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Product Info.

Current product First  Possible replacement
Image: Product 556-ATTINY44A-SSN Product 579-ATTINY404-SSN
Mouser Part #: 556-ATTINY44A-SSN 579-ATTINY404-SSN
Mfr.'s Part #: ATTINY44A-SSN ATTINY404-SSN
Manufacturer: Microchip Technology Microchip Technology
Description: 8-bit Microcontrollers - MCU 4K FLASH 256B EE 256B SRAM - 20MHz 8-bit Microcontrollers - MCU 20MHz, 4KB, SOIC14, Ind 105C, Green, Tube
Lifecycle: Not Recommended for New Designs -
Datasheet: ATTINY44A-SSN Datasheet (PDF) ATTINY404-SSN Datasheet (PDF)
RoHS:    

Specifications

ADC Resolution: 10 bit 10 bit
Brand: Microchip Technology Microchip Technology
Core: AVR AVR
Country of Assembly: Not Available Not Available
Country of Diffusion: US Not Available
Country of Origin: TW TH
Data Bus Width: 8 bit 8 bit
Data RAM Size: 256 B 256 B
Data RAM Type: SRAM SRAM
Data ROM Size: 256 B 128 B
Data ROM Type: EEPROM EEPROM
I/O Voltage: 1.8 V to 5.5 V -
Interface Type: I2C, SPI, USI I2C, SPI, USART
Maximum Clock Frequency: 20 MHz 20 MHz
Maximum Operating Temperature: + 105 C + 105 C
Minimum Operating Temperature: - 40 C - 40 C
Moisture Sensitive: Yes Yes
Mounting Style: SMD/SMT SMD/SMT
Number of ADC Channels: 8 Channel 10 Channel
Number of I/Os: 12 I/O 12 I/O
Number of Timers/Counters: 2 Timer 2 Timer
Package / Case: SOIC-14 SOIC-14
Packaging: Tube Tube
Processor Series: tinyAVR -
Product: MCUs MCUs
Product Type: 8-bit Microcontrollers - MCU 8-bit Microcontrollers - MCU
Program Memory Size: 4 kB 4 kB
Program Memory Type: Flash Flash
Series: ATtiny44 ATtinyx04
Standard Pack Qty: 57 57
Subcategory: Microcontrollers - MCU Microcontrollers - MCU
Supply Voltage - Max: 5.5 V 5.5 V
Supply Voltage - Min: 1.8 V 1.8 V
Tradename: AVR AVR
Watchdog Timers: Watchdog Timer Watchdog Timer, Windowed

Ordering Information

Stock: 1,089 Can Ship Immediately 1,254 Can Ship Immediately
On Order:
0
0
Factory Lead-Time:
4
Weeks Estimated factory production time for quantities greater than shown.
10 Weeks Estimated factory production time for quantities greater than shown.
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Pricing:
Qty. Unit Price
Ext. Price
$1.45 $1.45
$1.33 $33.25
$1.20 $136.80
Qty. Unit Price
Ext. Price
$0.976 $0.98
$0.90 $22.50
$0.824 $93.94