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參數(shù)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(shù)： | 5/10頁 |
| 文件大?。?/td> | 59K |
| 代理商： | CAT25C02 |
5
CAT25C01/02/04/08/16
Doc. No. 25067-00 5/00
Advanced Information
Status Register Bits
BP1
0
Array Address
Protected
None
Protection
BP0
0
No Protection
0
1
25C01: 60-7F
25C02: C0-FF
25C04: 180-1FF
25C08: 0300-03FF
25C16: 0600-07FF
Quarter Array Protection
1
0
25C01: 40-7F
25C02: 80-FF
25C04: 100-1FF
25C08: 0200-03FF
25C16: 0400-07FF
Half Array Protection
1
1
25C01: 00-7F
25C02: 00-FF
25C04: 000-1FF
25C08: 0000-03FF
25C16: 0000-07FF
Full Array Protection
BLOCK PROTECTION BITS
7
6
5
4
3
2
1
0
WPEN
PR_MODE
SPI_MODE
X
BP1
BP0
WEL
RDY
STATUS REGISTER
HOLD
:
Hold
HOLD
is the HOLD pin. The
HOLD
pin is used to pause
transmission to the CAT25C01/02/04/08/16 while in the
middle of a serial sequence without having to re-transmit
entire sequence at a later time. To pause,
HOLD
must be
brought low while SCK is low. The SO pin is in a high
impedance state during the time the part is paused, and
transitions on the SI pins will be ignored. To resume
communication,
HOLD
is brought high, while SCK is low.
(
HOLD
should be held high any time this function is not
being used.)
HOLD
may be tied high directly to V
CC
or
tied to V
CC
through a resistor. Figure 9 illustrates hold
timing sequence.
STATUS REGISTER
The Status Register indicates the status of the device.
The
RDY
(Ready) bit indicates whether the CAT25C01/
02/04/08/16 is busy with a write operation. When set to
1 a write cycle is in progress and when set to 0 the device
indicates it is ready. This bit is read onlyThe WEL (Write
Enable) bit indicates the status of the write enable latch.
When set to 1, the device is in a Write Enable state and
when set to 0 the device is in a Write Disable state. The
WEL bit can only be set by the WREN instruction and can
be reset by the WRDI instruction.
Protected
Blocks
Protected
Protected
Protected
Protected
Protected
Protected
Unprotected
Blocks
Protected
Writable
Protected
Writable
Protected
Writable
Status
Register
Protected
Writable
Protected
Protected
Protected
Writable
WPEN
0
0
1
1
X
X
WP
X
X
Low
Low
High
High
WEL
0
1
0
1
0
1
WRITE PROTECT ENABLE OPERATION
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)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(shù)據(jù)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(shù)據(jù)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(shù)據(jù)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(shù)據(jù)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(shù)據(jù)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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