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DS89C420-MCS

DS89C420-MCS

DS89C420-MCS

Maxim Integrated

16KB 16K x 8 FLASH 8051 8-Bit Microcontroller 89C Series DS89C420 50MHz 5V 40-DIP (0.600, 15.24mm)

SOT-23

DS89C420-MCS Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mounting Type Through Hole
Package / Case 40-DIP (0.600, 15.24mm)
Surface MountNO
Operating Temperature0°C~70°C TA
PackagingTube
Series 89C
Published 2003
JESD-609 Code e0
Pbfree Code no
Part StatusObsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 40
ECCN Code 3A001.A.3
Terminal Finish Tin/Lead (Sn/Pb)
HTS Code8542.31.00.01
Terminal Position DUAL
Peak Reflow Temperature (Cel) NOT SPECIFIED
Supply Voltage 5V
Terminal Pitch2.54mm
Reach Compliance Code not_compliant
Frequency 50MHz
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Base Part Number DS89C420
Pin Count40
JESD-30 Code R-PDIP-T40
Qualification StatusNot Qualified
Supply Voltage-Max (Vsup) 5.5V
Power Supplies5V
Supply Voltage-Min (Vsup) 4.5V
Interface EBI/EMI, UART, USART
Memory Size16kB
Oscillator TypeExternal
Number of I/O 32
RAM Size 1K x 8
Voltage - Supply (Vcc/Vdd) 4.5V~5.5V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER
Core Processor 8051
Peripherals Power-Fail Reset, WDT
Program Memory TypeFLASH
Core Size 8-Bit
Program Memory Size 16KB 16K x 8
Connectivity EBI/EMI, SIO, UART/USART
Bit Size 8
Access Time 50 μs
Has ADC NO
DMA Channels NO
PWM Channels NO
DAC Channels NO
Address Bus Width16
ROM (words) 16384
External Data Bus Width 8
Length 52.075mm
Height Seated (Max) 5.08mm
Width 15.24mm
RoHS StatusNon-RoHS Compliant
Lead Free Contains Lead
In-Stock:2015 items

DS89C420-MCS Product Details

DS89C420-MCS Overview


In a 40-DIP (0.600, 15.24mm) package, the MCU is available. 32 I/Os are available. The Microcontroller has a mounting type of Through Hole, which indicates that it is mounted conveniently. The 8-Bit core is the core of the MCU. There is a FLASH type of memory for its program. There is a temperature range of 0°C~70°C TA that is operated by this Microcontroller. 89C series components make up this electrical component. 16KB 16K x 8 is the size of its program memory. A 8051 Core processor is used to power the device. This device falls under the MICROCONTROLLER uPs/uCs/Peripheral ICs category. 40 is the number of terminations on the IC chip that are present. This part works in a 8-bit manner. There is a 5V volt supply output on the chip. DMA channels number NO. 16kB is the memory size of the part. The base part number DS89C420 can be used to find alternatives. The efficiency of this device can be improved when operating at a frequency of 50MHz. The device works in NO PWM channels. There are 40 pins on it.

DS89C420-MCS Features


40-DIP (0.600, 15.24mm) package
Mounting type of Through Hole


DS89C420-MCS Applications


There are a lot of Maxim Integrated
DS89C420-MCS Microcontroller applications.


  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine
  • Microwave ovens
  • Home appliances
  • Home video and audio
  • Entertainment products

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