参数资料
型号: NAND01GR3B2CN6F
厂商: NUMONYX
元件分类: PROM
英文描述: 128M X 8 FLASH 1.8V PROM, 25000 ns, PDSO48
封装: 12 X 20 MM, ROHS COMPLIANT, PLASTIC, TSOP-48
文件页数: 9/65页
文件大小: 1473K
代理商: NAND01GR3B2CN6F
NAND01G-B2C
Bus operations
17/65
Data is output when Chip Enable is Low, Write Enable is High, Address Latch Enable is Low,
and Command Latch Enable is Low. The data is output sequentially using the Read Enable
signal.
See Figure 23 and Table 25 for details of the timings requirements.
4.5
Write Protect
Write Protect bus operations are used to protect the memory against program or erase
operations. When the Write Protect signal is Low the device will not accept program or erase
operations and so the contents of the memory array cannot be altered. The Write Protect
signal is not latched by Write Enable to ensure protection even during power-up.
4.6
Standby
When Chip Enable is High the memory enters standby mode, the device is deselected,
outputs are disabled and power consumption is reduced.
Table 5.
Bus operations
Bus operation
E
AL
CL
R
W
WP
I/O0 - I/O7
I/O8 - I/O15(1)
1. Only for x16 devices.
Command input
VIL
VIH
Rising
X(2)
2. WP must be VIH when issuing a program or erase command.
Command
X
Address input
VIL
VIH
VIL
VIH
Rising
X
Address
X
Data input
VIL
VIH
Rising
VIH
Data input
Data output
VIL
Falling
VIH
X
Data output
Write Protect
X
VIL
XX
Standby
VIH
XX
X
VIL/VD
D
XX
Table 6.
Address insertion, x8 devices
Bus cycle(1)
1.
Any additional address input cycles will be ignored.
I/O7
I/O6
I/O5
I/O4
I/O3
I/O2
I/O1
I/O0
1st
A7
A6
A5
A4
A3
A2
A1
A0
2nd
VIL
A11
A10
A9
A8
3rd
A19
A18
A17
A16
A15
A14
A13
A12
4th
A27
A26
A25
A24
A23
A22
A21
A20
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