參數資料
型號: S-29Z430A
廠商: Seiko Instruments Inc.
英文描述: 512-Word x 16-Bit CMOS Serial EEPROM(8K位CMOS串行EEPROM)
中文描述: 512字× 16位的CMOS串行EEPROM(8K的位的CMOS串行EEPROM的)
文件頁數: 9/41頁
文件大?。?/td> 166K
代理商: S-29Z430A
CMOS SERIAL E
2
PROM
S-29ZX30A
8
2.2 ERASE
This command erases 16-bit data in a specified address.
After changing CS to high, input a start-bit, op-code (ERASE), and address. It is not necessary to input data. Changing
CS to low will start the ERASE operation, which changes every bit of the 16 bit data to "1."
3.
Write enable (EWEN) and Write disable (EWDS)
The EWEN instruction puts the S-29ZX30A series into write enable mode, which accepts WRITE and ERASE
instructions. The EWDS instruction puts the S-29ZX30A series into write disable mode, which refuses WRITE and ERASE
instructions.
The S-29ZX30A series powers on in write disable mode, which protects data against unexpected, erroneous write
operations caused by noise and/or CPU malfunctions. It should be kept in write disable mode except when performing
write operations.
Figure 8
ERASE Timing (S-29Z330A)
t
CDS
t
PR
busy
Hi-Z
t
SV
VERIFY
Standby
Hi-Z
1
CS
SK
DI
DO
t
HZ1
2
3
4
5
6
7
8
9
10
11
1
A0
ready
1
A7
A6
A5
A4
A3
A2
A1
Figure 9
ERASE Timing (S-29Z430A)
t
CDS
t
PR
busy
Hi-Z
t
SV
Hi-Z
1
CS
SK
DI
DO
t
HZ1
2
3
4
5
6
7
8
1
A0
ready
1
X
A8
A7
A6
A5
A4
9
10
11
A3
A2
12
13
A1
VERIFY
Standby
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相關代理商/技術參數
參數描述
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