Trickle Charge Timekeeping Chip
TIGER ELECTRONIC CO.,LTD
Trickle Charge Timekeeping Chip
FEATURES
Real time clock counts seconds, minutes hours, date of...
Description
TIGER ELECTRONIC CO.,LTD
Trickle Charge Timekeeping Chip
FEATURES
Real time clock counts seconds, minutes hours, date of the month, month, day of the week, and year with leap year compensation valid up to 2100 31 x 8 RAM for scratchpad data storage Serial I/O for minimum pin count 2.0–5.5V full operation Uses less than 300 nA at 2.0V Single–byte or multiple–byte (burst mode) data transfer for read or write of clock or RAM data 8–pin DIP or optional 8–pin SOICs for surface mount Simple 3–wire interface TTL–compatible (VCC = 5V) Optional industrial temperature range –40°C to +85°C DS1202 compatible Recognized by Underwriters Laboratory
DS1302
PIN ASSIGNMENT
VCC2 X1 X2 GND 1 2 3 4 8 7 6 5 VCC1 SCLK I/O RST
DS1302 8-Pin DIP (300 mil)
VCC2 X1 X2 GND 1 2 3 4 8 7 6 5 VCC1 SCLK I/O RST
DS1302S 8-Pin SOIC (200 mil) DS1302Z 8-Pin SOIC (150 mil)
VCC2 NC X1 NC X2 NC NC GND 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VCC1 NC SCLK NC I/O NC NC
RST
ORDERING INFORMATION
PART # DS1302 DS1302N DS1302S DS1302SN DS1302Z DS1302ZN DS1302S-16 DS1302SN-16 DESCRIPTION 8–Pin DIP 8-Pin DIP (Industrial) 8–Pin SOIC (200 mil) 8–Pin SOIC (Industrial) 8–Pin SOIC (150 mil) 8–Pin SOIC (Industrial) 16-Pin SOIC (300 mil) 16-Pin SOIC (Industrial)
16-Pin SOIC
PIN DESCRIPTION
X1, X2 GND
RST
– 32.768 kHz Crystal Pins – Ground – Reset – Data Input/Output – Serial Clock – Power Supply Pins
I/O SCLK VCC1, VCC2
DESCRIPTION
The DS1302 Trickle Charge Timekeeping Chip contains a real time clock/calendar and 31 bytes ...
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