Microchip Technology ATTINY45-20XUR Microcontroller, Microprocessor, FPGA Modules
IC MCU 8BIT 4KB FLASH 8TSSOP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATTINY45-20XUR
Detailed Description
IC MCU 8BIT 4KB FLASH 8TSSOP
Package
8-TSSOP (0.173", 4.40mm Width)
Key Features
Package / Case: 8-TSSOP (0.173", 4.40mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
ATTINY45-20XUR Datasheet
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Technical Specifications
Microchip Technology ATTINY45-20XUR Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
RAM Size
256 x 8
RoHS
Yes
Package / Case
8-TSSOP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O
6
Speed
20MHz
Alternate Parts Comparison (ATTINY45-20XUR vs ATTINY45-20XU vs 24LC014-I/ST vs 24LC256T-E/ST)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 8-TSSOP | 8-TSSOP | 8-TSSOP | 8-TSSOP |
| 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 | 2.5V ~ 5.5V | 2.5V ~ 5.5V |
| RoHS | Yes | Yes | Compliant | Compliant |
| Lifecycle Status | Active | Active | Active | Active |
| Package | TSSOP-8 | TSSOP-8 | SO | SO |
| 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 .
Suggested replacements
NXP
IC MCU 8BIT 4KB FLASH 8SOIC
NXP
IC MCU 8BIT 4KB FLASH 16TSSOP
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