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24LCS62 Datasheet(PDF) 1 Page - Microchip Technology |
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24LCS62 Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 16 page  © 1997 Microchip Technology Inc. Preliminary DS21226A-page 1 M 24LCS61/24LCS62 PRODUCT OFFERING FEATURES • Low power CMOS technology - 1 mA active current typical - 10 µA standby current typical at 5.5V • Software addressability allows up to 255 devices on the same bus • 2-wire serial interface bus, I2C compatible • Automatic bus arbitration • Wakes up to control code 0110 • General purpose output pin can be used to enable other circuitry • 100 kHz and 400 kHz compatibility • Page-write buffer for up to 16 bytes • 10 ms max write cycle time for byte or page write • 10,000,000 erase/write cycles guaranteed • 8-pin PDIP, SOIC or TSSOP packages • Temperature ranges supported: DESCRIPTION The Microchip Technology Inc. 24LCS61/62 is a 1K/2K bit Serial EEPROM developed for applications that require many devices on the same bus but do not have the I/O pins required to address each one individually. These devices contain an 8 bit address register that is set upon power-up and allows the connection of up to 255 devices on the same bus. When the process of assigning ID values to each device is in progress, the device will automatically handle bus arbitration if more than one device is operating on the bus. In addition, an external open drain output pin is available that can be used to enable other circuitry associated with each individual system. Low current design permits opera- tion with typical standby and active currents of only 10 µA and 1 mA respectively. The device has a page- write capability for up to 16 bytes of data. The device is available in the standard 8-pin PDIP, SOIC (150 mil), and TSSOP packages. PACKAGE TYPES BLOCK DIAGRAM Device Array Size Voltage Range Software Write Protection 24LCS61 1K bits 2.5V-5.5V Entire Array 24LCS62 2K bits 2.5V-5.5V Lower Half - Commercial (C): 0 °C to +70°C - Industrial (I): -40 °C to +85°C PDIP NC NC EDS Vss Vcc NC SCL SDA 1 2 3 4 8 7 6 5 NC NC EDS Vss VCC NC SCL SDA 1 2 3 4 8 7 6 5 SOIC TSSOP NC NC EDS VSS Vcc NC SCL SDA 1 2 3 4 8 7 6 5 I/O Control Logic Memory Control Logic XDEC HV Generator EEPROM Array YDEC Vcc Vss SENSE AMP R/W CONTROL SDA SCL EDS ID Register Serial Number 1K/2K Software Addressable I2C™ Serial EEPROM I2C is a trademark of Philips Corporation. |
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