MEC1428-TF-C1 - 192KB MCU with SAF | Microchip Technology
料号： MEC1428-TF-C1 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $5.3873 | $5.39 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MEC1428-TF-C1 概述
A microcontroller integrates a processor core, memory, programmable I/O, and communication peripherals into one device. The MEC1428 belongs to the MEC14XX family and targets embedded control, keyboard, and USB Type-C power-delivery designs. Its Slave Attached Flash interface provides a dedicated path for external flash integration, while the integrated I2C, LPC, SMBus, SPI, and UART interfaces support system-management and peripheral connectivity.
Key features include the MIPS32 M14K core, 192KB of SRAM, external program-memory architecture, 108 I/O, and the 128-WFBGA package. The broad peripheral mix allows keyboard controllers, embedded controllers, storage devices, and platform-management components to share one controller platform. The listed 1.71V to 3.465V operating range supports embedded systems that require low-voltage digital rails.
The MEC1428 is designed for applications where external flash is required and where a compact controller needs multiple low-speed and high-speed serial interfaces. Its eSPI and LPC connectivity are particularly useful in embedded platform designs, while SPI, I2C, SMBus, and UART provide flexible peripheral expansion. The 128-WFBGA package offers dense integration but requires careful PCB layout and thermal verification.
Typical uses include USB Type-C power-delivery controllers, keyboard and embedded control systems, storage-management controllers, and platform support logic. The external-program-memory architecture should be matched with the intended flash device, interface timing, and firmware boot strategy.
Designers should review the complete Microchip datasheet and reference design before layout. Pay particular attention to ball assignments, power rails, decoupling, external-flash routing, and signal integrity because the BGA package leaves little tolerance for layout errors.
This page consolidates verified distributor information, manufacturer-device positioning, interface details, and practical selection guidance to support fast sourcing and engineering review.
直接替换替代料： MEC1428-TF-C1 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
MEC1428-TF-C1-TR
✅ 直接替换📋 参考替代料（不在目录中）
MEC1428-SZ-C1
✅ 直接替换📋 参考替代料（不在目录中）
MEC1428-TF-C1 最大额定值与电气特性
| Product Type | 32-bit keyboard and embedded controller microcontroller |
| Core Processor | MIPS32 M14K |
| RAM Size | 192KB |
| Program Memory Type | External program memory |
| Interfaces | I2C, LPC, SMBus, SPI, UART, eSPI |
| Number of I/O | 108 |
| 电源电压 | 1.71V to 3.465V |
| 工作温度 | 0C to 70C |
| Temperature Grade | Commercial |
| 封装 | 128-WFBGA |
| 安装类型 | Surface mount |
| Terminal Type | Ball |
| Package Shape | Square |
| Number of Terminals | 128 |
| Flash Support | Slave Attached Flash (SAF) |
| Manufacturer Family | MEC14XX |
MEC1428-TF-C1 square 引脚配置指南
MEC1428-TF-C1（square 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： MEC1428-TF-C1.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MEC1428-TF-C1 适用于 6 应用s: USB Type-C Power Delivery, Keyboard and Embedded Control, External Flash Storage Management, Platform Management, Industrial Per interfacing, Storage and Peripheral Hub.
USB Type-C Power Delivery
The MEC1428-TF-C1 is suited to USB Type-C power-delivery control because Microchip identifies Slave Attached Flash as a key feature of the MEC14XX platform. Its external program-memory architecture can accommodate firmware associated with power-policy negotiation, while I2C, SMBus, SPI, UART, LPC, and eSPI provide paths to power-management and monitoring components. The 1.71V-to-3.465V operating range suits low-voltage digital designs. A production design must still coordinate flash timing, firmware, protection circuits, and USB-C connector requirements.
推荐
Keyboard and Embedded Control
The MEC1428-TF-C1 is explicitly categorized as a keyboard and embedded controller MCU with 108 I/O, making it suitable for dense human-interface and platform-control assemblies. The MIPS32 M14K core provides the processing foundation for scanning, debouncing, state management, and device control, while 192KB SRAM supports local buffering. Its LPC and eSPI interfaces can connect platform buses, and SPI, I2C, SMBus, and UART support peripherals. Firmware timing and interrupt requirements must be validated against the target keyboard or embedded subsystem.
