AM29BDS128HD8VFI AMD [Advanced Micro Devices], AM29BDS128HD8VFI Datasheet - Page 7

• Manufacturer Part Number: AM29BDS128HD8VFI
• Description: 128 or 64 Megabit (8 M or 4 M x 16-Bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst Mode Flash Memory
• Manufacturer: AMD [Advanced Micro Devices]

PRODUCT SELECTOR GUIDE
Note: Speed Options ending in “8” indicate the “reduced wait-state handshaking” option, which speeds initial synchronous
accesses for even addresses. Speed Options ending in “9” indicate the “standard handshaking” option. See the AC
Characteristics section of this data sheet for full specifications.
BLOCK DIAGRAM
Note: A
May 10, 2006 27024B3
Part Number
Burst Frequency
Speed Option
Max Initial Synchronous Access Time, ns (T
Reduced Wait-state Handshaking; Even Address
Max Initial Synchronous Access Time, ns (T
Reduced Wait-state Handshaking; Odd Address; or Standard Handshaking
Max Burst Access Time, ns (T
Max Asynchronous Access Time, ns (T
Max CE# Access Time, ns (T
Max OE# Access Time, ns (T
V
V
V
RESET#
CC
SS
IO
WE#
WP#
ACC
AVD#
Amax–A0
CLK
max
OE#
CE#
= A22 (128 Mb) or A21 (64 Mb)
Command
Control
Register
Burst
State
Control
Buffer
State
RDY
Detector
CE
OE
BACC
V
)
)
CC
)
ACC
)
IACC
IACC
Am29BDS128H/Am29BDS640H
PGM Voltage
Address
Counter
Generator
Burst
)
)
D A T A
RDY
Timer
Erase Voltage
Generator
S H E E T
V
CC
, V
IO
Output Enable
= 1.65
Chip Enable
Logic
–
Y-Decoder
X-Decoder
1.95 V
Am29BDS128H/Am29BDS640H
66 MHz
E8, E9
56
71
11
50
11
Input/Output
DQ15–DQ0
Buffers
Cell Matrix
Y-Gating
Latch
Data
54 MHz
D8, D9
87.5
13.5
13.5
69
55
5