DS1670
Info: : PRODUCTION
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DS1670

Portable System Controller

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Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 3
1ku List Price Starting From $6.28
Features
  • Provides 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 Power-Control Circuitry Supports System Power-On from Day/Time Alarm
  • Microprocessor Monitor Halts Microprocessor During Power Fail Automatically Restarts Microprocessor after Power Failure Monitors Pushbutton for External Override Halts and Resets an Out-of-Control Microprocessor
  • NV RAM Control Automatic Battery Backup and Write Protection to External SRAM
  • 3-Channel, 8-Bit ADC
  • Simple 3-Wire Interface
  • 3.3V Operation
Additional Details
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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.

Part Models 3
1ku List Price Starting From $6.28

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
DS1670E+
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DS1670E+T&R
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DS1670S+
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Product Lifecycle

PCN

Dec 11, 2018

- 1754N

ASSEMBLY

DS1670E+

PRODUCTION

DS1670E+T&R

PRODUCTION

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PCN

Dec 11, 2018

- 1754N

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ASSEMBLY

DS1670E+

PRODUCTION

DS1670E+T&R

PRODUCTION

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