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參數資料
| 型號： | CAT25C02 |
| 英文描述： | 2K SPI Serial CMOS EEPROM(2K位（256字x8位）SPI串行CMOS EEPROM) |
| 中文描述： | 2K SPI串行EEPROM中的CMOS（2K位（256字x8位）的SPI串行EEPROM中的CMOS） |
| 文件頁數： | 8/10頁 |
| 文件大?。?/td> | 59K |
| 代理商： | CAT25C02 |
8
CAT25C01/02/04/08/16
Doc. No. 25067-00 5/00
Advanced Information
Figure 7. WRSR Timing
Figure 6. Write Instruction Timing
remain constant.The only restriction is that the X (X=16
for 25C01/02/04 and X=32 for 25C08/16) bytes must
reside on the same page. If the address counter
reaches the end of the page and clock continues, the
counter will
“
roll over
”
to the first address of the page and
overwrite any data that may have been written. The
CAT25C01/02/04/08/16 is automatically returned to the
write disable state at the completion of the write cycle.
Figure 8 illustrates the page write sequence.
To write to the status register, the WRSR instruction
should be sent. Only Bit 2, Bit 3 and Bit 7 of the status
register can be written using the WRSR instruction.
Figure 7 illustrates the sequence of writing to status
register.
During an internal write cycle, all commands will be
ignored except the RDSR (Read Status Register) in-
struction.
The Status Register can be read to determine if the write
cycle is still in progress. If Bit 0 of the Status Register is
set at 1, write cycle is in progress. If Bit 0 is set at 0, the
device is ready for the next instruction
Page Write
The CAT25C01/02/04/08/16 features page write capa-
bility. After the initial byte, the host may continue to write
up to 16 bytes of data to the CAT25C01/02/04 and 32
bytes of data for 25C08/16. After each byte of data
received, lower order address bits are internally
incremented by one; the high order bits of address will
Note: Dashed Line= mode (1, 1)
–
– – – –
Note: Dashed Line= mode (1, 1)
–
– – – –
SK
SI
SO
0
0
0
0
0
0
1
0
ADDRESS
D7
D6
D5
D4
D3
D2
D1
D0
0
1
2
3
4
5
6
7
8
21
22
23
24
25
26
27
28
29
30
31
CS
OPCODE
DATA IN
HIGH IMPEDANCE
0
1
2
3
4
5
6
7
8
10
9
11
12
13
14
SCK
SI
MSB
HIGH IMPEDANCE
DATA IN
15
SO
CS
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
1
OPCODE
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相關代理商/技術參數 |
參數描述 |
|---|---|
| CAT25C02L | 功能描述:電可擦除可編程只讀存儲器 (256x8) 2K 2.5-6.0 RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數據保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| CAT25C02L-1.8 | 功能描述:電可擦除可編程只讀存儲器 (256x8) 2K 1.8-6.0 RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數據保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| CAT25C02LA | 功能描述:電可擦除可編程只讀存儲器 (256x8) 2K 2.5-6.0 RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數據保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| CAT25C02LI | 功能描述:電可擦除可編程只讀存儲器 (256x8) 2K 2.5-6.0 RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數據保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| CAT25C02P | 功能描述:電可擦除可編程只讀存儲器 (256x8) 2K 2.5-6.0 RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數據保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
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