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MC146823FN from MOT,Motorola

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MC146823FN

Manufacturer: MOT

V(dd): -0.3 to +8.0V; V(in): -0.5 to +0.5V; 10mA; CMOS parallel interface

Partnumber Manufacturer Quantity Availability
MC146823FN MOT 130 In Stock

Description and Introduction

V(dd): -0.3 to +8.0V; V(in): -0.5 to +0.5V; 10mA; CMOS parallel interface The MC146823FN is a real-time clock (RTC) and calendar chip manufactured by Motorola (now part of NXP Semiconductors). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Manufacturer:**  
- **MOT** (Motorola)  

### **Specifications:**  
- **Type:** Real-Time Clock (RTC) with Calendar  
- **Package:** 20-Pin Plastic DIP (FN)  
- **Supply Voltage:** 2.5V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Timekeeping Accuracy:** Adjustable via external crystal  
- **Clock Frequency:** 32.768 kHz (standard watch crystal)  
- **Battery Backup Support:** Yes (for timekeeping during power loss)  

### **Descriptions:**  
- The MC146823FN is a low-power CMOS real-time clock with a built-in calendar function.  
- It provides seconds, minutes, hours, day, date, month, and year information.  
- Includes alarm functionality with programmable interrupts.  
- Features a watchdog timer and a square-wave output.  
- Supports 12-hour or 24-hour time format.  

### **Features:**  
- **Timekeeping Functions:**  
  - Seconds, minutes, hours, day, date, month, year (including leap year correction)  
- **Alarm Function:** Programmable with interrupt capability  
- **Watchdog Timer:** Configurable timeout period  
- **Square-Wave Output:** Programmable frequency (e.g., 1Hz, 4kHz, 32kHz)  
- **Low Power Consumption:** Suitable for battery-backed applications  
- **Battery Backup Support:** Maintains timekeeping during main power loss  
- **Interface:** Parallel (8-bit data bus)  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

V(dd): -0.3 to +8.0V; V(in): -0.5 to +0.5V; 10mA; CMOS parallel interface
Partnumber Manufacturer Quantity Availability
MC146823FN N/A 335 In Stock

Description and Introduction

V(dd): -0.3 to +8.0V; V(in): -0.5 to +0.5V; 10mA; CMOS parallel interface The MC146823FN is a real-time clock (RTC) and calendar chip manufactured by N/A. Below are its specifications, descriptions, and features based on available factual information:

### **Specifications:**
- **Supply Voltage:** 4.5V to 5.5V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Clock Frequency:** 32.768 kHz (typical for RTC applications)  
- **Timekeeping Accuracy:** Dependent on crystal accuracy  
- **Interface:** Parallel (8-bit data bus)  
- **Package Type:** 28-pin PLCC (Plastic Leaded Chip Carrier)  

### **Descriptions:**
- The MC146823FN is a real-time clock/calendar IC designed for timekeeping applications.  
- It includes counters for seconds, minutes, hours, day of the week, date, month, and year, with leap-year compensation.  
- The device operates with an external 32.768 kHz crystal oscillator for precise timekeeping.  

### **Features:**
- **Timekeeping Functions:** Tracks seconds, minutes, hours, day, date, month, and year.  
- **Leap-Year Compensation:** Automatically adjusts for leap years up to the year 2099.  
- **Battery Backup Support:** Can be connected to a backup battery to maintain timekeeping during power loss.  
- **Programmable Alarms:** Supports alarm functions with interrupt capability.  
- **Square Wave Output:** Provides a programmable frequency output signal.  
- **Low Power Consumption:** Suitable for battery-backed applications.  

This information is based solely on the technical specifications of the MC146823FN. No additional guidance or recommendations are included.

Application Scenarios & Design Considerations

V(dd): -0.3 to +8.0V; V(in): -0.5 to +0.5V; 10mA; CMOS parallel interface

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