Microchip Technology ATMEGA161-8PI Microcontroller, Microprocessor, FPGA Modules
IC MCU 8BIT 16KB FLASH 40DIP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATMEGA161-8PI
Detailed Description
IC MCU 8BIT 16KB FLASH 40DIP
Package
40-DIP (0.600", 15.24mm)
Key Features
Package / Case: 40-DIP (0.600", 15.24mm); Mounting Type: Through Hole
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
ATMEGA161-8PI Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATMEGA161-8PI Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
Series
AVR® ATmega
RAM Size
1K x 8
RoHS
Yes
Package / Case
40-DIP
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
4V ~ 5.5V
Lifecycle Status
Obsolete
Peripherals
POR, PWM, WDT
Number of I/O
35
Alternate Parts Comparison (ATMEGA161-8PI vs ATMEGA32A-PU vs ATMEGA16-16PU vs ATMEGA8515-16PU)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 40-DIP | 40-DIP | 40-DIP | 40-DIP |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 4V ~ 5.5V | 2.7V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Core Processor | AVR | AVR | AVR | AVR |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | 1K x 8 | 2K x 8 | 1K x 8 | 512 x 8 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Obsolete | Active | Active | Active |
| Connectivity | SPI, UART/USART | I²C, SPI, UART/USART | I²C, SPI, UART/USART | EBI/EMI, SPI, UART/USART |
| EEPROM Size | 512 x 8 | 1K x 8 | 512 x 8 | 512 x 8 |
| Number of I/O | 35 | 32 | 32 | 35 |
| 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 16KB FLASH 32LQFP
NXP
IC MCU 8BIT 16KB FLASH 44QFP
NXP
IC MCU 8BIT 32KB FLASH 44QFP
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