (tOES)
tWHEH (tCH)
tWHWH1
tWHWL (tWPH)
tWHDX (tDH)
tWLWH (tWP)
tDVWH (tDS)
tVCS
tVPEL
Addresses
HIGH Z
CE
# (E#)
OE
# (G#)
WE
# (W#)
Data (DQ)
5.0 V
VCC
0 V
VPPH
VPP
VPPL
Programming



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