Product Summary

The DS1307ZN Real Time Clock is a low power, full BCD clock/calendar plus 56 bytes of nonvolatile SRAM. The DS1307ZN provides seconds, minutes, hours, day, date, month, and year information. The DS1307ZN has a built-in power sense circuit which detects power failures and automatically switches to the battery supply.

Parametrics

DS1307ZN absolute maximum ratings: (1) Voltage on Any Pin Relative to Ground: -0.5V to +7.0V; (2) Operating Temperature:0°C to 70°C (-40°C to 85°C for industrial) ; (3) Storage Temperature: -55°C to +125°C; (4) Soldering Temperature: 260°C for 10 seconds DIP See JPC/JEDEC Standard J-STD-020A for Surface Mount Devices.

Features

DS1307ZN features: (1) Realtime clock counts seconds,minutes,hours, date of the month, month, day of the week, and year with leap year compensation valid up to 2100; (2) 56 byte nonvolatile RAM for data storage; (3) 2-wire serial interface; (4) Programmable squarewave output signal; (5) Automatic power-fail detect and switch circuitry; (6) Optional industrial temperature range: -40°C to +85°C.

Diagrams

DS1307ZN Pin Configuration

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
DS1307ZN
DS1307ZN
Maxim Integrated Products
Real Time Clock 64x8 Serial I2C RTC
Data Sheet
0-6910: $1.49
DS1307ZN/T&R
DS1307ZN/T&R
Maxim Integrated Products
Real Time Clock 64x8 Serial I2C RTC
Data Sheet
0-2500: $1.09
2500-7480: $1.09
DS1307ZN+
DS1307ZN+
Maxim Integrated Products
Real Time Clock 64x8 Serial I2C RTC
Data Sheet
0-1: $2.79
1-25: $1.87
25-50: $1.36
50-100: $1.34
DS1307ZN+T&R
DS1307ZN+T&R
Maxim Integrated Products
Real Time Clock 64x8 Serial I2C RTC
Data Sheet
0-1: $2.13
1-25: $2.01
25-50: $1.36
50-100: $1.00
DS1307ZN+T&R/C02
DS1307ZN+T&R/C02
Maxim Integrated Products
Real Time Clock 64x8 Serial I2C RTC
Data Sheet
0-1980: $0.94
1980-2500: $0.94
DS1307ZN+TR
DS1307ZN+TR
Other

Data Sheet
Negotiable