AM29DL400BB-120SF AMD [Advanced Micro Devices], AM29DL400BB-120SF Datasheet - Page 34

• Manufacturer Part Number: AM29DL400BB-120SF
• Description: 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory
• Manufacturer: AMD [Advanced Micro Devices]

Notes:
1. SA = sector address (for Sector Erase), VA = Valid Address for reading status data (see “Write Operation Status” ).
2. Illustration shows device in word mode.
AC CHARACTERISTICS
32
Notes:
1. PA = program address, PD = program data, D
2. Illustration shows device in word mode.
Addresses
RY/BY#
Addresses
WE#
Data
OE#
CE#
V
RY/BY#
CC
WE#
Data
OE#
CE#
V
CC
t
VCS
t
VCS
Program Command Sequence (last two cycles)
555h
t
CS
Figure 18. Chip/Sector Erase Operation Timings
t
t
WC
CS
2AAh
t
WC
Figure 17. Program Operation Timings
t
t
WP
t
WP
t
DS
DS
A0h
55h
t
DH
t
t
CH
DH
t
CH
t
WPH
555h for chip erase
OUT
t
t
WPH
AS
PA
Am29DL400B
is the true data at the program address.
t
AS
SA
t
AH
PD
10 for Chip Erase
t
AH
t
BUSY
30h
t
BUSY
t
WHWH1
Read Status Data (last two cycles)
PA
t
WHWH2
Status
VA
Progress
In
D
OUT
PA
t
VA
RB
Complete
t
RB