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DS4302U-019 Datasheet(PDF) 8 Page - Maxim Integrated Products |
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DS4302U-019 Datasheet(HTML) 8 Page - Maxim Integrated Products |
8 / 8 page 2-Wire, 5-Bit DAC with Three Digital Outputs Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 8 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2004 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products. DALLAS is a registered trademark of Dallas Semiconductor Corporation. 2-Wire Communication Writing to a Slave: The master must generate a START condition, write the slave address (R/W = 0), write the memory address, write the byte of data, and generate a STOP condition. Remember the master must read the slave’s acknowledgement during all byte-write opera- tions. See Figure 2 for the write command example. Reading from a Slave: To read from the slave, the master generates a START condition, writes the slave address with R/W = 1, receives an ACK from the slave, reads a memory address of 00h from the slave, sends an ACK to the slave, reads the data byte, then sends an ACK to indicate the end of the transfer, and gener- ates a STOP condition. See Figure 2 for the read com- mand example. Application Information Power-Supply Decoupling To achieve the best results when using the DS4302, decouple the power supply with a 0.01µF or a 0.1µF capacitor. Use high-quality, ceramic, surface-mount capacitors, and mount the capacitors as close as pos- sible to the VCC and GND pins of the DS4302 to mini- mize lead inductance. SDA and SCL Pullup Resistors Pullup resistor values for SDA and SCL should be cho- sen to ensure that the rise and fall times listed in the AC electrical characteristics are within specification. Package Information For the latest package outline information, go to www.maxim-ic.com/DallasPackInfo. Chip Information TRANSISTOR COUNT: 2428 SUBSTRATE CONNECTED TO GROUND |
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