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CAT24C21UITE13 データシート(PDF) 1 Page - Catalyst Semiconductor |
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CAT24C21UITE13 データシート(HTML) 1 Page - Catalyst Semiconductor |
1 / 12 page 1 CAT24C21 1-kb Dual Mode Serial EEPROM for VESA ™ "Plug-and-Play" * Catalyst Semiconductor is licensed by Philips Corporation to carry the I2C Bus Protocol. FUNCTIONAL SYMBOL FEATURES s DDC1TM/DDC2TM interface compliant for monitor identification s 400 kHz I2C bus compatible* s 2.5 to 5.5 volt operation s 16-byte page write buffer s Hardware write protect s Low power CMOS technology s 1,000,000 program/erase cycles s 100 year data retention s 8-pin DIP, SOIC, TSSOP, MSOP or TDFN packages s Industrial temperature range DESCRIPTION The CAT24C21 is a 1-kb Serial CMOS EEPROM internally organized as 128 words of 8 bits each. The device complies with the Video Electronics Standard Association's (VESA™), Display Data Channel (DDC™) standards for "Plug-and-Play" monitors. The "transmit- only" mode (DDC1™) is controlled by the VCLK clock input and the "bi-directional" mode (DDC2™) is controlled © 2004 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice Doc. No. 1032, Rev. O ALO GEN FR TM LEAD FREE by the SCL clock input, with both modes sharing a common SDA input/output (I/O). The transmit-only mode is a read-only mode, while the bi-directional mode is a read and write mode following the I2C protocol. In write mode the CAT24C21 features a 16-byte page write buffer. The device is available in 8-in DIP, SOIC, TSSOP, MSOP and TDFN packages. PIN FUNCTIONS Pin Name Function NC No Connect SDA Serial Data/Address SCL Serial Clock (bi-directional mode) VCLK Serial Clock (transmit-only mode) VCC Power Supply VSS Ground PIN CONFIGURATION DIP Package (P, L) SOIC Package (J, W) TSSOP Package (U, Y) MSOP Package (R, Z) VCC SCL SDA 1 2 3 4 8 7 6 5 VSS VCLK NC NC NC TDFN Package (RD4, ZD4) 3 mm x 3 mm Top View 8 7 6 5 VCC VCLK SCL SDA VSS 1 2 3 4 NC NC NC 8 7 6 5 1 2 3 4 NC NC NC VSS VCC VCLK SCL SDA VCC VCLK SCL SDA 1 2 3 4 8 7 6 5 VSS NC NC NC VCC VCLK SCL SDA 1 2 3 4 8 7 6 5 VSS NC NC NC VCC VSS SDA SCL VCLK CAT24C21 |
同様の部品番号 - CAT24C21UITE13 |
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同様の説明 - CAT24C21UITE13 |
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