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| 型号： | AT25256W-10SI-2.7 |
| 厂商： | Atmel |
| 文件页数： | 2/22页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 256KBIT 3MHZ 8SOIC |
| 标准包装： | 94 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 256K (32K x 8) |
| 速度： | 2.1MHz，3MHz |
| 接口： | SPI 3 线串行 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-SOIC（0.209"，5.30mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
The AT25128/256 is enabled through the Chip Select pin (CS) and accessed via a 3-
wire interface consisting of Serial Data Input (SI), Serial Data Output (SO), and Serial
Clock (SCK). All programming cycles are completely self-timed, and no separate Erase
cycle is required before Write.
Block Write protection is enabled by programming the status register with top ?, top ?
or entire array of write protection. Separate Program Enable and Program Disable
instructions are provided for additional data protection. Hardware data protection is pro-
vided via the WP pin to protect against inadvertent write attempts to the status register.
The HOLD pin may be used to suspend any serial communication without resetting the
serial sequence.
Absolute Maximum Ratings*
Operating Temperature..................................–55 ° C to +125 ° C
Storage Temperature ..................................... –65 ° C to +150 ° C
Voltage on Any Pin
with Respect to Ground .................................... –1.0V to +7.0V
Maximum Operating Voltage .......................................... 6.25V
*NOTICE:
Stresses beyond those listed under “Absolute Maxi-
mum Ratings” may cause permanent damage to the
device. This is a stress rating only and functional
operation of the device at these or any other condi-
tions beyond those indicated in the operational sec-
tions of this specification is not implied. Exposure to
absolute maximum rating conditions for extended
periods may affect device reliability.
DC Output Current........................................................ 5.0 mA
Figure 1. Block Diagram
16384/32768 x 8
2
AT25128/256
0872O–SEEPR–03/05
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AT25256W-10SJ-1.8 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:SPI Serial EEPROMs |
| AT25256W-10SJ-2.7 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:SPI Serial EEPROMs |
| AT25256W10SU27 | 制造商:ATMEL 功能描述:Pb Free |
| AT-252PIN | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog Attenuator |
| AT25320 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:SPI Serial EEPROMs |
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