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Comparison of possible replacement

Product Info:

Current product First  Possible replacement
Image: Product 556-ATTINY44A-SSF Product 579-ATTINY404-SSF
Mouser Part No: 556-ATTINY44A-SSF 579-ATTINY404-SSF
Mfr.'s Part No: ATTINY44A-SSF ATTINY404-SSF
Manufacturer: Microchip Technology Microchip Technology
Description: 8-bit Microcontrollers - MCU 4KB FL 256B EE 256B SRAM 20MHz Hi +125C 8-bit Microcontrollers - MCU 20MHz, 4KB, SOIC14, Ind 125C, Green, Tube
Lifecycle: Not Recommended for New Designs -
Datasheet: ATTINY44A-SSF Datasheet (PDF) ATTINY404-SSF 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: Not Available Not Available
Country of Origin: TH 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: + 125 C + 125 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: 329 Can Dispatch Immediately 5,864 Can Dispatch Immediately
Factory Lead Time: - 2 Weeks Estimated factory production time for quantities greater than shown.
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Pricing:
Qty. Unit Price
Ext. Price
$0.95 $0.95
$0.87 $21.75
$0.79 $90.06
Qty. Unit Price
Ext. Price
$0.66 $0.66
$0.61 $15.25
$0.55 $62.70