AM29F400BT-55EF Spansion Inc., AM29F400BT-55EF Datasheet - Page 34

• Manufacturer Part Number: AM29F400BT-55EF
• Description: IC, FLASH, 4MBIT, 55NS, TSOP-48
• Manufacturer: Spansion Inc.

Specifications of AM29F400BT-55EF

• Memory Type: Flash
• Memory Size: 4Mbit
• Memory Configuration: 512K X 8 / 256K X 16
• Access Time: 55ns
• Supply Voltage Range: 4.75V To 5.25V
• Memory Case Style: TSOP
• No. Of Pins: 48
• Cell Type: NOR
• Density: 4Mb
• Access Time (max): 55ns
• Interface Type: Parallel
• Boot Type: Top
• Address Bus: 19/18Bit
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: -40C to 85C
• Package Type: TSOP
• Program/erase Volt (typ): 4.75 to 5.25V
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Word Size: 8/16Bit
• Number Of Words: 512K/256K
• Supply Current: 50mA
• Mounting: Surface Mount
• Pin Count: 48
• Lead Free Status / Rohs Status: 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.
32
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 15. Data# Polling Timings (During Embedded Algorithms)
Figure 16. 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
Complement
Status Data
Valid Status
(first read)
t
t
OH
OH
D A T A
t
DF
t
DF
Am29F400B
S H E E T
(second read)
Valid Status
VA
VA
Complement
Status Data
True
True
(stops toggling)
Valid Status
VA
21505E8 November 11, 2009
VA
Valid Data
Valid Data
Valid Data
VA
High Z
High Z