The W78E516B40PL is an 8-bit microcontroller from Quarktwin Technology Ltd. designed for applications requiring in-system programmability. It features a fully static design capable of operating at speeds up to 40 MHz. The microcontroller includes 64K bytes of main Flash EPROM for application storage and an additional 4K bytes of auxiliary Flash EPROM for loader programs, allowing for firmware updates. It is equipped with 512 bytes of on-chip RAM, four 8-bit bi-directional I/O ports, a 4-bit multipurpose port, three 16-bit timer/counters, and a full duplex serial port. The device supports six sources with two-level interrupt capability and includes built-in power management features, such as idle and power-down modes for energy efficiency. The W78E516B40PL is available in a lead-free PLCC 44 package, making it suitable for various embedded applications.
8052 W78 Microcontroller IC 8-Bit 40MHz 64KB (64K x 8) FLASH
Manufacturer: Nuvoton Technology Corporation of America
Win Source Part Number: 057469-W78E516B40PL
Packaging: Tube/Rail
Core Processor: 8052
Number of I/O: 36
Program Memory Size: 64KB (64K x 8)
Program Memory Type: FLASH
Categories: Integrated Circuits
Status: Obsolete(EOL)
Temperature Range - Operating: 0°C to 70°C (TA)
Dimension: 44-LCC (J-Lead)
Speed(Frequency): 40MHz
Supply Voltage - Operating: 4.5 V to 5.5 V
Part Core Size: 8-Bit
Data RAM Size: 512 x 8
Popularity: Medium
Fake Threat In the Open Market: 30 pct.
Supply and Demand Status: Limited
IC MCU 8BIT 64KB FLASH 44PLCC Product overview: W78E516B40PL from Nuvoton Technology Corporation 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 8-bit, 8BIT, 64KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8BIT, 64KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-W78E516B40PL can be used for catalog matching and distributor lookup.
IC MCU 8BIT 64KB FLASH 44PLCC
IC MCU 8BIT 64KB FLASH 44PLCC
8052 W78 Microcontroller IC 8-Bit 40MHz 64KB (64K x 8) FLASH
| DigiKey | Win Source Electronics | ERSAELECTRONICS PTE. LTD. | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | W78E516B40PL-ND | 057469-W78E516B40PL | 685-W78E516B40PL | W78E516B40PL | W78E516B40PL | W78E516B40PL |
| Product Name | Microcontrollers | Embedded - Embedded - Microcontrollers - W78E516B40PL | 8-bit 8BIT 64KB Embedded Microcontroller MCU | Integrated Circuits (ICs) - Embedded - Microcontrollers | Embedded - Microcontrollers | Microcontrollers |
| Data Bus | 8 Bit | 8 Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit; 8-Bit | |
| Clock Speed | 40 MHz | 40 MHz | 40 MHz | 40 MHz | ||
| RAM | 0.5120 KB | 64 KB | 0.5120 KB | 512 KB | 0.5120 KB | |
| ROM | 64 KB | |||||
| ROM Type | Flash | Flash; FLASH |
