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AM29F040B Datasheet(PDF) 22 Page - Advanced Micro Devices

Part # AM29F040B
Description  4 Megabit (512 K x 8-Bit) CMOS 5.0 Volt-only, Uniform Sector Flash Memory
PDF  30 Pages
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Manufacturer  AMD [Advanced Micro Devices]
Direct Link  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM29F040B Datasheet(HTML) 22 Page - Advanced Micro Devices

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Am29F040B
P R E L I M I NARY
OE#
WE#
CE#
VCC
Data
Addresses
tDS
tAH
tDH
tWP
PD
tWHWH1
tWC
tAS
tWPH
tVCS
555h
PA
PA
Read Status Data (last two cycles)
A0h
tGHWL
tCS
Status
DOUT
Program Command Sequence (last two cycles)
tCH
PA
Note: PA = program address, PD = program data, DOUT is the true data at the program address.
21445B-14
Figure 9.
Program Operation Timings
OE#
CE#
Addresses
VCC
WE#
Data
2AAh
SA
tGHWL
tAH
tWP
tWC
tAS
tWPH
555h for chip erase
10 for Chip Erase
30h
tDS
tVCS
tCS
tDH
55h
tCH
In
Progress
Complete
tWHWH2
VA
VA
Erase Command Sequence (last two cycles)
Read Status Data
Note:
SA = Sector Address. VA = Valid Address for reading status data.
21445B-15
Figure 10.
Chip/Sector Erase Operation Timings



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