AT93C46 1Kbit,3线串行EEPROM存储器

1Kbit, 3-wire Bus Serial Automotive EEPROM, supports x8 or x16 data format memory organization.

The AT93C46 provides 1024 bits of serial electrically erasable programmable read only memory (EEPROM) organized as 64 words of 16 bits each, when the ORG pin is connected to VCC and 128 words of 8 bits each when it is tied to ground. The device is optimized for use in many automotive applications where low power and low voltage operations are essential. The AT93C46 is available in space-saving 8-lead TSSOP and 8-lead JEDEC SOIC packages. The AT93C46 is enabled through the Chip Select pin (CS), and accessed via a 3-wire serial interface consisting of Data Input (DI), Data Output (DO), and Shift Clock (SK). Upon receiving a Read instruction at DI, the address is decoded and the data is clocked out serially on the data output pin DO. The WRITE cycle is completely self-timed and no separate erase cycle is required before write. The Write cycle is only enabled when it is in the Erase/Write Enable state. When CS is brought “high” following the initiation of a write cycle, the DO pin outputs the Ready/Busy status.

AT93C46 特性

• Medium-voltage and Standard-voltage Operation
  – 2.7 (VCC = 2.7V to 5.5V)
• User-selectable Internal Organization
  – 1K: 128 x 8 or 64 x 16
• Three-wire Serial Interface<
• 2 MHz Clock Rate (5V)
• Self-timed Write Cycle (10 ms max)
• High Reliability
  – Endurance: 1 Million Write Cycles
  – Data Retention: 100 Years>
• 8-lead TSSOP and 8-lead JEDEC SOIC Packages

AT93C46 订货型号：

AT93C46 技术支持：

1. ATMEL 爱特梅尔汽车级EEPROM 存储器AT93C46 数据手册DataSheet 下载. PDF（PDF 文件格式完整版）
2. 串行EEPROM 产品选型指南（ Excel 文档格式）
3. Interfacing AT93CXXX Serial EEPROMs with AT89CX051 MCU (4 pages, updated 10/98)
   This Application Note demonstrates interfacing AT89CX051 Microcontrollers to the AT93CXX 3-Wire type of Serial EEPROMs.
4. 中文版ATMEL 汽车应用解决方案 . pdf
5. 英文版ATMEL 汽车应用解决方案 . pdf
6. 嵌入式系统中EEPROM文件系统的设计与实现 . PDF
7. ATMEL 爱特梅尔公司全线产品目录. pdf