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参数资料
| 型号： | R1EX25004ATA00A#S0 |
| 厂商： | Renesas Electronics America |
| 文件页数： | 14/24页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 4K 5MHZ 8TSSOP |
| 标准包装： | 1 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 4K (512 x 8) |
| 速度： | 3MHz，5MHz |
| 接口： | SPI 串行 |
| 电源电压： | 1.8 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 8-TSSOP |
| 包装： | 标准包装 |
| 其它名称： | R1EX25004ATA00A#S0DKR |
R1EX25002Axx00A/R1EX25004Axx00A
Read Status Register (RDSR):
The Read Status Register (RDSR) instruction allows the Status Register to be read. The Status Register may be read at
any time, even while a Write or Write Status Register cycle is in progress. When one of these cycles is in progress, it is
recommended to check the Write In Progress (WIP) bit before sending a new instruction to the device. It is also
possible to read the Status Register continuously, as shown in the following figure.
Read Status Register (RDSR) Sequence
S
W
V IH
V IL
V IH
V IL
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14
15
C
D
V IH
V IL
V IH
V IL
Status Register Out
Q
High-Z
7
6
5
4
3
2
1
0
7
The status and control bits of the Status Register are as follows:
WIP bit: The Write In Progress (WIP) bit indicates whether the memory is busy with a Write or Write Status Register
cycle. When set to 1, such a cycle is in progress. When reset to 0, no such cycles are in progress.
WEL bit: The Write Enable Latch (WEL) bit indicates the status of the internal Write Enable Latch. When set to 1, the
internal Write Enable Latch is set. When set to 0, the internal Write Enable Latch is reset and no Write or Write Status
Register instructions are accepted.
BP1, BP0 bits: The Block Protect (BP1, BP0) bits are non-volatile. They define the size of the area to be software
protected against Write instructions. These bits are written with the Write Status Register (WRSR) instruction. When
one or both of the Block Protect (BP1, BP0) bits are set to 1, the relevant memory area (as defined in the Status
Register Format table) becomes protected against Write (WRITE) instructions. The Block Protect (BP1, BP0) bits can
be written provided that the Hardware Protected mode has not been set.
REJ03C0357-0002 Rev. 0.02 Jan.14 .2009
page 12 of 20
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相关代理商/技术参数 |
参数描述 |
|---|---|
| R1EX25004ATA00G | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:Serial Peripheral Interface 2k EEPROM 4k EEPROM |
| R1EX25004ATA00I | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:Serial Peripheral Interface Electrically Erasable and Programmable Read Only Memory |
| R1EX25004ATA00I#S0 | 制造商:Renesas Electronics Corporation 功能描述:SERIAL EEPROM 4K, SPI, TSSOP8, 制造商:Renesas Electronics Corporation 功能描述:SERIAL EEPROM 4K, SPI, TSSOP8, I-GRADE - Tape and Reel 制造商:Renesas Electronics Corporation 功能描述:IC EEPROM 4KBIT 5MHZ 8TSSOP |
| R1EX25008ASA00A#S0 | 功能描述:IC EEPROM 8K 5MHZ 8SOP RoHS:是 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:1 系列:- 格式 - 存储器:闪存 存储器类型:闪存 - NAND 存储容量:4G（256M x 16） 速度:- 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:0°C ~ 70°C 封装/外壳:48-TFSOP（0.724"，18.40mm 宽） 供应商设备封装:48-TSOP I 包装:Digi-Reel® 其它名称:557-1461-6 |
| R1EX25008ASA00G | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:Serial Peripheral Interface 8k EEPROM 16k EEPROM |
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