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Microchip Technology AT90PWM161OS-16SNR Microcontroller, Microprocessor, FPGA Modules

IC MCU 8BIT 16KB FLASH 20SO

741 ActiveMicrochip Technology20-SOIC (0.295", 7.50mm Width)RoHS
AT90PWM161OS-16SNR 20-SOIC (0.295", 7.50mm Width) package illustration

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

AT90PWM161OS-16SNR
Part Number (MPN)
AT90PWM161OS-16SNR
Detailed Description
IC MCU 8BIT 16KB FLASH 20SO
Package
20-SOIC (0.295", 7.50mm Width)
Key Features
Package / Case: 20-SOIC (0.295", 7.50mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
PDF AT90PWM161OS-16SNR Datasheet
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Technical Specifications

Microchip Technology AT90PWM161OS-16SNR Microcontroller, Microprocessor, FPGA Modules technical specifications.

General

Series
AVR® 90PWM Lighting
RAM Size
1K x 8
RoHS
Yes
Package / Case
20-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 105°C (TA)
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O
20

Alternate Parts Comparison (AT90PWM161OS-16SNR vs AT90S1200-4SI vs AT90S1200-12SI vs AT89C2051-12SU)

Side-by-side technical parameter comparison of related primary models in this product family.

This PartAlternate PartsAlternate PartsAlternate Parts
Package / Case20-SOIC20-SOIC20-SOIC20-SOIC
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-40°C ~ 105°C (TA)-40°C ~ 85°C-40°C ~ 85°C-40°C ~ 85°C (TA)
Supply Voltage2.7V ~ 5.5V2.7V ~ 6V4V ~ 6V2.7V ~ 6V
Core ProcessorAVRAVRAVR8051
Core Size8-Bit8-Bit8-Bit8-Bit
ConnectivitySPISPISPIUART/USART
Number of I/O20151515
Oscillator TypeInternalInternalInternalInternal
PeripheralsBrown-out Detect/Reset, POR, PWM, WDTPOR, WDTPOR, WDTLED
Program Memory Size16KB (16K x 8)1KB (512 x 16)1KB (512 x 16)2KB (2K x 8)
Program Memory TypeFlashFlashFlashFlash
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

More Parts in Microcontrollers

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