- Sierra IC Inc. will be closed for the holiday season from December 20, 2025 through January 4, 2026, and will resume normal business operations on January 5, 2026.    

 

Sierra IC Inc., a global independent distributor, specializes in integrated circuits, active and passive components, connectors, and discrete electromechanical parts.

Semiconductors and Actives Microcontroller Sierra IC Catalog Page 39

Part Number Manufacturer
Page 39 of 1823
AT89C2051-24SJ
8051 MCU, 20 PINS, UART, 2K FLASH - 24MHZ, SOIC
Atmel
AT89C2051-24SU
8051 MCU, 20 PINS, UART, 2K FLASH - 24MHZ, SOIC
Atmel
AT89C2051-W-7
8051 MCU, 20 PINS, UART, 2K FLASH - UNSAWN WAFER 7 MIL BACKG
Atmel
AT89C2051X2-16PI
MCU 16MHZ, 8 BIT, PDIP, IND TEMP
Atmel
AT89C2051X2-16SI
MCU 16MHZ, 8 BIT, SOIC, IND TEMP
Atmel
AT89C2051X2-20PI
MCU 24MHZ, 8 BIT, PDIP, IND TEMP
Atmel
AT89C2051X2-20SI
MCU 24MHZ, 8 BIT, SOIC, IND TEMP
Atmel
AT89C4051-12PU
8051 4K FLASH 2.7 TO 5.5V, PDIP - 8051 4K FLASH 2.7 TO 5.5V,
Atmel
AT89C4051-12SI
MCU 8-Bit AT89 CISC 4KB Flash 3.3V/5V 20-Pin SOIC
Atmel
AT89C4051-12SU
MCU 8-Bit AT89 CISC 4KB Flash 3.3V/5V 20-Pin SOIC
Atmel
AT89C4051-24PU
8051 4K FLASH 2.7 TO 5.5V, PDIP - 24MHZ, PDIP, IND TEMP
Atmel
AT89C4051-24SJ
8051 4K FLASH 2.7 TO 5.5V, PDIP - 24MHZ, SOIC
Atmel
AT89C4051-24SU
MCU 8-Bit AT89 8051 CISC 4KB Flash 5V 20-Pin SOIC
Atmel
AT89C51-12JC-5
UNSAWN WAFER 21 MIL BACKGRIND 89C51 - 12MHZ, PLCC
Atmel
AT89C5115-RATUM
C51 TQFP32 16K FLASH ADC GREEN
Atmel

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16151 Lancaster Hwy
Charlotte NC 28277

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