D A T A
S H E E T
PRODUCT SELECTOR GUIDE
Am29BDS643G
Part
Number
Synchronous/Burst
Speed Option
Max Initial Access Time, ns
(t
IACC
)
V
CC
=
1.7 – 1.9 V
Max Burst Access Time, ns
(t
BACC
)
Max OE# Access, ns (t
OE
)
7G
(40 MHz)
95
20
20
7M
(54 MHz)
87.5
13.5
13.5
5K
(66 MHz)
71
11
11
Asynchronous
Speed Option
Max Access Time, ns (t
ACC
)
Max CE# Access, ns (t
CE
)
Max OE# Access, ns (t
OE
)
7G/7M
70
70
20
5K
55
55
11
BLOCK DIAGRAM
V
CC
V
SS
RDY
Buffer
RDY
Erase Voltage
Generator
PS
A/DQ0
–
A/DQ15
PS Buffer
Input/Output
Buffers
WE#
RESET#
V
PP
State
Control
Command
Register
PGM Voltage
Generator
Chip Enable
Output Enable
Logic
Data
Latch
CE#
OE#
Y-Decoder
Timer
Address Latch
V
CC
Detector
Y-Gating
X-Decoder
Cell Matrix
AVD#
CLK
Burst
State
Control
Burst
Address
Counter
A0–A21
A/DQ0–A/DQ15
A16–A21
4
Am29BDS643G
25692A2 May 8, 2006
SPANSION [ SPANSION ]
