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DS1305E+TR Datasheet(PDF) 1 Page - Maxim Integrated Products |
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DS1305E+TR Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 22 page 1 of 22 FEATURES Real-Time Clock (RTC) Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to 2100 96-Byte, Battery-Backed NV RAM for Data Storage Two Time-Of-Day Alarms, Programmable on Combination of Seconds, Minutes, Hours, and Day of the Week Supports Motorola SPI™ (Serial Peripheral Interface) Modes 1 and 3 or Standard 3-Wire Interface Burst Mode for Reading/Writing Successive Addresses in Clock/RAM Dual-Power Supply Pins for Primary and Backup Power Supplies Optional Trickle Charge Output to Backup Supply 2.0V to 5.5V Operation Optional Industrial Temperature Range: - C to +85C Available in Space-Efficient, 20-Pin TSSOP Package Underwriters Laboratory (UL) Recognized PIN CONFIGURATIONS TYPICAL OPERATING CIRCUIT www.maxim-ic.com DS1305 Serial Alarm Real-Time Clock SPI is a trademark of Motorola, Inc. VCC2 1 16 VCC1 VBAT 2 15 PF X1 3 14 VCCIF X2 4 13 SDO N.C. 5 12 SDI INT0 6 11 SCLK INT1 7 10 CE GND 8 9 SERMODE DIP (300 mils) DS1305 VCC2 1 20 VCC1 VBAT 2 19 N.C. X1 3 18 PF N.C. 4 17 VCCIF X2 5 16 SD0 N.C. 6 15 SDI INT0 7 14 SCLK N.C. 8 13 N.C. INT1 9 12 CE GND 10 11 SERMODE DS1305 TSSOP (4.4mm) TOP VIEW 19-5055; Rev 12/09 |
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