Microchip Technology ATTINY45-20SU Microcontroller, Microprocessor, FPGA Modules
IC MCU 8BIT 4KB FLASH 8SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATTINY45-20SU
Detailed Description
IC MCU 8BIT 4KB FLASH 8SOIC
Package
8-SOIC (0.209", 5.30mm Width)
Key Features
Package / Case: 8-SOIC (0.209", 5.30mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
ATTINY45-20SU Datasheet
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Technical Specifications
Microchip Technology ATTINY45-20SU Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
Series
ATtiny45
RAM Size
256 x 8
Data Bus Width
8 bit
Maximum Clock Frequency
20 MHz
RoHS
True
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Active
Related Parts Comparison (ATTINY45-20SU vs ATTINY12L-4SI vs ATTINY13-20SI vs ATTINY25-15SZ)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) |
| Supply Voltage | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Core Processor | AVR | AVR | AVR | AVR |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| EEPROM Size | 256 x 8 | 64 x 8 | 64 x 8 | 128 x 8 |
| Number of I/O | 6 | 6 | 6 | 6 |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | POR, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT |
| Program Memory Size | 4KB (2K x 16) | 1KB (512 x 16) | 1KB (512 x 16) | 2KB (1K x 16) |
| Program Memory Type | Flash | Flash | Flash | Flash |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
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