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参数资料
| 型号： | S29CD032J1JFAI122 |
| 厂商： | SPANSION LLC |
| 元件分类： | PROM |
| 英文描述： | 1M X 32 FLASH 2.7V PROM, 54 ns, PBGA80 |
| 封装： | 13 X 11 MM, 1 MM PITCH, FORTIFIED, BGA-80 |
| 文件页数： | 37/78页 |
| 文件大小： | 1825K |
| 代理商： | S29CD032J1JFAI122 |
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40
S29CD-J & S29CL-J Flash Family
S29CD-J_CL-J_00_B1 September27,2006
Prel imi n ary
Notes:
1. DQ5 switches to 1 when an Embedded Program or Embedded Erase operation has exceeded the maximum timing limits.
See DQ5: Exceeded Timing Limits on page 38 for more information.
2. DQ7 and DQ2 require a valid address when reading status information. See DQ7: Data# Polling on page 34 and DQ2:
Toggle Bit II on page 36 for further details.
8.9
Reset Command
Writing the reset command resets the device to the read or erase-suspend-read mode. Address
bits are don’t cares for this command.
The reset command may be written between the cycles in an erase command sequence before
erasing begins. This resets the device to the read mode. However, once erasure begins, the de-
vice ignores the reset commands until the operation is complete.
The reset command may be written between the cycles in a program command sequence before
programming begins. This resets the device to the read mode. If the program command se-
quence is written while the device is in the Erase Suspend mode, writing the reset command
returns the device to the erase-suspend-read mode. However, once programming begins, the
device ignores the reset commands until the operation is complete.
The reset command may be written between the cycles in an autoselect command sequence.
Once in the autoselect mode, the reset command must be written to exit the autoselect mode
and return to the read mode.
If DQ5 goes high during a program or erase operation, writing the reset command returns the
device to the read mode or erase-suspend-read-mode if the device was in Erase Suspend. When
the reset command is written, before the embedded operation starts, the device requires tRR be-
fore it returns to the read or erase-suspend-read mode.
Table 8.10 Reset Command Timing
Table 8.9 Write Operation Status
Operation
DQ7
DQ6
DQ5
DQ3
DQ2
RY/BY#
Standard
Mode
Embedded Program Algorithm
DQ7#
Toggle
0
N/A
No toggle
0
Embedded Erase Algorithm
0
Toggle
0
1
Toggle
0
Erase
Suspend
Mode
Reading within Erase
Suspended Sector
1
No toggle
0
N/A
Toggle
1
Reading within Non-Erase
Suspended Sector
Data
1
Erase-Suspend-Program
DQ7#
Toggle
0
N/A
0
Parameter
Description
Max.
Unit
tRR
Reset Command to Read Mode
or Erase-Suspend-Read Mode
250
ns
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