Key facts
- Brand
- Atmel
- Model
- ATTINY24A
- Documents
- 2
- Languages
- EN
- Last added
- 2012-03-27
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Atmel ATtiny24A/ATtiny44A Datasheet
The ATtiny24A and ATtiny44A are low‑power CMOS 8‑bit microcontrollers based on the AVR enhanced RISC architecture. They offer up to 1 MIPS per MHz, 2 KB/4 KB flash, 128/256 B EEPROM, 128/256 B SRAM, a 10‑bit ADC, multiple timers, and a range of low‑power modes.
The document includes detailed pin‑out diagrams, pin descriptions, a complete register summary, and information on packages (QFN, SOIC, PDIP, UFBGA). Additional resources such as driver libraries, application notes, and code examples are listed, with contact information for Atmel support worldwide.
Atmel ATTINY24A specifications
| Operating Voltage | 1.8 V – 5.5 V |
|---|---|
| Speed Grade | 0‑4 MHz @1.8‑5.5 V, 0‑10 MHz @2.7‑5.5 V, 0‑20 MHz @4.5‑5.5 V |
| Flash Memory | 2 KB or 4 KB (depending on variant) |
| EEPROM | 128 B or 256 B |
| SRAM | 128 B or 256 B |
| ADC Resolution | 10‑bit, 8 single‑ended channels, 12 differential pairs |
| I/O Pins | 12 programmable I/O lines |
| Package Options | 20‑Pin QFN/MLF/VQFN, 14‑Pin SOIC, 14‑Pin PDIP, 15‑ball UFBGA |
| Active Mode Current | 210 pA at 1.8 V, 1 MHz |
| Idle Mode Current | 33 µA at 1.8 V, 1 MHz |
| Power‑Down Mode Current | 0.1 µA at 1.8 V, 25 °C |
| Data Retention | 20 years at 85 °C / 100 years at 25 °C |
All Atmel ATTINY24A documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the operating voltage range of the ATtiny24A/44A?
The device operates from 1.8 V up to 5.5 V.
How much flash memory is available in the ATtiny24A/44A?
It provides either 2 KB or 4 KB of in‑system programmable flash, depending on the variant.
What is the flash memory size of the ATtiny24A/ATtiny44A?
The devices contain 2 KB or 4 KB of in‑system, self‑programmable flash memory.
What voltage range can the ATtiny24A/ATtiny44A operate at?
They operate from 1.8 V up to 5.5 V.