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CAT24C256WI-G 데이터시트(PDF) 1 Page - ON Semiconductor |
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CAT24C256WI-G 데이터시트(HTML) 1 Page - ON Semiconductor |
1 / 18 page © Semiconductor Components Industries, LLC, 2012 October, 2012 − Rev. 13 1 Publication Order Number: CAT24C256/D CAT24C256 256 kb I2C CMOS Serial EEPROM Description The CAT24C256 is a 256 kb Serial CMOS EEPROM, internally organized as 32,768 words of 8 bits each. It features a 64−byte page write buffer and supports the Standard (100 kHz), Fast (400 kHz) and Fast−Plus (1 MHz) I2C protocol. Write operations can be inhibited by taking the WP pin High (this protects the entire memory). External address pins make it possible to address up to eight CAT24C256 devices on the same bus. On−Chip ECC (Error Correction Code) makes the device suitable for high reliability applications.* Features • Supports Standard, Fast and Fast−Plus I2C Protocol • 1.8 V to 5.5 V Supply Voltage Range • 64−Byte Page Write Buffer • Hardware Write Protection for Entire Memory • Schmitt Triggers and Noise Suppression Filters on I2C Bus Inputs (SCL and SDA) • Low Power CMOS Technology • 1,000,000 Program/Erase Cycles • 100 Year Data Retention • Industrial and Extended Temperature Range • PDIP, SOIC, TSSOP, MSOP 8−Lead and TDFN, UDFN 8−Pad Packages • This Device is Pb−Free, Halogen Free/BFR Free, and RoHS Compliant Figure 1. Functional Symbol SDA SCL WP CAT24C256 VCC VSS A2, A1, A0 * Available for New Product (Rev. E) http://onsemi.com PIN CONFIGURATION SDA WP VCC VSS A2 A1 A0 1 See detailed ordering and shipping information in the package dimensions section on page 18 of this data sheet. ORDERING INFORMATION SOIC−8 W SUFFIX CASE 751BD SOIC−8 X SUFFIX CASE 751BE SCL PDIP (L), SOIC (W, X), TSSOP (Y), TDFN (ZD2)**, UDFN (HU4), MSOP (Z) PDIP−8 L SUFFIX CASE 646AA TSSOP−8 Y SUFFIX CASE 948AL Device Address A0, A1, A2 Serial Data SDA Serial Clock SCL Write Protect WP Power Supply VCC Ground VSS Function Pin Name† PIN FUNCTION For the location of Pin 1, please consult the corresponding package drawing. TDFN−8** ZD2 SUFFIX CASE 511AM UDFN−8 HU4 SUFFIX CASE 517AZ ** Not recommended for new designs MSOP−8 Z SUFFIX CASE 846AD †The exposed pad for the TDFN/UDFN packages can be left floating or connected to Ground. |
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