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A29L161B Datasheet(PDF) 35 Page - AMIC Technology

Part No. A29L161B
Description  2M X 8 Bit / 1M X 16 Bit CMOS 3.3 Volt-only, Boot Sector Flash Memory
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Maker  AMICC [AMIC Technology]
Homepage  http://www.amictechnology.com
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A29L161B Datasheet(HTML) 35 Page - AMIC Technology

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A29L161B Series
(December, 2015, Version 1.0)
34
AMIC Technology, Corp.
Timing Waveforms for Alternate CE Controlled Write Operation
Addresses
WE
OE
CE
Data
555 for program
2AA for erase
PA
DOUT
I/O7
Data Polling
Note :
1. PA = Program Address, PD = Program Data, SA = Sector Address, I/O7 = Complement of Data Input, DOUT = Array Data.
2. Figure indicates the last two bus cycles of the command sequence.
PD for program
30 for sector erase
10 for chip erase
tBUSY
tWHWH1 or 2
tAH
tAS
tWC
tWH
tCP
tWS
tCPH
PA for program
SA for sector erase
555 for chip erase
A0 for program
55 for erase
tRH
tDS
tDH
RESET
RY/BY
Erase and Programming Performance
Parameter
Typ. (Note 1)
Max. (Note 2)
Unit
Comments
Sector Erase Time
0.3
1.5
sec
Chip Erase Time
8
32
sec
Excludes 00h programming
prior to erasure (Note 4)
Byte Programming Time
6
100
μs
Word Programming Time
11
180
μs
Byte Mode
8
16
sec
Chip Programming Time
(Note 3)
Word Mode
3
12
sec
Excludes system-level
overhead (Note 5)
Notes:
1. Typical program and erase times assume the following conditions: 25
°C, 3.0V VCC, 10,000 cycles. Additionally, programming
typically assumes checkerboard pattern.
2. Under worst case conditions of 90
°C, VCC = 2.7V, 100,000 cycles.
3. The typical chip programming time is considerably less than the maximum chip programming time listed, since most bytes
program faster than the maximum byte program time listed. If the maximum byte program time given is exceeded, only then
does the device set I/O5 = 1. See the section on I/O5 for further information.
4. In the pre-programming step of the Embedded Erase algorithm, all bytes are programmed to 00h before erasure.
5. System-level overhead is the time required to execute the four-bus-cycle command sequence for programming. See Table 9
for further information on command definitions.
6. The device has a guaranteed minimum erase and program cycle endurance of 100,000 cycles.


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