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Microchip Technology ATTINY4313-MUR Microcontroller, Microprocessor, FPGA Modules

IC MCU 8BIT 4KB FLASH 20QFN

46,981 ActiveMicrochip Technology20-WFQFN Exposed Pad$2.98RoHS
ATTINY4313-MUR 20-WFQFN Exposed Pad package illustration

Same model may have multiple batches, images only for reference.

ATTINY4313-MUR
Part Number (MPN)
ATTINY4313-MUR
Detailed Description
IC MCU 8BIT 4KB FLASH 20QFN
Package
20-WFQFN Exposed Pad
Key Features
Package / Case: 20-WFQFN Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
PDF ATTINY4313-MUR Datasheet
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Technical Specifications

Microchip Technology ATTINY4313-MUR Microcontroller, Microprocessor, FPGA Modules technical specifications.

General

RAM Size
256 x 8
RoHS
Yes
Package / Case
20-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.8V ~ 5.5V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O
18
Speed
20MHz

Related Parts Comparison (ATTINY4313-MUR vs ATTINY24A-MUR vs ATTINY84A-MUR vs ATTINY44A-MUR)

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 PartRelated PartRelated PartRelated Part
Package / Case20-WFQFN Exposed Pad20-WFQFN Exposed Pad20-WFQFN Exposed Pad20-WFQFN Exposed Pad
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)
Supply Voltage1.8V ~ 5.5V1.8V ~ 5.5V1.8V ~ 5.5V1.8V ~ 5.5V
Core ProcessorAVRAVRAVRAVR
Core Size8-Bit8-Bit8-Bit8-Bit
RAM Size256 x 8128 x 8512 x 8256 x 8
RoHSYesYesYesYes
Lifecycle StatusActiveActiveActiveActive
ConnectivityI²C, SPI, UART/USARTUSIUSIUSI
EEPROM Size256 x 8128 x 8512 x 8256 x 8
Number of I/O18121212
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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

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Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.