AM29F400BT-90SD Spansion Inc., AM29F400BT-90SD Datasheet - Page 6

• 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

PRODUCT SELECTOR GUIDE
Note: See “AC Characteristics” for full specifications.
BLOCK DIAGRAM
4
Family Part Number
Speed Option
Max access time, ns (t
Max CE# access time, ns (t
Max OE# access time, ns (t
RESET#
BYTE#
A0–A17
WE#
OE#
V
CE#
V
CC
SS
RY/BY#
V
CC
Command
Register
Control
V
V
ACC
State
Detector
CC
CC
)
= 5.0 V ± 5%
= 5.0 V ± 10%
CE
OE
)
)
PGM Voltage
Generator
Timer
D A T A
Sector Switches
Erase Voltage
Am29F400B
-45
45
45
30
Generator
S H E E T
STB
-50
50
50
30
Output Enable
Chip Enable
Logic
Y-Decoder
X-Decoder
-55
-55
55
55
30
Am29F400B
STB
-70
70
70
30
DQ0
Input/Output
–
Buffers
Cell Matrix
21505E7 August 3, 2009
DQ15 (A-1)
Y-Gating
Latch
Data
-90
90
90
35
-120
120
120
50