規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Clock/Calendar |
| Features | Alarm, Leap Year |
| TimeFormat | HH:MM:SS (12/24 hr) |
| DateFormat | YY-MM-DD-dd |
| Interface | I²C, 2-Wire Serial |
| Voltage-Supply | 1.7V ~ 6V |
| Current-Timekeeping(Max) | 0.9µA ~ 2µA @ 3V ~ 6V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-LSSOP (0.173, 4.40mm Width) |
概述
Description
The RS5C372A-E2-F is a low-power, real-time clock (RTC) IC with an I²C interface, designed by Ricoh. It provides accurate timekeeping with minimal power consumption, making it ideal for battery-backed applications like IoT devices, wearables, and embedded systems.
Key features:
- Timekeeping: Tracks seconds, minutes, hours, day, month, and year (including leap years up to 2099).
- Low Power: Ultra-low current consumption (~0.35µA typ. at 3V).
- I²C Interface: Supports standard (100kHz) and fast (400kHz) modes.
- Alarms & Timers: Two programmable alarms and a timer interrupt function.
- Oscillator Stability: Built-in high-precision 32.768kHz crystal oscillator.
- Wide Voltage Range: Operates from 1.6V to 5.5V.
The E2-F variant includes specific packaging (e.g., SOP-8) and may offer extended temperature ranges or other minor enhancements. It’s commonly used in consumer electronics, industrial systems, and automotive applications requiring reliable timekeeping.
For detailed specs, refer to Ricoh’s datasheet.
Key features:
- Timekeeping: Tracks seconds, minutes, hours, day, month, and year (including leap years up to 2099).
- Low Power: Ultra-low current consumption (~0.35µA typ. at 3V).
- I²C Interface: Supports standard (100kHz) and fast (400kHz) modes.
- Alarms & Timers: Two programmable alarms and a timer interrupt function.
- Oscillator Stability: Built-in high-precision 32.768kHz crystal oscillator.
- Wide Voltage Range: Operates from 1.6V to 5.5V.
The E2-F variant includes specific packaging (e.g., SOP-8) and may offer extended temperature ranges or other minor enhancements. It’s commonly used in consumer electronics, industrial systems, and automotive applications requiring reliable timekeeping.
For detailed specs, refer to Ricoh’s datasheet.
Equivalent
The RS5C372A-E2-F is a real-time clock (RTC) chip. Equivalent alternatives include:
- PCF8563 (NXP)
- DS1307 (Maxim Integrated)
- MCP7940N (Microchip)
- RX-8025SA (Epson)
These offer similar I²C interfaces and RTC functionality. Verify pin compatibility and features like battery backup or alarms for your application.
- PCF8563 (NXP)
- DS1307 (Maxim Integrated)
- MCP7940N (Microchip)
- RX-8025SA (Epson)
These offer similar I²C interfaces and RTC functionality. Verify pin compatibility and features like battery backup or alarms for your application.
Features
The RS5C372A-E2-F is a low-power real-time clock (RTC) IC with the following key features:
- Low Power Consumption: Operates at 0.35 µA (typ.) at 3V.
- Wide Voltage Range: 1.6V to 5.5V operation.
- High Accuracy: ±5 ppm (typ.) with internal oscillator trimming.
- I²C Interface: Supports 400 kHz Fast-mode I²C communication.
- Timekeeping Functions: Seconds, minutes, hours, day, date, month, year (up to 2099).
- Alarms & Timers: Two programmable alarms, fixed-cycle timer.
- Oscillator Stop Detection: Flags power interruptions.
- Temperature Compensation: Enhances accuracy over varying temps.
- Small Package: 8-pin SOP (150-mil).
Ideal for battery-backed systems, IoT, and portable devices.
- Low Power Consumption: Operates at 0.35 µA (typ.) at 3V.
- Wide Voltage Range: 1.6V to 5.5V operation.
- High Accuracy: ±5 ppm (typ.) with internal oscillator trimming.
- I²C Interface: Supports 400 kHz Fast-mode I²C communication.
- Timekeeping Functions: Seconds, minutes, hours, day, date, month, year (up to 2099).
- Alarms & Timers: Two programmable alarms, fixed-cycle timer.
- Oscillator Stop Detection: Flags power interruptions.
- Temperature Compensation: Enhances accuracy over varying temps.
- Small Package: 8-pin SOP (150-mil).
Ideal for battery-backed systems, IoT, and portable devices.
Application
The RS5C372A-E2-F is a real-time clock (RTC) IC with low power consumption, commonly used in:
1. Consumer Electronics – Smartphones, digital cameras, wearables.
2. Industrial Systems – Automation, data loggers, sensors.
3. Automotive – Infotainment, dashboard clocks.
4. IoT Devices – Battery-powered smart devices.
5. PC Peripherals – Motherboards, embedded systems.
It provides accurate timekeeping, alarms, and calendar functions with I²C interface, making it suitable for compact, energy-efficient designs.
1. Consumer Electronics – Smartphones, digital cameras, wearables.
2. Industrial Systems – Automation, data loggers, sensors.
3. Automotive – Infotainment, dashboard clocks.
4. IoT Devices – Battery-powered smart devices.
5. PC Peripherals – Motherboards, embedded systems.
It provides accurate timekeeping, alarms, and calendar functions with I²C interface, making it suitable for compact, energy-efficient designs.
Package
The RS5C372A-E2-F is a real-time clock (RTC) IC packaged in a SOP-8 (Small Outline Package, 8-pin) form factor. This surface-mount package is compact and widely used for timekeeping applications in electronics. The "E2-F" suffix typically denotes specific manufacturer variations like lead-free (F) and other minor revisions.
