AM29F002NB AMD [Advanced Micro Devices], AM29F002NB Datasheet - Page 31

• Manufacturer Part Number: AM29F002NB
• Description: 2 Megabit (256 K x 8-Bit) CMOS 5.0 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.
30
Addresses
Addresses
DQ6/DQ2
DQ0–DQ6
WE#
WE#
DQ7
OE#
CE#
OE#
CE#
t
t
CH
CH
Figure 13. Data# Polling Timings (During Embedded Algorithms)
t
t
OEH
Figure 14. Toggle Bit Timings (During Embedded Algorithms)
OEH
High Z
t
t
ACC
ACC
t
t
CE
CE
t
VA
t
t
VA
t
RC
RC
OE
OE
Complement
Valid Status
Status Data
(first read)
Am29F002B/Am29F002NB
t
t
OH
OH
t
t
DF
DF
(second read)
Valid Status
VA
VA
Complement
Status Data
True
True
(stops toggling)
Valid Status
VA
VA
Valid Data
Valid Data
November 28, 2000
Valid Data
VA
High Z
High Z