參數(shù)資料
型號(hào)： Am29BDD160GB64C
廠商： Advanced Micro Devices, Inc.
英文描述： 16 Megabit (1 M x 16-bit/512 K x 32-Bit), CMOS 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/Write Flash Memory
中文描述： 16兆位（1 M中的x 16-bit/512畝× 32位），2.5伏的CMOS只突發(fā)模式，雙啟動(dòng)，同步讀/寫閃存
文件頁(yè)數(shù)： 18/80頁(yè)
文件大小： 3476K
代理商： AM29BDD160GB64C
16
Am29BDD160G
Table 5. Am29BDD160 Autoselect Codes (High Voltage Method)
L = Logic Low = V
, H = Logic High = V
, SA = Sector Address, X = Don’t care.
Note:
The autoselect codes may also be accessed in-system via command sequences. See Tables 18 and 20.
Asynchronous Read Operation (Non-
Burst)
The device has two control functions which must be
satisfied in order to obtain data at the outputs. CE#
is the power control and should be used for device
selection. OE# is the output control and should be
used to gate data to the output pins if the device is
selected. The device is power-up in an asynchronous
read mode. In the asynchronous mode the device
has two control functions which must be satisfied in
order to obtain data at the outputs. CE# is the power
control
and should be used for device selection.
OE# is the output control and should be used to gate
data to the output pins if the device is selected.
Address access time (t
) is equal to the delay from
stable addresses to valid output data. The chip en-
able access time (t
) is the delay from the stable
addresses and stable CE# to valid data at the output
pins. The output enable access time is the delay
from the falling edge of OE# to valid data at the out-
put pins (assuming the addresses have been stable
for at least t
ACC
–t
OE
time).
6.
Note:
Operation is shown for the 32-bit data bus. For the 16-bit data bus, A-1 is required.
Figure 1. Asynchronous Read Operation
Description
CE#
OE# WE#
A18
to
A11 A10
A9
A8
A7
A6
A5
to
A4 A3
A2
A1
A0
DQ7 to DQ0
Manufacturer ID
:
AMD
L
L
H
X
X
V
IO
X
X
L
X
X
X
L
L
0001h
A
Read Cycle 1
L
L
H
X
X
V
IO
X
L
L
X
L
L
L
H
007Eh
Read Cycle 2
L
L
H
X
X
V
IO
X
L
L
L
H
H
H
L
0008h
Read Cycle 3
L
L
H
X
X
V
IO
X
L
L
L
H
H
H
H
0000h (top
boot block)
0001h (bottom
boot block)
PPB Protection
Status
L
L
H
SA
X
V
IO
X
L
L
L
L
L
H
L
0000h
(unprotected)
0001h
(protected)
CE#
CLK
ADV#
A0-A18
DQ0-DQ31
OE#
WE#
IND/WAIT#
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