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AM29F040-120PC Fiches technique(PDF) 17 Page - Advanced Micro Devices

No de pièce AM29F040-120PC
Description  4 Megabit (524,288 x 8-Bit) CMOS 5.0 Volt-only, Sector Erase Flash Memory
PDF  33 Pages
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Fabricant  AMD [Advanced Micro Devices]
Site Internet  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM29F040-120PC Fiches technique(HTML) 17 Page - Advanced Micro Devices

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Am29F040
17
Note:
DQ6 is rechecked even if DQ5 = “1” because DQ6 may stop toggling at the same time as DQ5 changing to “1”.
Figure 5.
Toggle Bit Algorithm
Figure 6.
Maximum Negative Overshoot Waveform
Figure 7.
Maximum Positive Overshoot Waveform
Start
Fail
Yes
DQ6 = Data
?
Yes
Pass
No
No
Yes
DQ6 = Data
?
DQ5 = 1
?
No
Read Byte
(DQ0–DQ7)
Addr = VA
Read Byte
(DQ0–DQ7)
Addr = VA
VA = Byte address for programming
= Any of the sector addresses within the
sector being erased during sector erase
operation
= XXXXH during chip erase
17113E-10
20 ns
20 ns
+0.8 V
–0.5 V
20 ns
–2.0 V
17113E-11
20 ns
VCC + 0.5 V
2.0 V
20 ns
20 ns
VCC + 2.0 V
17113E-12



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