AM29F040-120EC Advanced Micro Devices, AM29F040-120EC Datasheet - Page 27

• Manufacturer Part Number: AM29F040-120EC
• Description: 4 Megabit (524/288 x 8-Bit) CMOS 5.0 Volt-only/ Sector Erase Flash Memory
• Manufacturer: Advanced Micro Devices

SWITCHING WAVEFORMS
Notes:
1. PA is address of the memory location to be programmed.
2. PD is data to be programmed at byte address.
3. DQ7 is the output of the complement of the data written to the device.
4. D
5. Figure indicates last two bus cycles of four bus cycle sequence.
OUT
is the output of the data written to the device.
Addresses
5.0 V
Data
WE
OE
CE
Figure 14. Alternate CE Controlled Program Operation Timings
5555H
t
t
DS
t
WS
WC
A0H
t
t
CPH
GHEL
t
AS
t
CP
PA
t
DH
t
AH
Am29F040
PD
t WHWH1
Data Polling
DQ7
PA
D
OUT
17113E-19
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