The TSC80251G2D-24IA is a ROMless microcontroller from Quarktwin Technology Ltd., operating at a frequency of 24 MHz. It is based on the 8/16-bit C251 architecture and is pin and software compatible with standard 80C51 products. This microcontroller features a 1 Kbyte on-chip RAM and supports external memory space programmable from 64 kilobytes to 256 kilobytes. It includes four 8-bit parallel I/O ports, a full duplex UART with an independent baud rate generator, and supports multiple serial communication protocols such as TWI, OºWire, and SPI. The device is equipped with three 16-bit timers/counters, a watchdog timer, and power management features, including power-on reset and power-down modes. The TSC80251G2D-24IA is designed for industrial applications, with an operating temperature range of -40¬8C to +85¬8C. It is available in a 40-pin PDIL package and is optimized for low power consumption, with a typical operating current of 35 mA at 24 MHz and a power-down current of 2 OºA. This microcontroller is suitable for applications such as ISDN terminals, high-speed modems, and various digital devices.
IC MCU 8/16BIT ROMLESS 40PDIL Product overview: TSC80251G2D-24IA from Microchip Technology is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 16-bit, 16BIT. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 16-bit, 16BIT, Embedded Microcontroller MCU, Microcontrollers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-TSC80251G2D-24IA
Manufacturer: Microchip Technology
Win Source Part Number: 793974-TSC80251G2D-2
Series: 8x251
Packaging: Tube
Operating Temperature Range: -40°C ~ 85°C (TA)
Core Processor: C251
Speed: 24MHz
Package: 40-DIP (0.600", 15.24mm)
Core Size: 8/16-Bit
Connectivity: EBI/EMI, I2C, Microwire, SPI, UART/USART
Peripherals: POR, PWM, WDT
Number of I/O: 32
Program Memory Type: ROMless
RAM Size: 1K x 8
Oscillator Type: Internal
Supply Voltage: 4.5 V ~ 5.5 V
Part Status: Obsolete(EOL)
Family Name: TSC80251
Categories: Integrated Circuits (ICs)
Manufacturer Package: 40-PDIL
Alternative Parts (Cross-Reference): TSC80251G2D-24IB;
Introduction Date: May 12, 1999
ECCN: EAR99
Estimated EOL Date: 2022
Popularity: Medium
Fake Threat In the Open Market: 40 pct.
Supply and Demand Status: Limited
C251 8x251 Microcontroller IC 8/16-Bit 24MHz ROMless 40-PDIL
C251 8x251 Microcontroller IC 8/16-Bit 24MHz ROMless 40-PDIL
IC MCU 8/16BIT ROMLESS 40PDIL
IC MCU 8/16BIT ROMLESS 40PDIL
| ERSAELECTRONICS PTE. LTD. | Win Source Electronics | DigiKey | Quarktwin Technology Ltd. | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 685-TSC80251G2D-24IA | 793974-TSC80251G2D-24IA | TSC80251G2D-24IA-ND | TSC80251G2D-24IA | TSC80251G2D-24IA | TSC80251G2D-24IA |
| Product Name | 16-bit 16BIT Embedded Microcontroller MCU | Embedded - Embedded - Microcontrollers - TSC80251G2D-24IA | Microcontrollers | Microcontrollers | Embedded - Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers |
| Data Bus | 16 Bit | 8 Bit; 16 Bit | 8 Bit; 16 Bit | 8 Bit; 16 Bit; 8/16-Bit | 8 Bit; 16 Bit; 8/16-Bit | |
| RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | |
| Supply Voltage | 4.5 to 5.5 volts | 4.5 to 5.5 volts | 4.5 to 5.5 volts | 5.5 to 4.5 volts | ||
| Package Type | Other; Tube | CDIP | CDIP; Other; "40-DIP (0.600"", 15.24mm)" | CDIP; Other; 40-DIP (0.600\", 15.24mm) | ||
| Operating Temperature | -40 C (-40 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) |
