251M-29LF
- Mfr.Part #
- 251M-29LF
- Manufacturer
- Intersil (Renesas Electronics Corporation)
- Package / Case
- 1411 (3528 Metric)
- Datasheet
- Download
- Description
- IC RTC CLK/CALENDAR I2C
- Stock
- 44,703
- In Stock :
- 44,703
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- Manufacturer :
- Intersil (Renesas Electronics Corporation)
- Product Category :
- Clock Generators, PLLs, Frequency Synthesizers
- ESR (Equivalent Series Resistance) :
- 900mOhm
- PLL :
- yes
- Features :
- GENERAL PURPOSE
- Package :
- Tape and Reel (TR)
- Lead Spacing :
- -
- Mounting Type :
- Surface Mount
- Size / Dimension :
- 0.138 L x 0.110 W (3.50mm x 2.80mm)
- Ratings :
- -
- Input :
- Clock, Crystal
- Voltage - Rated :
- 25 V
- Series :
- TC
- Manufacturer Size Code :
- B
- Capacitance :
- 4.7 µF
- Product Status :
- Active
- Package / Case :
- 1411 (3528 Metric)
- Failure Rate :
- -
- Type :
- Molded
- Output :
- CMOS
- Supplier Device Package :
- 8-SOIC
- Divider/Multiplier :
- Yes/No
- Lifetime @ Temp. :
- 2000 Hrs @ 125°C
- Height - Seated (Max) :
- 0.083 (2.10mm)
- Number of Circuits :
- 1
- Differential - Input:Output :
- No/No
- Operating Temperature :
- -55°C ~ 125°C
- Voltage - Supply :
- 3.15V ~ 3.45V
- Tolerance :
- ±20%
- Ratio - Input:Output :
- 1:1
- Frequency - Max :
- 200MHz
- Datasheets
- 251M-29LF

Clock Generators, PLLs, Frequency Synthesizers Intersil (Renesas Electronics Corporation) 251M-29LF Overview
Introducing the Clock Generators, PLLs, Frequency Synthesizers Intersil (Renesas Electronics Corporation) 251M-29LF, a cutting-edge Integrated Circuit (IC) designed for real-time clock (RTC) and calendar applications. This product combines high functionality and reliable performance, ensuring accurate time and date management across a variety of applications. Its integration with I2C communication protocol facilitates easy implementation and scalability in complex systems. This IC is ideal for manufacturers looking to incorporate precise timekeeping and efficient calendar functionalities in their electronic products.
251M-29LF Features
The 251M-29LF IC offers robust features that enhance its usability in electronics. Key features include low power consumption, which extends battery life in portable devices, and a wide operating temperature range, making it suitable for diverse environmental conditions. The device's compact form factor allows for seamless integration into space-constrained applications, while its I2C interface provides straightforward connectivity and configuration options.
251M-29LF Applications
- Consumer Electronics: Used in devices such as smart watches and home automation systems, where accurate timekeeping is crucial.
- Enterprise Solutions: Integrates into server clocks and network time protocol (NTP) servers to ensure synchronization across various systems and devices.
- Automotive Systems: Employs in dashboard clocks and navigation systems to provide consistent time-based data for enhanced functionality.
- Portable Devices: Essential for maintaining time in portable medical devices, ensuring record accuracy and device functionality.
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Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
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| Part | Manufacturer | Stock | Description |
|---|---|---|---|
| 251M-29LFT | Intersil (Renesas Electronics Corporation) | 34,459 | IC RTC CLK/CALENDAR I2C |
| 251M-38LF | Intersil (Renesas Electronics Corporation) | 582 | MULTIMKT-TIMING |
















