Texas Instruments

RM48L950DPGET

The Texas Instruments RM48L950DPGET is a low-power CMOS real-time clock (RTC) with integrated SRAM and I2C interface. It is designed to provide accurate timekeeping and nonvolatile data storage in a wide range of applications.

Description:

The RM48L950DPGET is a highly integrated RTC that combines a low-power 32.768 kHz crystal oscillator, a CMOS RTC, and up to 4K x 8-bit battery-backed SRAM in a compact 28-pin TSSOP package. It operates over a wide supply voltage range of 2.0V to 5.5V and has a typical current consumption of only 700 nA in standby mode.

Features:

1. Low-power 32.768 kHz crystal oscillator for accurate timekeeping
2. CMOS RTC with seconds, minutes, hours, day, date, month, and year information
3. Up to 4K x 8-bit battery-backed SRAM for nonvolatile data storage
4. I2C interface for easy communication with microcontrollers and other systems
5. Ultra-low power consumption in standby mode (700 nA typical)
6. Wide supply voltage range (2.0V to 5.5V)
7. Programmable square wave output for clock signals
8. Interrupt capability for alarm and power-fail events
9. Temperature range of -40°C to +85°C

Applications:

1. Embedded systems and industrial control applications
2. Consumer electronics, such as set-top boxes and smart home devices
3. Telecommunications equipment, including base stations and routers
4. Automotive infotainment systems and telematics units
5. Medical devices and healthcare equipment
6. Battery-powered devices, such as portable instruments and wearable devices
7. Data logging and event recording systems
8. Security systems, including access control and surveillance cameras

In summary, the Texas Instruments RM48L950DPGET is a versatile and low-power RTC with integrated SRAM and I2C interface, making it suitable for a wide range of applications requiring accurate timekeeping and nonvolatile data storage. Its compact form factor, low power consumption, and wide supply voltage range make it an ideal choice for space-constrained and battery-powered systems.