D A T A S H E E T
PRODUCT SELECTOR GUIDE
Family Part Number
Am29F400B
VCC = 5.0 V 5ꢀ
Speed Option
-45
-50
-55
-55
55
VCC = 5.0 V 10ꢀ
-70
70
70
30
-90
90
90
35
Max access time, ns (tACC
Max CE# access time, ns (tCE
Max OE# access time, ns (tOE
)
45
45
30
50
50
30
)
55
)
30
Note: See “AC Characteristics” for full specifications.
BLOCK DIAGRAM
DQ0–DQ15 (A-1)
RY/BY#
VCC
Sector Switches
VSS
Erase Voltage
Generator
Input/Output
Buffers
RESET#
State
Control
WE#
BYTE#
Command
Register
PGM Voltage
Generator
Data
Latch
Chip Enable
Output Enable
Logic
STB
CE#
OE#
Y-Decoder
Y-Gating
STB
VCC Detector
Timer
Cell Matrix
X-Decoder
A0–A17
4
Am29F400B
21505E8 November 11, 2009
CYPRESS [ CYPRESS ]
