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1. Features
? Low-voltage and Standard-voltage Operation
– 2.7 (V CC = 2.7V to 5.5V)
– 1.8 (V CC = 1.8V to 5.5V)
?
?
User-selectable Internal Organization
– 2K: 256 x 8 or 128 x 16
– 4K: 512 x 8 or 256 x 16
Three-wire Serial Interface
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?
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Sequential Read Operation
2 MHz Clock Rate (5V)
Self-timed Write Cycle (10 ms Max)
High Reliability
– Endurance: 1 Million Write Cycles
– Data Retention: 100 Years
Automotive Devices Available
8-lead JEDEC PDIP, 8-lead JEDEC SOIC, 8-lead EIAJ SOIC, 8-lead Ultra Thin mini-MAP
(MLP 2x3), 8-lead Ultra Lead Frame Land Grid Array (ULA), 8-lead TSSOP and 8-ball
dBGA2 Packages
Three-wire
Serial
EEPROM
2K (256 x 8 or 128 x 16)
4K (512 x 8 or 256 x 16)
2. Description
The AT93C56A/66A provides 2048/4096 bits of serial electrically erasable program-
mable read-only memory (EEPROM) organized as 128/256 words of 16 bits each
(when the ORG pin is connected to VCC) and 256/512 words of 8 bits each (when the
ORG pin is tied to ground). The device is optimized for use in many industrial and
commercial applications where low-power and low-voltage operations are essential.
The AT93C56A/66A is available in space-saving 8-lead PDIP, 8-lead JEDEC SOIC, 8-
lead EIAJ SOIC, 8-lead Ultra Thin mini-MAP (MLP 2x3) , 8-lead Ultra Lead Frame Land
Grid Array (ULA), 8-lead TSSOP, and 8-ball dBGA2 packages.
The AT93C56A/66A is enabled through the Chip Select pin (CS) and accessed via a
three-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
AT93C56A
AT93C66A
Not Recommended
for New Design.
Replaced by
AT93C56B or
AT93C66B.
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 the part 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 of
the part.
The AT93C56A/66A is available in 2.7V to 5.5V and 1.8V to 5.5V versions.
3378O–SEEPR–11/09
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相关代理商/技术参数
AT93C56A-10TU-2.7-RET
制造商:Atmel Corporation 功能描述:
AT93C56A-10TU-2.7-T
功能描述:IC EEPROM 2KBIT 2MHZ 8TSSOP 制造商:microchip technology 系列:- 包装:带卷（TR） 零件状态:停產 存储器类型:非易失 存储器格式:EEPROM 技术:EEPROM 存储容量:2Kb （256 x 8，128 x 16） 时钟频率:2MHz 写周期时间 - 字，页:10ms 存储器接口:SPI 电压 - 电源:2.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C（TA） 安装类型:表面贴装 封装/外壳:8-TSSOP（0.173"，4.40mm 宽） 供应商器件封装:8-TSSOP 基本零件编号:AT93C56 标准包装:5,000
AT93C56AD3-10DH-1.8
制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Three-wire Serial EEPROM
AT93C56AU3-10UI-1.8
制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:3-wire Serial EEPROMs 2K (256 x 8 or 128 x 16)
AT93C56AU3-10UI-2.7
制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:3-wire Serial EEPROMs 2K (256 x 8 or 128 x 16)
AT93C56AU3-10UU-1.8
功能描述:电可擦除可编程只读存储器 Serial 电可擦除可编程只读存储器
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
AT93C56A-W1.8-11
制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Three-wire Serial EEPROM
AT93C56AW-10SI-1.8
功能描述:IC EEPROM 2KBIT 2MHZ 8SOIC 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
