MPNHarborRFQ 0
ATAR890K-028-TKQY representative package visual — not an exact-product photograph
Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image
Exact MPN17 sourced attributes1 source document

Microchip Technology · exact orderable part

ATAR890K-028-TKQY

IC MCU 4BIT 2KB MROM 20SSO

Core Processor
MARC4
Speed
4MHz
Program Memory Size
2KB (2K x 8)
RAM Size
256 x 4
Voltage - Supply (Vcc/Vdd)
1.8V ~ 6.5V
Package / Case
20-TSSOP (0.173", 4.40mm Width)
Original manufacturerCommercial terms confirmed per lot
ManufacturerMicrochip Technology
Package / case20-TSSOP (0.173", 4.40mm Width)
Mounting typeSurface Mount
PackingTape & Reel (TR)

Technical parameters

Technical specifications

17 normalized values · 1 validated source

Report a data issue
ParameterValue
Base Product NumberATAR890 [1]
Core ProcessorMARC4 [1]
Core Size4-Bit [1]
EEPROM Size64 x 8 [1]
MfrMicrochip Technology [1]
Mounting TypeSurface Mount [1]
Number of I/O12 [1]
Operating Temperature-40°C~85°C(TA) [1]
Oscillator TypeInternal [1]
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT [1]
Product StatusObsolete [1]
Program Memory Size2KB (2K x 8) [1]
Program Memory TypeMask ROM [1]
RAM Size256 x 4 [1]
Speed4MHz [1]
Voltage - Supply (Vcc/Vdd)1.8V ~ 6.5V [1]
Package / Case20-TSSOP (0.173", 4.40mm Width) [1]
Specification references[1]Microchip Technology ATAR890K-028-TKQY vendor product record ↗

Catalog relationships

Keep family and exact MPN intent separate.

This page describes one orderable part. A family page helps select suffixes but never carries assumed stock or a price.

ManufacturerMicrochip TechnologyView brand page →CategoryMicrocontrollersView category page →

Related exact parts

Other published parts

Browse exact MPNs and compare their specifications. These links do not imply compatibility or interchangeability.

A2C00040421A2C00053336A2C53279512A2C53329389A2C53420529A2C8214490000A2C83036600A2C8303660000A2C83037000