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UPD22148CA from NEC

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UPD22148CA

Manufacturer: NEC

CROSSPOINT SWITCH WITH CONTROL MEMORY CMOS IC

Partnumber Manufacturer Quantity Availability
UPD22148CA NEC 4000 In Stock

Description and Introduction

CROSSPOINT SWITCH WITH CONTROL MEMORY CMOS IC **Manufacturer:** NEC  
**Part Number:** UPD22148CA  

**Specifications:**  
- **Type:** 4-bit single-chip microcontroller  
- **Architecture:** CMOS  
- **Clock Speed:** Up to 4 MHz  
- **ROM Size:** 4 KB (mask ROM)  
- **RAM Size:** 256 x 4 bits  
- **I/O Ports:** 20 I/O lines (4-bit ports)  
- **Timers:** 8-bit timer/counter  
- **Interrupts:** External and internal interrupt sources  
- **Voltage Supply:** 4.5V to 5.5V  
- **Operating Temperature:** -40°C to +85°C  
- **Package:** 28-pin DIP (Dual In-line Package)  

**Descriptions and Features:**  
- Designed for embedded control applications.  
- Low-power CMOS technology for energy efficiency.  
- On-chip oscillator for clock generation.  
- Includes a built-in timer for precise timing operations.  
- Supports multiple interrupt sources for real-time processing.  
- Suitable for consumer electronics, industrial control, and automotive applications.  
- Mask ROM version for cost-effective mass production.  

(Note: This information is based on available historical data; verify with official NEC documentation for accuracy.)

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