AM29F400BB-90SF Spansion Inc., AM29F400BB-90SF Datasheet - Page 6

• Manufacturer Part Number: AM29F400BB-90SF
• Description: IC, FLASH, 4MBIT, 90NS, SOIC-44
• Manufacturer: Spansion Inc.

Specifications of AM29F400BB-90SF

• Memory Type: Flash
• Memory Size: 4Mbit
• Memory Configuration: 512K X 8 / 256K X 16
• Access Time: 90ns
• Supply Voltage Range: 4.5V To 5.5V
• Memory Case Style: SOIC
• No. Of Pins: 44
• Lead Free Status / RoHS Status: Lead free / RoHS 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
ACC
State
Detector
V
V
)
CC
CC
CE
OE
= 5.0 V ± 5%
= 5.0 V ± 10%
)
)
PGM Voltage
Generator
Timer
D A T A
Sector Switches
Erase Voltage
Am29F400B
Generator
S H E E T
-45
45
45
30
STB
Output Enable
Chip Enable
Logic
-50
50
50
30
Y-Decoder
X-Decoder
Am29F400B
-55
-55
55
55
30
STB
DQ0
21505E8 November 11, 2009
Input/Output
–
Buffers
Cell Matrix
DQ15 (A-1)
Y-Gating
-70
Latch
70
70
30
Data
-90
90
90
35