AT89S51-24AU vs AT89C55WD-24AU

This detailed comparison of AT89S51-24AU and AT89C55WD-24AU in the Embedded - Microcontrollers provides valuable insights into their specifications and features. Key aspects such as Manufacturer, Package, Mounting Type, and core parameters are thoroughly analyzed. This side-by-side comparison simplifies component selection. To learn more, explore their datasheets or request a quote directly.

AT89S51-24AU

Roving Networks / Microchip Technology

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AT89C55WD-24AU

Roving Networks / Microchip Technology

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Specifications Hide identical items

Manufacturer	Roving Networks / Microchip Technology	Roving Networks / Microchip Technology
Package / Case	44-TQFP	44-TQFP
Description	IC MCU 8BIT 4KB FLASH 44TQFP	IC MCU 8BIT 20KB FLASH 44TQFP
In Stock	733	484
Mounting Type	Surface Mount	Surface Mount
Part Status	Active	Active
Series	89S	89C
Package	Tray	Tray
Core Processor	8051	8051
Core Size	8-Bit	8-Bit
Speed	24MHz	24MHz
Connectivity	UART/USART	UART/USART
Peripherals	WDT	WDT
Number of I/O	32	32
Program Memory Size	4KB (4K x 8)	20KB (20K x 8)
Program Memory Type	FLASH	FLASH
EEPROM Size	-	-
RAM Size	128 x 8	256 x 8
Voltage - Supply (Vcc/Vdd)	4V ~ 5.5V	4.5V ~ 5.5V
Data Converters	-	-
Oscillator Type	Internal	Internal
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Supplier Device Package	44-TQFP (10x10)	44-TQFP (10x10)