DS87C520-ECL vs AT89C55WD-24AU

This detailed comparison of DS87C520-ECL 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.

DS87C520-ECL

VIGOR

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AT89C55WD-24AU

Roving Networks / Microchip Technology

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Specifications Hide identical items

Manufacturer	VIGOR	Roving Networks / Microchip Technology
Package / Case	44-TQFP	44-TQFP
Description	IC MCU 8BIT 16KB OTP 44TQFP	IC MCU 8BIT 20KB FLASH 44TQFP
In Stock	560	484
Mounting Type	Surface Mount	Surface Mount
Part Status	Obsolete	Active
Series	87C	89C
Package	Tray	Tray
Core Processor	8051	8051
Core Size	8-Bit	8-Bit
Speed	33MHz	24MHz
Connectivity	EBI/EMI, SIO, UART/USART	UART/USART
Peripherals	Power-Fail Reset, WDT	WDT
Number of I/O	32	32
Program Memory Size	16KB (16K x 8)	20KB (20K x 8)
Program Memory Type	OTP	FLASH
EEPROM Size	-	-
RAM Size	1K x 8	256 x 8
Voltage - Supply (Vcc/Vdd)	4.5V ~ 5.5V	4.5V ~ 5.5V
Data Converters	-	-
Oscillator Type	External	Internal
Operating Temperature	0°C ~ 70°C (TA)	-40°C ~ 85°C (TA)
Supplier Device Package	44-TQFP (10x10)	44-TQFP (10x10)