參數(shù)資料
型號(hào)： AM29F016-75SIB
廠商： Advanced Micro Devices, Inc.
英文描述： LM3311 Step-Up PWM DC/DC Converter with Integrated LDO, Op-Amp, and Gate Pulse Modulation Switch; Package: LLP; No of Pins: 24; Qty per Container: 4500; Container: Reel
中文描述： 16兆位（2097152 × 8位）的CMOS 5.0伏只，扇區(qū)擦除閃存
文件頁(yè)數(shù)： 15/36頁(yè)
文件大?。?/td> 219K
代理商： AM29F016-75SIB
Am29F016
15
Write Operation Status
Table 6.
Write Operation Status
Notes:
1. Performing successive read operations from the erase-suspended sector will cause DQ2 to toggle.
2. Performing successive read operations from any address will cause DQ6 to toggle.
3.
Reading the byte address being programmed while in the erase-suspend program mode will indicate logic ‘1’ at the DQ2 bit.
However, successive reads from the erase-suspended sector will cause DQ2 to toggle.
DQ7
Data
Polling
The Am29F016 device features Data Polling as a
method to indicate to the host that the embedded
algorithms are in progress or completed. During the
Embedded Program Algorithm, an attempt to read the
device will produce the complement of the data last
written to DQ7. Upon completion of the Embedded
Program Algorithm, an attempt to read the device will
produce the true data last written to DQ7. During the
Embedded Erase Algorithm, an attempt to read the
device will produce a “0” at the DQ7 output. Upon
completion of the Embedded Erase Algorithm an at-
tempt to read the device will produce a “1” at the DQ7
output. The flowchart for Data Polling (DQ7) is shown
in Figure 3.
Data Polling will also flag the entry into Erase Suspend.
DQ7 will switch “0” to “1” at the start of the Erase Sus-
pend mode. Please note that the address of an erasing
sector must be applied in order to observe DQ7 in the
Erase Suspend Mode.
During Program in Erase Suspend, Data Polling will
perform the same as in regular program execution out-
side of the suspend mode.
For chip erase, the Data Polling is valid after the rising
edge of the sixth WE pulse in the six write pulse
sequence. For sector erase, the Data Polling is valid
after the last rising edge of the sector erase WE pulse.
Data Polling must be performed at sector addresses
within any of the sectors being erased and
not
a sector
that is within a protected sector group. Otherwise, the
status may not be valid.
Just prior to the completion of Embedded Algorithm op-
erations DQ7 may change asynchronously while the
output enable (OE) is asserted low. This means that
the device is driving status information on DQ7 at one
instant of time and then that byte’s valid data at the next
instant of time. Depending on when the system sam-
ples the DQ7 output, it may read the status or valid
data. Even if the device has completed the Embedded
Algorithm operations and DQ7 has a valid data, the
data outputs on DQ0–DQ6 may be still invalid. The
valid data on DQ0–DQ7 can be read on the successive
read attempts.
The Data Polling feature is only active during the Em-
bedded Programming Algorithm, Embedded Erase Al-
gorithm, Erase Suspend, erase-suspend-program
mode, or sector erase time-out (see Table 6).
See Figure 11 for the Data Polling timing specifications
and diagrams.
Status
DQ7
DQ6
DQ5
DQ3
DQ2
In Progress
Byte Program in Embedded Program Algorithm
DQ7
Toggle
0
0
1
Embedded Program Algorithm
0
Toggle
0
1
Toggle
Erase Suspended
Mode
Erase Suspended Read
(Erase Suspended Sector)
1
1
0
1
Toggle
(Note 1)
Erase Suspended Read
(Non-Erase Suspended Sector)
Data
Data
Data
Data
Data
Erase Suspended Read
(Non-Erase Suspended Sector)
DQ7
Toggle
(Note 2)
0
1
1
(Note 3)
Exceeded
Time Limits
Byte Program in Embedded Program Algorithm
DQ7
Toggle
1
0
1
Program/Erase Program in Embedded Program Algorithm
0
Toggle
1
1
N/A
Erase Suspended
Mode
Erase Suspended Read
(non-Erase Suspended Sector)
DQ7
Toggle
1
1
N/A
相關(guān)PDF資料
PDF描述
AM29F016-75FIB 16-Megabit (2,097,152 x 8-Bit) CMOS 5.0 Volt-only, Sector Erase Flash Memory
AM29F016-90 16-Megabit (2,097,152 x 8-Bit) CMOS 5.0 Volt-only, Sector Erase Flash Memory
AM29F016B-120DGC1 16 Megabit (2 M x 8-Bit) CMOS 5.0 Volt-only, Sector Erase Flash Memory-Die Revision 1
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AM29F016B120EC 制造商:Advanced Micro Devices 功能描述:
AM29F016B-120EC 制造商:Advanced Micro Devices 功能描述:
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