AM29F400BB-70SD Spansion Inc., AM29F400BB-70SD Datasheet - Page 6

• Manufacturer Part Number: AM29F400BB-70SD
• Description: Flash Memory IC
• Manufacturer: Spansion Inc.

Specifications of AM29F400BB-70SD

• Memory Size: 4Mbit
• Memory Configuration: 512K X 8 / 256K X 16
• Ic Interface Type: Parallel
• Access Time: 70ns
• Memory Case Style: SOIC
• No. Of Pins: 44
• Operating Temperature Range: 0°C To +70°C
• 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
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
21505E5 November 1, 2006
–
Buffers
Cell Matrix
DQ15 (A-1)
Y-Gating
Latch
Data
-90
90
90
35
-120
120
120
50