Atmel ATTINY28L-4MU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $10.44 | $10.44 |
| 15+ | $2.40 | $36.00 |
| 25+ | $2.35 | $58.75 |
| 50+ | $2.22 | $111.00 |
| 100+ | $1.96 | $196.00 |
| N+ | $0.39 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Atmel |
| Product Series | AVR® ATtiny |
| Packaging | Bulk | |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 4MHz |
| Connectivity | - |
| Peripherals | POR, WDT |
| Number of I/O | 11 |
| Program Memory Size | 2KB (1K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | - |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| Data Converters | - |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 32-VQFN (5x5) |
| Package / Case | 32-VFQFN Exposed Pad |
| ROHS |  |
The ATTINY28L-4MU is an 8-bit AVR microcontroller from Atmel, offering 2KB of flash memory in a 32-VFQFN package. It operates from 2.7V to 5.5V at speeds up to 4MHz, with integrated POR and WDT for dependable operation. This compact MCU is designed for cost-sensitive applications requiring basic control logic and minimal external components.
- Compact 32-VFQFN Package: Ideal for space-limited designs with exposed pad for thermal dissipation.
- Low-Power Operation: 2.7V minimum voltage reduces energy consumption in battery devices.
- Integrated Watchdog Timer: Provides automatic system recovery from software hangs.
- Simple Architecture: Easy to program with AVR toolchain, reducing development time.
Simple Industrial Timers
The 4MHz AVR core with 2KB flash is sufficient for basic timing sequences in conveyor belt controllers, with WDT ensuring fail-safe operation.
Low-Cost Consumer Toys
Its 32-VFQFN package allows compact PCB designs for electronic toys requiring simple logic and LED control at 2.7V minimum.
Power Tool Safety Interlocks
With 2.7V operation and POR, this MCU can monitor switch states in cordless power tools, preventing accidental startups.
Remote Keyless Entry Receivers
The small footprint and low pin count make it suitable for decoding simple RF signals in automotive key fob receivers.
White Goods Control Panels
For basic washing machine or microwave control interfaces, the 2KB flash handles button debouncing and display multiplexing.
Battery Charger Monitors
It can manage charge status LEDs and cutoff thresholds in simple NiMH chargers, using its WDT to prevent overcharge faults.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V.
- Q: What is the maximum clock frequency?
- A: The maximum speed is 4MHz.
- Q: How much program memory is available?
- A: It has 2KB of flash memory (1K x 16 bits).
- Q: What package does this use?
- A: It comes in a 32-VFQFN exposed pad package.
- Q: Does it have a watchdog timer?
- A: Yes, it includes both POR and WDT for system reliability.
ATTINY28L-4MU.pdf
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V.
- Q: What is the maximum clock frequency?
- A: The maximum speed is 4MHz.
- Q: How much program memory is available?
- A: It has 2KB of flash memory (1K x 16 bits).
- Q: What package does this use?
- A: It comes in a 32-VFQFN exposed pad package.
- Q: Does it have a watchdog timer?
- A: Yes, it includes both POR and WDT for system reliability.
