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AT93C46-10SC
Features • Low-voltage and Standard-voltage Operation • • • • • • • – 5.0 (VCC = 4.5V to 5.5V) – 2.7 (VCC = 2.7V to 5.5V) – 2.5 (VCC = 2.5V to 5.5V) – 1.8 (VCC = 1.8V to 5.5V) User-selectable Internal Organization – 1K: 128 x 8 or 64 x 16 – 2K: 256 x 8 or 128 x 16 – 4K: 512 x 8 or 256 x 16 3-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 Automotive Grade and Extended Temperature Devices Available 8-lead PDIP, 8-lead JEDEC and EIAJ SOIC, and 8-lead TSSOP Packages 3-wire Serial EEPROMs 1K (128 x 8 or 64 x 16) 2K (256 x 8 or 128 x 16) 4K (512 x 8 or 256 x 16) Description The AT93C46/56/66 provides 1024/2048/4096 bits of serial electrically erasable programmable read only memory (EEPROM) organized as 64/128/256 words of 16 bits each, when the ORG pin is connected to VCC and 128/256/512 words of 8 bits each when it 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 AT93C46/56/66 is available in space-saving 8-lead PDIP and 8-lead JEDEC and EIAJ (continued) SOIC packages. AT93C46 AT93C56 AT93C66 Pin Configurations 8-lead PDIP Pin Name Function CS Chip Select SK Serial Data Clock DI Serial Data Input DO Serial Data Output GND Ground VCC Power Supply ORG Internal Organization DC Don’t Connect 1 2 3 4 CS SK DI DO VCC DC ORG GND 8 7 6 5 8-lead SOIC CS SK DI DO 8-lead SOIC Rotated (R) (1K JEDEC Only) 1 2 3 4 8 7 6 5 VCC DC ORG GND 8-lead TSSOP DC VCC CS SK 1 2 3 4 8 7 6 5 ORG GND DO DI CS SK DI DO 1 2 3 4 8 7 6 5 VCC DC ORG GND Rev. 0172O–08/01 1
ATMEL
Atmel Corporation
U.S.A
半導体製造販売(マイクロコントローラ、フラッシュメモリ)
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