DS17885E-3
- Mfr.Part #
- DS17885E-3
- Manufacturer
- Analog Devices, Inc.
- Package / Case
- 28-TSSOP (0.465, 11.80mm Width)
- Datasheet
- Download
- Description
- IC RTC 3V 8K NV RAM 28-TSOP
- Stock
- 35,997
- In Stock :
- 35,997
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- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- Real Time Clocks
- Operating Supply Voltage :
- 3V
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Peak Reflow Temperature (Cel) :
- 260
- Time-Min :
- SECONDS
- Mounting Type :
- Surface Mount
- RoHS Status :
- ROHS3 Compliant
- Interrupt Capability :
- Y
- Clock Frequency :
- 0.032MHz
- Pbfree Code :
- yes
- Base Part Number :
- DS17885
- Date Format :
- YY-MM-DD-dd
- Length :
- 11.8mm
- ECCN Code :
- EAR99
- Lead Free :
- Lead Free
- Terminal Finish :
- Matte Tin (Sn)
- Feature :
- Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Current - Timekeeping (Max) :
- 2mA @ 2.7V~3.7V
- Logic Function :
- Clock
- Package / Case :
- 28-TSSOP (0.465, 11.80mm Width)
- Supply Voltage :
- 3V
- Time Format :
- HH:MM:SS (12/24 hr)
- Power Supplies :
- 3V
- Volatile :
- yes
- Number of Pins :
- 28
- JESD-609 Code :
- e3
- Voltage - Supply :
- 2.7V~3.7V
- Height Seated (Max) :
- 1.2mm
- Published :
- 2000
- External Data Bus Width :
- 8
- Number of Terminations :
- 28
- Packaging :
- Tray
- Radiation Hardening :
- No
- Terminal Position :
- Dual
- Operating Temperature :
- 0°C~70°C
- Interface :
- Parallel
- Voltage - Supply, Battery :
- 2.5V~3.7V
- Memory Size :
- 8kB
- Terminal Pitch :
- 0.55mm
- Number of Timers :
- 1
- Pin Count :
- 28
- Mount :
- Surface Mount
- HTS Code :
- 8542.39.00.01
- Type :
- Clock/Calendar
- Width :
- 8mm
- Datasheets
- DS17885E-3

Real Time Clocks Analog Devices, Inc. DS17885E-3 Overview
The Analog Devices, Inc. DS17885E-3 Real Time Clock (RTC) module integrates robust timekeeping functionalities with 8K bytes of non-volatile RAM, all encapsulated within a compact 28TSOP package. This device is engineered to provide reliable and long-term real-time data storage and retrieval, functioning efficiently across a wide voltage range of 3V. The DS17885E-3 is specifically designed to meet the stringent demands of high-end electronics, making it an ideal solution for applications requiring precise time and data management without external power sources.
DS17885E-3 Features
The DS17885E-3 includes numerous features that make it an indispensable component in advanced electronic systems:
- Real Time Clock (RTC) with integrated crystal oscillator ensuring high accuracy and reliability.
- 8 KB of non-volatile RAM for data storage that persists even when the main power is lost.
- Simple serial interface compatible with most microcontrollers for easy integration.
- Automatic leap year compensation and alarms that facilitate complex time-based operations.
- Operates over an industrial temperature range, making it suitable for a variety of environmental conditions.
DS17885E-3 Applications
- Data Logging Systems: The device's non-volatile RAM makes it perfect for use in systems requiring data to be logged over extended periods, such as environmental monitoring systems.
- Telecommunication: Utilized in network hardware like routers and switches for time-stamping logs and managing network time protocol.
- Industrial Control Systems: The RTC is crucial for timestamping events and processes, ensuring accurate tracking and scheduling of operations.
- Consumer Electronics: Used in devices such as smart home controllers, where accurate timekeeping is necessary to perform scheduled tasks reliably.
- Portable Medical Devices: In medical devices, accurate timekeeping is essential for maintaining treatment schedules and device logs.
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