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PT7C4302WEX +BOM

Compact and efficient SOIC package for easy integration into various systems

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Tel: +852 95804164

Real Time Clock (RTC) IC Clock/Calendar 31B 3-Wire Serial 8-SOIC (0.154", 3.90mm Width)

Using external 32.768kHz quartz crystal
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 2099
31-byte, nonvolatile (NV) RAM for data storage
Time keeping voltage: 1.5V to 5.5V
Uses less than 300nA at 2.0V
Simple 3-wire interface
Serial I/O for minimum pin count
Burst mode for reading/writing successive addresses in clock/RAM
TTL-compatible (VCC = 5V)
Optional industrial temperature range: -40°C to +85°C
Battery backup
Trickle charger on chip for rechargeable energy source backup

Category	Integrated Circuits (ICs)Clock/TimingReal Time Clocks	Series	-
Programmable	Not Verified	Type	Clock/Calendar
Features	Leap Year, NVSRAM, Square Wave Output, Trickle-Charger	Memory Size	31B
Time Format	HH:MM:SS (12/24 hr)	Date Format	YY-MM-DD-dd
Interface	3-Wire Serial	Voltage - Supply	1.2V ~ 5.5V
Voltage - Supply, Battery	1.5V ~ 5.5V	Current - Timekeeping (Max)	25.3µA ~ 81µA @ 2V ~ 5V
Operating Temperature	-40°C ~ 85°C	Mounting Type	Surface Mount
Base Product Number	PT7C4302