L200BB55RD AMD [Advanced Micro Devices], L200BB55RD Datasheet - Page 36

• 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
Note:VA = Valid address. Illustration shows first status cycle after command sequence, last status read cycle, and array data read
cycle.
Note: VA = Valid address; not required for DQ6. Illustration shows first two status cycle after command sequence, last status read
cycle, and array data read cycle.
34
Addresses
Addresses
DQ0–DQ6
DQ6/DQ2
RY/BY#
RY/BY#
WE#
DQ7
WE#
OE#
OE#
CE#
CE#
t
t
t
t
BUSY
BUSY
CH
CH
t
t
OEH
OEH
Figure 19. Data# Polling Timings (During Embedded Algorithms)
Figure 20. Toggle Bit Timings (During Embedded Algorithms)
High Z
t
t
ACC
ACC
t
t
CE
CE
t
VA
t
t
VA
t
RC
OE
RC
OE
Valid Status
Complement
Status Data
(first read)
t
t
OH
OH
t
t
DF
DF
D A T A S H E E T
Am29LV200B
(second read)
Valid Status
VA
VA
Complement
Status Data
True
True
(stops toggling)
Valid Status
VA
21521D6 October 10, 2006
VA
Valid Data
Valid Data
Valid Data
VA
High Z
High Z