AM29BDS128HD8VFI AMD [Advanced Micro Devices], AM29BDS128HD8VFI Datasheet - Page 17

• 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]

Legend: L = Logic Low = V
SA = Sector Address, X = Don’t care.
Notes:
1. The autoselect codes may also be accessed in-system via command sequences.
2. PPB Protection Status is shown on the data bus
May 10, 2006 27024B3
Manufacturer ID:
AMD
Sector Protection
Verification
Indicator Bits
Hardware Sector
Group Protection
Description
Read Cycle 1
Read Cycle 2
Read Cycle 3
CE# OE# WE# RESET#
L
L
L
L
L
IL
, H = Logic High = V
L
L
L
L
L
H
H
H
H
H
Table 3. Autoselect Codes (High Voltage Method)
H
H
H
H
H
IH
, BA = Bank Address,
Am29BDS128H/Am29BDS640H
Amax
A12
SA
SA
to
X
X
X
D A T A
A11
A10 A9 A8 A7
to
X
X
X
X
X
V
V
V
V
V
ID
ID
ID
ID
ID
S H E E T
X
X
X
X
X
X
L
L
X
X
A6
X
L
L
L
L
A5
A4 A3 A2 A1 A0
to
X
X
L
L
L
H
H
L
L
L
L
L
H
H
L
L
L
L
L
H
H
H
H
H
L
L
H
H
H
L
L
L
L
1 = Locked, 0 = Not Locked
1 = Locked, 0 = Not Locked
Handshake, 0 = Standard
DQ6 -Customer Lock Bit
1 = Reduced wait-state
DQ7 - Factory Lock Bit
DQ5 = Handshake Bit
0000h (unprotected)
0000h (unprotected)
0001h (protected),
0001h (protected),
DQ15 - DQ8 = 0
2218h (128 Mb)
2200h (128 Mb)
DQ4 - DQ0 = 0
221Eh (64 Mb)
2201h (64 Mb)
Handshake
to DQ0
227Eh
0001h
DQ15
15