DS1615

www.DataSheet4U.com DS1615 Temperature Recorder www.dalsemi.com FEATURES Digital thermometer measures temperature -40°C to +85°C in 0.5°C increments (-40°F to +183.2°F in 0.9°F increments) Digital thermometer provides ±2°C accuracy Real Time Clock/Calendar in BCD format counts seconds, minutes, hours, date, month, day of the week, and year with leap year compensation (Y2K compatible) Automatically wakes up and measures temperature at user-programmable intervals from 1 to 255 minutes Logs up to 2048 consecutive temperature measurements in read-only nonvolatile memory Records long-term temperature histogram in 63 bins with 2.0°C resolution Programmable temperature-high and temperature-low alarm trip points Two serial interface options: synchronous and asynchronous - 3-wire synchronous serial interface - Asynchronous serial interface compatible with standard UARTs Memory partitioned into 32-byte pages for packetizing data On-chip 16-bit CRC generator to safeguard data read operations in asynchronous communications mode Unique, factory lasered and tested 64-bit serial number PIN ASSIGNMENT VBAT X1 X2 NC INSPEC OUTSPEC INT GND 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VCC COMSEL RX TX SCLK I/O RST ST DS1615 16-Pin DIP DS1615S 16-Pin SOIC (300 mil) Top View BUMP 5 BUMP 1 BUMP 21 BUMP 17 DS1615X Flip Chip Package Bottom View PIN DESCRIPTION Vbat X1 X2 NC INSPEC OUTSPEC INT GND ST RST I/O SCLK TX RX COMSEL VCC - Battery Supply - Crystal Input - Crystal Output - No Connect - I...