DS1670E
- Mfr.Part #
- DS1670E
- Manufacturer
- Analog Devices, Inc.
- Package / Case
- 20-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- IC RTC SYSTEM CTRLR SER 20-TSSOP
- Stock
- 16,194
- In Stock :
- 16,194
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- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- Real Time Clocks
- External Data Bus Width :
- 1
- Date Format :
- YY-MM-DD-dd
- Feature :
- Alarm, Leap Year, Watchdog Timer
- RoHS Status :
- ROHS3 Compliant
- Terminal Position :
- Dual
- Additional Feature :
- 3-CHANNEL, 8-BIT ADC
- Number of Pins :
- 20
- REACH SVHC :
- Unknown
- Contact Plating :
- Tin
- Length :
- 6.5mm
- Termination :
- SMD/SMT
- Operating Temperature :
- 0°C~70°C
- Number of Terminations :
- 20
- JESD-609 Code :
- e3
- Interrupt Capability :
- Y
- Terminal Pitch :
- 0.65mm
- Pin Count :
- 20
- Time Format :
- HH:MM:SS (12/24 hr)
- Published :
- 2005
- Number of Outputs :
- 1
- Packaging :
- Tube
- Logic Function :
- Clock
- Information Access Method :
- SERIAL, 3-WIRE
- Peak Reflow Temperature (Cel) :
- 260
- Voltage - Supply, Battery :
- 2.5V~3.7V
- Mounting Type :
- Surface Mount
- Base Part Number :
- DS1670
- Interface :
- 3-Wire Serial
- ECCN Code :
- EAR99
- Supply Voltage :
- 3.3V
- Frequency :
- 32.768kHz
- Package / Case :
- 20-TSSOP (0.173, 4.40mm Width)
- Type :
- Portable System Controller
- Operating Supply Voltage :
- 3.3V
- Radiation Hardening :
- No
- Factory Lead Time :
- 6 Weeks
- Width :
- 4.4mm
- Voltage - Supply :
- 2.97V~3.63V
- Current - Timekeeping (Max) :
- 100μA @ 3.3V
- Mount :
- Surface Mount
- Time-Min :
- SECONDS
- Lead Free :
- Lead Free
- Volatile :
- yes
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Pbfree Code :
- yes
- Datasheets
- DS1670E
DS1670E Documents

Real Time Clocks Analog Devices, Inc. DS1670E Overview
The DS1670E by Analog Devices, Inc. is a robust Real Time Clocks system controller designed to meet the needs of complex embedded systems. Offering both timekeeping and system management capabilities, the DS1670E is particularly well-suited for managing vital functions such as power-fail detection and automatic switch-over to battery backup, ensuring consistent operation and reliability. This IC integrates a real-time clock/calendar and power-on reset functionality, housed in a compact 20-TSSOP package, making it an ideal choice for applications requiring precise time and system management in space-constrained environments.
DS1670E Features
The DS1670E features include serial communication interface, full clock and calendar functionality with an alarm, programmable square-wave output, and low power consumption. It supports a wide voltage range and includes a power-fail circuit that switches to backup battery upon main power loss. This component also provides an automatic restart and a watchdog timer to enhance system stability and reliability.
DS1670E Applications
- Telecommunication Systems: Integrates with telecom infrastructure to ensure continuous time tracking and system operations, particularly during power failures.
- Industrial Systems: Offers reliable timekeeping and system management for manufacturing processes, ensuring synchronized operations and safety compliance.
- Networking Equipment: Used in routers and switches for time-stamping and managing log entries, critical for fault diagnosis and network management.
- Portable Medical Devices: Ensures accurate timekeeping in devices such as wearable health monitors, which require precise scheduling of measurements and medication alerts.
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