AM29F400BT-90SD Spansion Inc., AM29F400BT-90SD Datasheet - Page 37

• Manufacturer Part Number: AM29F400BT-90SD
• Manufacturer: Spansion Inc.

Specifications of AM29F400BT-90SD

• Cell Type: NOR
• Density: 4Mb
• Access Time (max): 90ns
• Interface Type: Parallel
• Boot Type: Top
• Address Bus: 19/18Bit
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: 0C to 70C
• Package Type: SO
• Program/erase Volt (typ): 4.5 to 5.5V
• Sync/async: Asynchronous
• Operating Temperature Classification: Commercial
• 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: 44
• Lead Free Status / Rohs Status: Compliant

AC CHARACTERISTICS
August 3, 2009 21505E7
Notes:
1. PA = Program Address, PD = Program Data, SA = Sector Address, DQ7# = Complement of Data Input, D
2. Figure indicates the last two bus cycles of the command sequence, with the device in word mode.
Addresses
RESET#
RY/BY#
WE#
Data
OE#
CE#
Figure 19. 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
D A T A
AS
t
DH
t
Am29F400B
AH
PD for program
30 for sector erase
10 for chip erase
S H E E T
t
BUSY
t
WHWH1 or 2
Data# Polling
DQ7#
PA
D
OUT
OUT
= Array Data.
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