CX24C256提供262144位串行电可擦可编程只读存储器（EEPROM），每8位32768字。
该装置经过优化，可用于许多工业和商业应用，其中低功率和低电压操作是必不可少的。
CX24C256A提供了一个额外的页面，名为标识页面（64字节）。标识页可用于存储敏感的应用程序参数，这些参数可（稍后）在只读模式下永久锁定
兼容所有I2C双向数据传输协议
存储阵列：
–256 Kbits（32 Kbytes）的EEPROM
–页面大小：64字节
–附加可写锁定页
•单电源电压和高速：
–1 MHz随机和顺序读取模式
l写作：
–3毫秒内字节写入
–3毫秒内的页面写入
–允许部分页面写入
用于硬件数据保护的写入保护引脚
•施密特触发器，用于噪声抑制的滤波输入
高可靠性-耐久性：100万次写入周期
–数据保留：100年
增强的ESD/闭锁保护
–HBM 8000伏
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[ CX24C256 ]
目录
产品概述 返回TOP
The CX24C256A provides 262144 bits of serial electrically erasable and programmable readonly memory (EEPROM), organized as 32768 words of 8 bits each.
The device is optimized for use in many industrial and commercial applications where low-power and low-voltage operation are essential.
The CX24C256A offers an additional page, named the Identification Page (64 bytes). The Identification Page can be used to store sensitive application parameters which can be (later) permanently locked in Read-only mode
产品特点 返回TOP
Compatible with all I 2C bidirectional data transfer protocol
Memory array:
– 256 Kbits (32 Kbytes) of EEPROM
– Page size: 64 bytes
– Additional Write lockable page
Single supply voltage and high speed:
– 1 MHz Random and sequential Read modes
Write:
– Byte Write within 3 ms
– Page Write within 3 ms
– Partial Page Writes Allowed
Write Protect Pin for Hardware Data Protection
Schmitt Trigger, Filtered Inputs for Noise Suppression
High-reliability – Endurance: 1 Million Write Cycles
– Data Retention: 100 Years
Enhanced ESD/Latch-up protection
– HBM 8000V
8-lead PDIP/SOP/TSSOP/UDFN and WLCSP4 packages
应用范围 返回TOP
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相关芯片选择指南 返回TOP
| 串行存储器 (Serial EEPROM ) | ||||
| Part No. | Capacity | Interface | VDD | Package |
| CX24C02 | 2K bits | Two-wire Serial | 1.7~5.5V | DIP8 SOP8 TSSOP8 DFN8 |
| CX24C04 | 4K bits | Two-wire Serial | 1.7~5.5V | DIP8 SOP8 TSSOP8 DFN8 |
| CX24C08 | 8K bits | Two-wire Serial | 1.7~5.5V | DIP8 SOP8 TSSOP8 DFN8 |
| CX24C16 | 16K bits | Two-wire Serial | 1.7~5.5V | DIP8 SOP8 TSSOP8 DFN8 |
| CX24C32A | 32K bits | Two-wire Serial | 1.7~5.5V | DIP8 SOP8 TSSOP8 UDFN8 WCSP4 |
| CX24C32B | 32K bits | Two-wire Serial | 1.7~5.5V | DIP8 SOP8 TSSOP8 UDFN8 WCSP4 |
| CX24C64A | 64K bits | Two-wire Serial | 1.7~5.5V | DIP8 SOP8 TSSOP8 UDFN8 WCSP4 |
| CX24C64B | 64K bits | Two-wire Serial | 1.7~5.5V | DIP8 SOP8 TSSOP8 UDFN8 WCSP4 |
| CX24C128A | 128K bits | Two-wire Serial | 1.7~5.5V | DIP8 SOP8 TSSOP8 UDFN8 WCSP4 |
| CX24C128B | 128K bits | Two-wire Serial | 1.7~5.5V | DIP8 SOP8 TSSOP8 UDFN8 WCSP4 |
| CX24C256 | 256K bits | Two-wire Serial | 1.7~5.5V | DIP8 SOP8 TSSOP8 |
| CX24C512 | 512K bits | Two-wire Serial | 1.7~5.5V | SOP8 TSSOP8 DFN8 |
| CX24C512G | 513K bits | Two-wire Serial | 1.7~5.6V | SOP8 TSSOP8 DFN9 |
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