IC Phoenix logo

Home ›  P  › P7 > P89C51UBAA

P89C51UBAA from PHI,Philips

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

P89C51UBAA

Manufacturer: PHI, PHILIPS, NXP

80C51 8-bit microcontroller family 4K/8K/16K/32K Flash

Partnumber Manufacturer Quantity Availability
P89C51UBAA PHI, PHILIPS, NXP 24862 In Stock

Description and Introduction

80C51 8-bit microcontroller family 4K/8K/16K/32K Flash The **P89C51UBAA** from PHILIPS (now NXP) is an enhanced 8-bit microcontroller based on the 80C51 core architecture. Designed for embedded applications, it combines high performance with low power consumption, making it suitable for industrial, automotive, and consumer electronics.  

Featuring **16 KB of Flash memory**, the P89C51UBAA supports in-system programming (ISP) and in-application programming (IAP), allowing flexible firmware updates without removing the chip from the circuit. It operates at a clock speed of up to **33 MHz**, ensuring efficient execution of complex tasks.  

The microcontroller includes **512 bytes of RAM**, three 16-bit timers/counters, a full-duplex UART for serial communication, and a versatile I/O port structure. Its enhanced features, such as a watchdog timer and power-saving idle/power-down modes, improve system reliability and energy efficiency.  

Compatible with the industry-standard 80C51 instruction set, the P89C51UBAA simplifies migration from legacy designs while offering improved performance. Its robust architecture and integrated peripherals make it a reliable choice for developers seeking a cost-effective yet powerful microcontroller solution.  

With its balance of speed, memory, and power efficiency, the P89C51UBAA remains a practical option for embedded systems requiring dependable control and connectivity.

Application Scenarios & Design Considerations

80C51 8-bit microcontroller family 4K/8K/16K/32K Flash

Alternative Part Number

  • AT89C51-24PC --: Pin-compatible 8051 microcontroller with 4KB flash, widely available and a direct functional replacement for the P89C51UBAA.
  • W78E516B40PL --: 8051-compatible MCU with 64KB flash in a PLCC package, offering similar or greater memory and peripheral compatibility.
  • DS89C450-MNL --: High-speed 8051-compatible microcontroller with 64KB flash, suitable as a drop-in alternative when higher performance is acceptable.
  • AT89C51-24PC --: Pin-compatible 8051 microcontroller with 4KB flash, widely available and a common drop-in replacement for the P89C51 series in legacy designs.
  • W78E516B40PL --: 8051-compatible MCU with 64KB flash in PLCC package, offering similar core and memory resources for direct substitution.
  • DS89C450-MNL --: High-speed 8051-compatible microcontroller with 64KB flash, suitable as a functional upgrade when the original Philips part is unavailable.
  • AT89C51-24PC --: Pin-compatible 8051 microcontroller with 4KB flash, widely available and a common drop-in replacement for the P89C51 series.
  • STC89C52RC-40I-PDIP --: 8051-compatible MCU with 8KB flash and same DIP-40 footprint, offering more memory and easy substitution.
  • W78E516B-40PL --: 8051-core microcontroller with 64KB flash in PLCC/DIP package, functionally similar and suitable as an alternative.

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips