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DS89C21TMX from NSC,National Semiconductor

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DS89C21TMX

Manufacturer: NSC

Differential CMOS Line Driver and Receiver Pair

Partnumber Manufacturer Quantity Availability
DS89C21TMX NSC 1620 In Stock

Description and Introduction

Differential CMOS Line Driver and Receiver Pair The DS89C21TMX is a microcontroller manufactured by National Semiconductor (NSC). Here are its key specifications:

- **Core**: High-speed 8051-compatible microcontroller.
- **Clock Speed**: Up to 33 MHz operation.
- **Memory**:  
  - 16 KB of Flash memory.  
  - 1 KB of SRAM.  
- **Timers/Counters**: Three 16-bit timers/counters.  
- **Serial Communication**:  
  - UART (Universal Asynchronous Receiver-Transmitter).  
  - SPI (Serial Peripheral Interface).  
- **I/O Ports**: 32 general-purpose I/O pins.  
- **Operating Voltage**: 4.5V to 5.5V.  
- **Package**: 40-pin PDIP or 44-pin PLCC.  
- **Temperature Range**: Commercial (0°C to +70°C) or industrial (-40°C to +85°C).  
- **Additional Features**:  
  - Power-saving idle and power-down modes.  
  - Watchdog timer.  

This information is based solely on the manufacturer's specifications.

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