AM29F004B AMD [Advanced Micro Devices], AM29F004B Datasheet - Page 28

• Manufacturer Part Number: AM29F004B
• Description: 4 Megabit (512 K x 8-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory
• Manufacturer: AMD [Advanced Micro Devices]

AC CHARACTERISTICS
26
Notes:
1. PA = program address, PD = program data, D
Notes:
1. SA = sector address (for Sector Erase), VA = Valid Address for
at the program address.
reading status data (”see
Addresses
Addresses
WE#
Data
WE#
OE#
Data
CE#
OE#
V
CE#
V
CC
CC
t
VCS
t
VCS
Write Operation Status on page
t
Erase Command Sequence (last two cycles)
Program Command Sequence (last two cycles)
CS
2AAh
555h
t
t
CS
WC
t
WC
A D V A N C E
t
Figure 12. Chip/Sector Erase Operation Timings
WP
t
DS
55h
t
WP
t
DS
Figure 11. Program Operation Timings
t
t
A0h
OUT
DH
CH
t
DH
is the true data
555h for chip erase
t
CH
t
WPH
t
WPH
t
t
AS
AS
SA
17).
PA
Am29F004B
I N F O R M A T I O N
10 for Chip Erase
t
AH
t
PD
AH
30h
t
WHWH1
Read Status Data (last two cycles)
t
WHWH2
Read Status Data
PA
VA
Status
Progress
In
D
OUT
PA
VA
Complete
8/5/05