AM29LV400BT-90EC Spansion Inc., AM29LV400BT-90EC Datasheet - Page 36

• Manufacturer Part Number: AM29LV400BT-90EC
• Manufacturer: Spansion Inc.

Specifications of AM29LV400BT-90EC

• Cell Type: NOR
• Density: 4Mb
• Access Time (max): 90ns
• Interface Type: Parallel
• Boot Type: Top
• Address Bus: 19/18Bit
• Operating Supply Voltage (typ): 3/3.3V
• Operating Temp Range: 0C to 70C
• Package Type: TSOP
• Program/erase Volt (typ): 2.7 to 3.6V
• Sync/async: Asynchronous
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Word Size: 8/16Bit
• Number Of Words: 512K/256K
• Supply Current: 12mA
• Mounting: Surface Mount
• Pin Count: 48
• Lead Free Status / Rohs Status: Not Compliant

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
DQ6/DQ2
RY/BY#
Addresses
DQ0–DQ6
RY/BY#
WE#
OE#
CE#
WE#
DQ7
OE#
CE#
t
t
BUSY
CH
t
t
BUSY
CH
t
OEH
Figure 19. Data# Polling Timings (During Embedded Algorithms)
t
Figure 20. Toggle Bit Timings (During Embedded Algorithms)
OEH
High Z
t
ACC
t
t
CE
ACC
t
VA
t
t
RC
OE
CE
t
VA
t
RC
OE
Valid Status
(first read)
Complement
Status Data
t
OH
D A T A
t
OH
t
DF
t
DF
Am29LV400B
S H E E T
(second read)
Valid Status
VA
VA
Complement
Status Data
True
True
(stops toggling)
Valid Status
VA
21523D4 December 4, 2006
VA
Valid Data
Valid Data
Valid Data
VA
High Z
High Z