Microchip Technology AT89LS52-16PU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.56 | $3.56 |
| 15+ | $3.45 | $51.75 |
| 25+ | $3.38 | $84.50 |
| 50+ | $3.19 | $159.50 |
| 100+ | $2.81 | $281.00 |
| N+ | $0.56 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | 89LS |
| Packaging | Tube | |
| Core Processor | 8051 |
| Core Size | 8-Bit |
| Speed | 16MHz |
| Connectivity | UART/USART |
| Peripherals | WDT |
| Number of I/O | 32 |
| Program Memory Size | 8KB (8K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 256 x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 4V |
| Data Converters | - |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Through Hole |
| Supplier Device Package | 40-PDIP |
| Package / Case | 40-DIP (0.600", 15.24mm) |
| ROHS |  |
The AT89LS52-16PU from Microchip is a classic 8051-based 8-bit MCU. It operates at 16MHz with 8KB flash and 256B RAM. The 40-DIP package supports 2.7V to 4V supply and includes a WDT. Designed for simple, reliable control applications, it is ideal for educational, industrial, and consumer products requiring a proven architecture.
- Industry-standard 8051 core – extensive toolchain and code examples available.
- Through-hole 40-DIP package – easy to solder and replace in legacy systems.
- Low voltage operation – compatible with 3.3V logic without level shifters.
- Integrated WDT – improves system reliability in noisy environments.
Educational Prototyping Boards
The 40-DIP package and 8051 core make it perfect for teaching embedded systems. Its 2.7V operation allows breadboard use with 3.3V supplies.
Legacy Industrial Controllers
8KB flash is sufficient for simple relay logic. The WDT ensures reliable operation in factory environments.
Simple Motor Controllers
16MHz speed handles basic PWM generation for DC motors. The 256B RAM is enough for small control loops.
Remote Sensor Nodes
Low voltage operation reduces power consumption. The 40-DIP allows easy socket replacement in field devices.
Home Appliance Timers
8051 architecture simplifies code migration from older designs. The WDT prevents lockups in washing machines.
Test Equipment Interfaces
Through-hole package enables manual soldering for custom test jigs. The 4V max supply suits legacy 3.3V logic.
- Q: What core does this MCU use?
- A: It uses the classic 8051 core, widely supported by tools.
- Q: What is the supply voltage?
- A: It operates from 2.7V to 4V, compatible with 3.3V and 3.6V systems.
- Q: What is the maximum speed?
- A: It runs at 16MHz, suitable for standard 8051 applications.
- Q: What package is available?
- A: It comes in a 40-DIP package, ideal for prototyping and through-hole designs.
- Q: Does it have a watchdog timer?
- A: Yes, it includes a WDT for system recovery.
AT89LS52-16PU.pdf
- Q: What core does this MCU use?
- A: It uses the classic 8051 core, widely supported by tools.
- Q: What is the supply voltage?
- A: It operates from 2.7V to 4V, compatible with 3.3V and 3.6V systems.
- Q: What is the maximum speed?
- A: It runs at 16MHz, suitable for standard 8051 applications.
- Q: What package is available?
- A: It comes in a 40-DIP package, ideal for prototyping and through-hole designs.
- Q: Does it have a watchdog timer?
- A: Yes, it includes a WDT for system recovery.
