参数资料
型号: NAND256W3A0AN6F
厂商: NUMONYX
元件分类: PROM
英文描述: 32M X 8 FLASH 3V PROM, 35 ns, PDSO48
封装: 12 X 20 MM, ROHS COMPLIANT, PLASTIC, TSOP-48
文件页数: 14/58页
文件大小: 1406K
代理商: NAND256W3A0AN6F
NAND128-A, NAND256-A
Command set
21/58
5
Command set
All bus write operations to the device are interpreted 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 selected by writing
specific commands to the command register. The two-step command sequences for
program and erase operations are imposed to maximize data security.
The commands are summarized in Table 9.
Table 9.
Commands
Command
Bus write operations(1)(2)
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 is ignored by the device.
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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