Integrated Circuits (ICs)

DS89C450-ENL+

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Analog Devices Inc./Maxim Integrated

IC MCU 8BIT 64KB FLASH 44TQFP

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Integrated Circuits (ICs)

DS89C450-ENL+

Active

Analog Devices Inc./Maxim Integrated

IC MCU 8BIT 64KB FLASH 44TQFP

Deep-Dive with AI

DocumentsDatasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	DS89C450-ENL+

Connectivity	UART/USART, SIO, EBI/EMI
Core Processor	8051
Core Size	8-Bit
Mounting Type	Surface Mount
Number of I/O	32
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Oscillator Type	External
Package / Case	44-TQFP
Program Memory Size	64 KB
Program Memory Type	FLASH
RAM Size	1 K
Speed	33 MHz
Supplier Device Package	44-TQFP (10x10)
Voltage - Supply (Vcc/Vdd) [Max]	5.5 V
Voltage - Supply (Vcc/Vdd) [Min]	4.5 V

DS89C450 Series

Part	Core Processor	Program Memory Type	Speed	Operating Temperature [Max]	Operating Temperature [Min]	Number of I/O	Oscillator Type	Supplier Device Package	Core Size	Mounting Type	RAM Size	Program Memory Size	Voltage - Supply (Vcc/Vdd) [Max]	Voltage - Supply (Vcc/Vdd) [Min]	Connectivity	Package / Case	Package / Case	Package / Case
Analog Devices Inc./Maxim Integrated DS89C450-QNG+	8051	FLASH	25 MHz	85 °C	-40 °C	32	External	44-PLCC (16.59x16.59)	8-Bit	Surface Mount	1 K	64 KB	5.5 V	4.5 V	EBI/EMI SIO UART/USART	44-LCC (J-Lead)
Analog Devices Inc./Maxim Integrated DS89C450-ENG	8051	FLASH	25 MHz	85 °C	-40 °C	32	External	44-TQFP (10x10)	8-Bit	Surface Mount	1 K	64 KB	5.5 V	4.5 V	EBI/EMI SIO UART/USART	44-TQFP
Analog Devices Inc./Maxim Integrated DS89C450-QNL	8051	FLASH	33 MHz	85 °C	-40 °C	32	External	44-PLCC (16.59x16.59)	8-Bit	Surface Mount	1 K	64 KB	5.5 V	4.5 V	EBI/EMI SIO UART/USART	44-LCC (J-Lead)
Analog Devices Inc./Maxim Integrated DS89C450-MNL+	8051	FLASH	33 MHz	85 °C	-40 °C	32	External	40-PDIP	8-Bit	Through Hole	1 K	64 KB	5.5 V	4.5 V	EBI/EMI SIO UART/USART	40-DIP	15.24 mm	0.6 in
Analog Devices Inc./Maxim Integrated DS89C450-MNL	8051	FLASH	33 MHz	85 °C	-40 °C	32	External	40-PDIP	8-Bit	Through Hole	1 K	64 KB	5.5 V	4.5 V	EBI/EMI SIO UART/USART	40-DIP	15.24 mm	0.6 in
Analog Devices Inc./Maxim Integrated DS89C450-QNG	8051	FLASH	25 MHz	85 °C	-40 °C	32	External	44-PLCC (16.59x16.59)	8-Bit	Surface Mount	1 K	64 KB	5.5 V	4.5 V	EBI/EMI SIO UART/USART	44-LCC (J-Lead)
Analog Devices Inc./Maxim Integrated DS89C450-ENL	8051	FLASH	33 MHz	85 °C	-40 °C	32	External	44-TQFP (10x10)	8-Bit	Surface Mount	1 K	64 KB	5.5 V	4.5 V	EBI/EMI SIO UART/USART	44-TQFP
Analog Devices Inc./Maxim Integrated DS89C450-ENL+	8051	FLASH	33 MHz	85 °C	-40 °C	32	External	44-TQFP (10x10)	8-Bit	Surface Mount	1 K	64 KB	5.5 V	4.5 V	EBI/EMI SIO UART/USART	44-TQFP
Analog Devices Inc./Maxim Integrated DS89C450-ENG+	8051	FLASH	25 MHz	85 °C	-40 °C	32	External	44-TQFP (10x10)	8-Bit	Surface Mount	1 K	64 KB	5.5 V	4.5 V	EBI/EMI SIO UART/USART	44-TQFP
Analog Devices Inc./Maxim Integrated DS89C450-MNG	8051	FLASH	25 MHz	85 °C	-40 °C	32	External	40-PDIP	8-Bit	Through Hole	1 K	64 KB	5.5 V	4.5 V	EBI/EMI SIO UART/USART	40-DIP	15.24 mm	0.6 in

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tray	1	$ 35.38
		10	$ 29.61
		25	$ 27.89
		80	$ 24.77
		160	$ 25.36
		230	$ 23.90
		320	$ 24.69

Description

General part information

DS89C450 Series

8051 89C Microcontroller IC 8-Bit 33MHz 64KB (64K x 8) FLASH 44-TQFP (10x10)

Documents

Technical documentation and resources