推荐
External Flash Storage Management
The external program-memory architecture and Slave Attached Flash support make the MEC1428-TF-C1 appropriate for systems that separate firmware storage from the controller. Its external flash connection can support boot code, configuration data, or application firmware, while the 192KB SRAM provides working memory for controller operations. The design must account for flash address mapping, timing, power sequencing, and firmware update strategy. Because the verified data does not specify a particular supported flash device, interface details should be taken from the Microchip documentation.
推荐
Platform Management
With 108 I/O and a broad interface set, the MEC1428-TF-C1 can serve as a low-power platform-management controller in embedded systems. LPC and eSPI support communication with platform components, while I2C, SMBus, SPI, and UART provide expansion for sensors, storage, and supervisory devices. The commercial 0°C-to-70°C range and 1.71V-to-3.465V supply specification suit many internal computing environments. Power sequencing, interrupt priority, and peripheral voltage compatibility should be planned before schematic capture.
推荐
Industrial Per interfacing
The MEC1428-TF-C1 can be used in embedded industrial equipment requiring a combination of control logic, serial connectivity, and external program memory. I2C and SMBus are useful for low-speed management devices, SPI and eSPI can support faster storage or bus components, and UART provides a simple diagnostic channel. The 108 available I/O allow the controller to consolidate several platform functions. Industrial system designers should verify isolation, protection, environmental requirements, and any extended-temperature needs because the verified part is specified for 0°C to 70°C operation.
推荐
Storage and Peripheral Hub
The MEC1428-TF-C1 can coordinate storage and peripheral functions when a design needs external program memory plus several serial interfaces in one controller. SPI and eSPI provide high-speed communication paths, while I2C, SMBus, and UART support management, configuration, and diagnostic devices. Its 192KB SRAM can support protocol state, buffers, and control structures without assuming internal flash storage. Layout must preserve signal integrity for high-speed interfaces and provide correct decoupling around the 1.71V-to-3.465V operating range.
推荐
推荐产品汇总
工程参考数据： MEC1428-TF-C1 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MEC1428-TF-C1-TR | MEC1428-SZ-C1 |
|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
关键差异点
- Integrated Slave Attached Flash support （对比 MEC1428-TF-C1-TR)
- MIPS32 M14K processing core with 192KB SRAM （对比 MEC1428-SZ-C1)
- Broad embedded-platform interface set （对比 MEC1428-TF-C1-TR)
设计说明
The 128-WFBGA package requires a manufacturer-compatible land pattern, fine-pitch escape routing, and careful via placement. Route power and ground first, keep high-speed eSPI and other timing-sensitive routes short where possible, and place decoupling close to the relevant supply balls. Validate the escape strategy and manufacturing rules with Microchip package documentation before committing to a board spin.
Design the supply rails for the verified 1.71V-to-3.465V operating range and confirm the AC and DC limits from the official datasheet. External flash, interface devices, and the controller may require coordinated sequencing. Estimate rail currents only after the external-memory and peripheral configuration is known; do not infer current limits from distributor listings.
MEC1428-TF-C1 includes eSPI, SPI, LPC, I2C, SMBus, and UART, so each interface has different edge-rate and loading considerations. Check trace lengths, series termination, return paths, and peripheral drive capability against the manufacturer electrical characteristics. Use the datasheet timing tables and reference design rather than assuming all serial interfaces require identical routing.
Do not substitute a distributor variant solely because its title contains the same base MPN. Confirm package code, ball map, temperature grade, flash configuration, and ordering suffix against the official Microchip documentation. Also verify that the external flash device and firmware match the controller’s Slave Attached Flash requirements before release to production.
合规信息
The supplied verified data does not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Confirm current declarations with Microchip Technology for the exact orderable MPN.
