C8051T626-B-GM

Overview

The C8051T626-B-GM is a mixed-signal microcontroller featuring a high-speed 8051 core with up to 48 MIPS throughput at a 48 MHz clock. It integrates 64 kB of byte-programmable EPROM and up to 3328 bytes of internal data RAM. The device includes a USB 2.0 full-speed function controller with an integrated transceiver and 1 kB buffer memory, eliminating the need for external components. Analog peripherals consist of a 10-bit ADC supporting up to 500 ksps with up to 21 external inputs, two comparators, and a built-in temperature sensor. Digital interfaces include hardware-enhanced SPI, SMBus, and two UARTs.

Feature Summary

• Integrated USB 2.0 full-speed function controller with on-chip transceiver and clock recovery
• High-performance pipelined 8051 core executing instructions in one or two system clocks
• On-chip 10-bit ADC with programmable gain and window detector capabilities
• Flexible digital peripheral set including dual enhanced UARTs and hardware SPI

Applications

• USB-enabled embedded systems requiring direct connectivity
• Industrial control applications utilizing analog signal processing
• Data acquisition systems with multiple input channels
• Battery-powered devices leveraging low-power clock modes

Procurement Notes

Verify component authenticity through authorized Silicon Labs distributors. Confirm package integrity upon receipt. Ensure ESD protection protocols are followed during handling. Validate part markings against official datasheet specifications. Maintain storage conditions within recommended environmental limits to preserve device reliability.

Selection Notes

Select this model when USB connectivity and high-resolution analog conversion are required in a compact form factor. Consider the EPROM capacity for firmware size requirements. Evaluate the 48 MHz performance against real-time processing needs. Check pin compatibility if replacing legacy designs. Review power consumption profiles for battery-operated implementations.

Part Context

This component belongs to the C8051T62x family of full-speed USB EPROM microcontrollers from Silicon Labs. It shares architectural similarities with the C8051T620/1/7 variants but offers specific memory and peripheral configurations tailored for mixed-signal applications. The device supports both QFN and LQFP packages for flexible board layout options.

Replacement Considerations

C8051T620-B-GM, C8051T621-B-GM, C8051T627-B-GM, C8051T320-B-GM, C8051T321-B-GM, C8051T322-B-GM, C8051T323-B-GM