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参数资料
| 型号： | AT25160A-10PU-1.8 |
| 厂商： | Atmel |
| 文件页数： | 10/26页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 16KBIT 20MHZ 8DIP |
| 标准包装： | 50 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 16K (2K x 8) |
| 速度： | 5MHz，10MHz，20MHz |
| 接口： | SPI 3 线串行 |
| 电源电压： | 1.8 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-PDIP |
| 包装： | 管件 |
Table 3-3.
Bit
Bit 0 (RDY)
Bit 1 (WEN)
Bit 2 (BP0)
Bit 3 (BP1)
Read Status Register Bit Definition
Definition
Bit 0 = “0” (RDY) indicates the device is READY. Bit 0 = “1” indicates the write cycle
is in progress.
Bit 1= “0” indicates the device is not WRITE ENABLED. Bit 1 = “1” indicates the
device is write enabled.
See Table 3-4 on page 10 .
See Table 3-4 on page 10 .
Bits 4–6 are “0”s when device is not in an internal write cycle.
Bit 7 (WPEN)
See Table 3-5 on page 11 .
Bits 0–7 are “1”s during an internal write cycle.
WRITE STATUS REGISTER (WRSR): The WRSR instruction allows the user to select one of
four levels of protection. The AT25080A/160A/320A/640A is divided into four array segments.
One-quarter, one-half, or all of the memory segments can be protected. Any of the data within
any selected segment will therefore be read only. The block write protection levels and corre-
sponding status register control bits are shown in Table 3-4 .
The three bits BP0, BP1, and WPEN are nonvolatile cells that have the same properties and
functions as the regular memory cells (e.g., WREN, t WC , RDSR).
Table 3-4.
Block Write Protect Bits
Status
Register Bits
Array Addresses Protected
Level
0
1(1/4)
2(1/2)
3(All)
BP1
0
0
1
1
BP0
0
1
0
1
AT25080A
None
0300
? 03FF
0200
? 03FF
0000
? 03FF
AT25160A
None
0600
? 07FF
0400
? 07FF
0000
? 07FF
AT25320A
None
0C00
? 0FFF
0800
? 0FFF
0000
? 0FFF
AT25640A
None
1800
? 1FFF
1000
? 1FFF
0000
? 1FFF
The WRSR instruction also allows the user to enable or disable the write protect (WP) pin
through the use of the Write Protect Enable (WPEN) bit. Hardware write protection is enabled
when the WP pin is low and the WPEN bit is “1”. Hardware write protection is disabled when
either the WP pin is high or the WPEN bit is “0”. When the device is hardware write protected,
writes to the status register, including the block protect bits and the WPEN bit, and the block-pro-
tected sections in the memory array are disabled. Writes are only allowed to sections of the
memory that are not block-protected.
NOTE: When the WPEN bit is hardware write protected, it cannot be changed back to “0” as
long as the WP pin is held low.
10
AT25080A/160A/320A/640A
3347L–SEEPR–06/07
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AT25160A-10PU-2.7 | 功能描述:电可擦除可编程只读存储器 DBGA 1 2.7V 7MIL - 10MS 2.7V 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 |
| AT25160A-10TI-1.8 | 功能描述:IC EEPROM 16KBIT 20MHZ 8TSSOP RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:96 系列:- 格式 - 存储器:闪存 存储器类型:FLASH 存储容量:16M（2M x 8，1M x 16） 速度:70ns 接口:并联 电源电压:2.65 V ~ 3.6 V 工作温度:-40°C ~ 85°C 封装/外壳:48-TFSOP（0.724"，18.40mm 宽） 供应商设备封装:48-TSOP 包装:托盘 |
| AT25160A-10TI-2.7 | 功能描述:IC EEPROM 16KBIT 20MHZ 8TSSOP RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:96 系列:- 格式 - 存储器:闪存 存储器类型:FLASH 存储容量:16M（2M x 8，1M x 16） 速度:70ns 接口:并联 电源电压:2.65 V ~ 3.6 V 工作温度:-40°C ~ 85°C 封装/外壳:48-TFSOP（0.724"，18.40mm 宽） 供应商设备封装:48-TSOP 包装:托盘 |
| AT25160A-10TQ-2.7 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:SPI Serial EEPROMs |
| AT25160A-10TU-1.8 | 功能描述:电可擦除可编程只读存储器 DBGA 1 2.7V 7 MIL - 10MS 1.8V 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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