DS1670 Portable System Controller

The DS1670 portable system controller is a circuit that incorporates many of the functions necessary for low-power portable products integrated into one chip. The device provides a Real-Time Clock (RTC), NV RAM controller, Microprocessor monitor, and a 3-channel, 8-bit Analog-to-digital converter (ADC). Communication with the DS1670 is established through a simple 3-wire Interface
The RTC provides seconds, minutes, hours, day, date, month, and year information with leap year compensation. The RTC also provides an alarm interrupt. This interrupt works when the DS1670 is powered by the system power supply or when in battery-backup operation, so the alarm CAN be used to wake up a system that is powered down.
Automatic backup and write protection of an external SRAM is provided through the VCCO, active-low CEOL, and active-low CEOH pins. The backup energy source used to power the RTC is also used to retain RAM data in the absence of VCC through the VCCO pin. The chip-enable outputs to RAM (active-low CEOL and active-low CEOH) are controlled during power transients to prevent data corruption.
By Maxim Integrated Products
Part Manufacturer Description Datasheet Samples
DS1670S+ Maxim Integrated Products Real Time Clock, Volatile, 0 Timer(s), CMOS, PDSO20, 0.300 INCH, ROHS COMPLIANT, SOIC-20
DS1670E Maxim Integrated Products Real Time Clock, Volatile, 0 Timer(s), CMOS, PDSO20, 4.40 MM, TSSOP-20
DS1670S Maxim Integrated Products Real Time Clock, Volatile, 0 Timer(s), CMOS, PDSO20, 0.300 INCH, SOIC-20
DS1670E/T&R Maxim Integrated Products Real Time Clock, Volatile, 0 Timer(s), CMOS, PDSO20, 4.40 MM, TSSOP-20
DS1670 Maxim Integrated Products Real Time Clock, 0 Timer(s), CMOS, PDSO20, TSSOP-20
DS1670E+TRL Maxim Integrated Products Real Time Clock, Volatile, CMOS, PDSO20, 4.40 MM, ROHS COMPLIANT, TSSOP-20
DS1670E+T&R Maxim Integrated Products Real Time Clock, Volatile, 0 Timer(s), CMOS, PDSO20, 4.40 MM, TSSOP-20
DS1670E+ Maxim Integrated Products Real Time Clock, Volatile, 0 Timer(s), CMOS, PDSO20, 4.40 MM, ROHS COMPLIANT, TSSOP-20
DS1670 's PackagesDS1670 's pdf datasheet
DS1670S SOIC
DS1670ET-R TSSOP
DS1670E TSSOP
DS1670E-T-R TSSOP




DS1670 Pinout, Pinouts
DS1670 pinout,Pin out
This is one package pinout of DS1670,If you need more pinouts please download DS1670's pdf datasheet.

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