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参数资料
| 型号： | CAT25020YE-T3 |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | PROM |
| 英文描述： | 256 X 8 SPI BUS SERIAL EEPROM, PDSO8 |
| 封装： | GREEN, MO-153, TSSOP-8 |
| 文件页数： | 13/17页 |
| 文件大小： | 152K |
| 代理商： | CAT25020YE-T3 |
CAT25010, CAT25020, CAT25040
2008 SCILLC. All rights reserved
5
Doc. No. MD-1006 Rev. U
Characteristics subject to change without notice
STATUS REGISTER
The Status Register, as shown in Table 2, contains a
number of status and control bits.
The RDY
(Ready) bit indicates whether the device is
busy with a write operation. This bit is automatically
set to 1 during an internal write cycle, and reset to 0
when the device is ready to accept commands. For
the host, this bit is read only.
The WEL (Write Enable Latch) bit is set/reset by the
WREN/WRDI commands. 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 BP0 and BP1 (Block Protect) bits determine
which blocks are currently write protected. They are
set by the user with the WRSR command and are
non-volatile. The user is allowed to protect a quarter,
one half or the entire memory, by setting these bits
according to Table 3. The protected blocks then
become read-only.
Table 2. Status Register
7
6
5
4
3
2
1
0
1
BP1
BP0
WEL
RDY
Table 3. Block Protection Bits
Status Register Bits
BP1
BP0
Array Address Protected
Protection
0
None
No Protection
0
1
CAT25010: 060-07F
CAT25020: 0C0-0FF
CAT25040: 180-1FF
Quarter Array Protection
1
0
CAT25010: 040-07F
CAT25020: 080-0FF
CAT25040: 100-1FF
Half Array Protection
1
CAT25010: 000-07F
CAT25020: 000-0FF
CAT25040: 000-1FF
Full Array Protection
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT25020YGI | 制造商:Catalyst Semiconductor 功能描述: |
| CAT25020YI | 功能描述:电可擦除可编程只读存储器 (256x8) 2K 2.5-6.0 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
| CAT25020YI-G | 功能描述:电可擦除可编程只读存储器 (256x8) 2K 2.5-5.5 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
| CAT25020YI-GT3 | 功能描述:电可擦除可编程只读存储器 2K-Bit SPI Serial CMOS 电可擦除可编程只读存储器 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
| CAT25020Z | 功能描述:电可擦除可编程只读存储器 (256x8) 2K 2.5-6.0 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
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