参数资料
型号: NAND256W3A2BV1T
厂商: STMICROELECTRONICS
元件分类: PROM
英文描述: 32M X 8 FLASH 3V PROM, 35 ns, PDSO48
封装: 12 X 17 MM, 0.65 MM HEIGHT, PLASTIC, USOP-48
文件页数: 11/57页
文件大小: 916K
代理商: NAND256W3A2BV1T
19/57
NAND128-A, NAND256-A, NAND512-A, NAND01G-A
COMMAND SET
All bus write operations to the device are interpret-
ed by the Command Interface. The Commands
are input on I/O0-I/O7 and are latched on the rising
edge of Write Enable when the Command Latch
Enable signal is high. Device operations are se-
lected by writing specific commands to the Com-
mand
Register.
The
two-step
command
sequences for program and erase operations are
imposed to maximize data security.
The
Commands
are
summarized
in
Table 9. Commands
Note: 1. The bus cycles are only shown for issuing the codes. The cycles required to input the addresses or input/output data are not shown.
2. Any undefined command sequence will be ignored by the device.
Command
Bus Write Operations(1)
Command accepted
during busy
1st CYCLE
2nd CYCLE
3rd CYCLE
Read A
00h
-
Read B
01h(2)
-
Read C
50h
-
Read Electronic Signature
90h
-
Read Status Register
70h
-
Yes
Page Program
80h
10h
-
Copy Back Program
00h
8Ah
10h
Block Erase
60h
D0h
-
Reset
FFh
-
Yes
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