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L640DU21NF Datasheet(PDF) 14 Page - Advanced Micro Devices

Part # L640DU21NF
Description  64 Megabit (4 M x 16-Bit) CMOS 3.0 Volt-only Uniform Sector Flash Memory with VersatileIO??Control
PDF  57 Pages
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Manufacturer  AMD [Advanced Micro Devices]
Direct Link  http://www.amd.com
Logo AMD - Advanced Micro Devices

L640DU21NF Datasheet(HTML) 14 Page - Advanced Micro Devices

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12
Am29LV640D/Am29LV641D
22366C6 January 22, 2007
D A TA
SH EET
The RESET# pin can be tied to the system reset cir-
cuitry. A system reset would thus also reset the Flash
memory, enabling the system to read the boot-up firm-
ware from the Flash memory.
If RESET# is asserted during a program or erase op-
eration, the RY/BY# pin remains a “0” (busy) until the
internal reset operation is complete, which requires a
time of t
READY (during Embedded Algorithms). The sys-
tem can thus monitor RY/BY# to determine whether
the reset operation is complete. If RESET# is asserted
when a program or erase operation is not executing
(RY/BY# pin is “1”), the reset operation is completed
within a time of t
READY (not during Embedded Algo-
rithms). The system can read data t
RH after the RE-
SET# pin returns to V
IH.
Refer to the table “AC Characteristics” on page 37 for
RESET# parameters and to Figure 14, on page 38 for
the timing diagram.
Output Disable Mode
When the OE# input is at V
IH, output from the device is
disabled. The output pins are placed in the high
impedance state.
Table 2.
Sector Address Table (Sheet 1 of 4)
Sector
A21
A20
A19
A18
A17
A16
A15
16-bit Address Range
(in hexadecimal)
SA0
0
0
0
0
0
0
0
000000–007FFF
SA1
0
0
0
0
0
0
1
008000–00FFFF
SA2
0
0
0
0
0
1
0
010000–017FFF
SA3
0
0
0
0
0
1
1
018000–01FFFF
SA4
0
0
0
0
1
0
0
020000–027FFF
SA5
0
0
0
0
1
0
1
028000–02FFFF
SA6
0
0
0
0
1
1
0
030000–037FFF
SA7
0
0
0
0
1
1
1
038000–03FFFF
SA8
0
0
0
1
0
0
0
040000–047FFF
SA9
0
0
0
1
0
0
1
048000–04FFFF
SA10
0
0
0
1
0
1
0
050000–057FFF
SA11
0
0
0
1
0
1
1
058000–05FFFF
SA12
0
0
0
1
1
0
0
060000–067FFF
SA13
0
0
0
1
1
0
1
068000–06FFFF
SA14
0
0
0
1
1
1
0
070000–077FFF
SA15
0
0
0
1
1
1
1
078000–07FFFF
SA16
0
0
1
0
0
0
0
080000–087FFF
SA17
0
0
1
0
0
0
1
088000–08FFFF
SA18
0
0
1
0
0
1
0
090000–097FFF
SA19
0
0
1
0
0
1
1
098000–09FFFF
SA20
0
0
1
0
1
0
0
0A0000–0A7FFF
SA21
0
0
1
0
1
0
1
0A8000–0AFFFF
SA22
0
0
1
0
1
1
0
0B0000–0B7FFF
SA23
0
0
1
0
1
1
1
0B8000–0BFFFF
SA24
001
10
00
0C0000–0C7FFF
SA25
0
0
1
1
0
0
1
0C8000–0CFFFF



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