L200BB55RD AMD [Advanced Micro Devices], L200BB55RD Datasheet - Page 40

• Manufacturer Part Number: L200BB55RD
• Description: 2 Megabit (256 K x 8-Bit/128 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
• Manufacturer: AMD [Advanced Micro Devices]

AC CHARACTERISTICS
Notes:
1. PA = program address, PD = program data, DQ7# = complement of the data written to the device, DOUT = data written to the device.
2. Figure indicates the last two bus cycles of the command sequence.
3. Word mode address used as an example.
38
Addresses
RESET#
RY/BY#
WE#
Data
OE#
CE#
Figure 24. Alternate CE# Controlled Write Operation Timings
t
RH
555 for program
2AA for erase
t
t
t
WS
WH
WC
A0 for program
55 for erase
t
GHEL
t
t
t
DS
PA for program
SA for sector erase
555 for chip erase
CP
CPH
t
AS
t
DH
D A T A S H E E T
Am29LV200B
t
AH
PD for program
30 for sector erase
10 for chip erase
t
BUSY
t
WHWH1 or 2
Data# Polling
DQ7#
PA
D
OUT
21521D6 October 10, 2006