DS89C420-QNG vs AT87F55WD-24JI

This detailed comparison of DS89C420-QNG and AT87F55WD-24JI 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.

DS89C420-QNG

Maxim Integrated

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AT87F55WD-24JI

Roving Networks / Microchip Technology

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Specifications Hide identical items

Manufacturer	Maxim Integrated	Roving Networks / Microchip Technology
Package / Case	44-LCC (J-Lead)	44-LCC (J-Lead)
Description	IC MCU 8BIT 16KB FLASH 44PLCC	IC MCU 8BIT 20KB FLASH 44PLCC
In Stock	311	3 225
Mounting Type	Surface Mount	Surface Mount
Part Status	Obsolete	Obsolete
Series	89C	87F
Package	Tube	Tube
Core Processor	8051	8051
Core Size	8-Bit	8-Bit
Speed	25MHz	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	FLASH	OTP Quick FLASH
EEPROM Size	-	-
RAM Size	1K x 8	256 x 8
Voltage - Supply (Vcc/Vdd)	4.5V ~ 5.5V	4V ~ 5.5V
Data Converters	-	-
Oscillator Type	External	Internal
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C
Supplier Device Package	44-PLCC (16.59x16.59)	44-PLCC (16.6x16.6)