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Littelfuse, Inc.

Littelfuse, Inc.- Embedded Microcontrollers

Littelfuse, Inc., founded in 1927 and headquartered in Chicago, Illinois, USA, is a global leader in circuit protection, power control, and sensing technologies. The company serves virtually every market that uses electrical energy, including automotive, industrial equipment, consumer electronics, and commercial vehicles. Its core product portfolio features the industry’s broadest and deepest range of circuit protection devices, such as automotive blade fuses (ATO, Mini, Maxi series), resettable polymeric positive temperature coefficient (PPTC) devices (PolySwitch series), metal oxide varistors (MOVs), transient voltage suppression (TVS) diodes (SPA and SMBJ families), and electrostatic discharge (ESD) protection arrays. Littelfuse also offers a growing lineup of power semiconductors including silicon carbide (SiC) MOSFETs, rectifiers, and gate drivers, alongside electromechanical sensors like reed switches and Hall effect speed sensors for automotive applications. The company has expanded into heavy-duty switches for commercial vehicles, power distribution centers for mining, and generator control and protection equipment for marine applications. With decades of proven technical expertise and sustained R&D investment, Littelfuse holds a top-tier position in the global circuit protection market, recognized for its reliability and innovation. Its products are critical to ensuring safety and performance in demanding environments, from high-voltage industrial systems to miniature consumer gadgets. Littelfuse operates manufacturing, sales, and engineering facilities worldwide, supporting a diverse customer base with localized solutions. The company is publicly traded on the NASDAQ under the symbol LFUS and continues to strengthen its position through strategic acquisitions and portfolio expansion.

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Embedded Microcontrollers - 型号列表

2,042 parts in total

Series

Package / Case

Standard Package

Factory Pack Quantity

Length

Number of I/O

Program Memory Size

Height

Memory Size

Voltage - Supply

RAM Size

Data Converters

Peripherals

Connectivity

Number of Inputs and Type

Interface

Memory Type

Other Names

Core Type

Clock Rate

Program Memory Type

Voltage - Supply (Vcc/Vdd)

Operating Temperature

Number of Counter/Timers

Number of Timers

Speed

EEPROM Size

Core Processor

Number of Channels

Width

Number of Pins

Size / Dimension

Product Category

Frequency

Channels

Resolution (Bits)

Number of ADCs / DACs

Voltage - Supply, Digital

Accessory Type

Timer

Frequency - Max

Package Cooled

Number of Positions

RF Family/Standard

Core Size

Mounting Style

On-Chip RAM

Mechanical Life

Mounting Type

Supplier Device Package

Number of Bits per Element

Voltage Rating

Frequency (Center/Band)

Weight

Package Quantity

Counter/Timers

FPGA Core Cells

Mfr Part #Quantity AvailablePriceStandard PackageRoHSVoltage - SupplyPackagingMounting StylePackage / CaseSeriesOperating TemperatureSpeedCore SizeCore TypeClock RateProgram Memory SizeNumber of Cores/Bus WidthNumber of I/OOscillator TypeProgram Memory TypeVoltage - Supply (Vcc/Vdd)On-Chip RAMPeripheralsCore ProcessorProduct CategoryRAM SizeMemory SizeManufacturerFactory Pack QuantityNumber of TimersData ConvertersNumber of Counter/TimersHeightLengthNumber of Inputs and TypeConnectivityInterfaceResolution (Bits)Memory TypeNumber of ChannelsMounting TypeOther NamesFrequencyNumber of ADCs / DACsEEPROM SizeNumber of Bits per ElementTimerVoltage RatingFrequency - MaxFrequency (Center/Band)WidthNumber of PinsPackage CooledSize / DimensionNumber of PositionsUSBArchitectureRF Family/StandardMechanical LifeChannelsVoltage - Supply, DigitalCore DiameterAccessory TypePackage QuantitySupplier Device PackageTariff NoResolutionClock FrequencyNumber of DAC'sWeightMaterial FinishPulse Width Distortion (Max)Counter/TimersFPGA Core CellsConnector TypeFunctionPattern TypeTimer ResolutionTradenameProductData RateBaud RatesCurrent - SupplyData FormatSVHCPart StatusNumber of BitsTerminationFlash SizeController SeriesMicrocontroller FeaturesNumber of A/D ConvertersTemperature RangeVoltageSpgTypeFeaturesNumber of UnitsPWM ChannelAnalog Input:OutputNumber of ContactsEthernet
Z51F0811RHX
3
Z51F0811RHX

8-bit Microcontrollers - MCU Ser Core Fl MCU, 8KB Fl, 512 bytes RAM IC MCU 8BIT 8KB FLASH 20TSSOP

Littelfuse, Inc.

-70RoHS Compliant1.8 V to 5.5 VTubeSMD/SMTTSSOP-20Z51F0811- 40 C to + 85 C12MHz8-BitZ8051128 MHz8KB8 bit18InternalFLASH1.8 V ~ 5.5 VYesBrown-out Detect/Reset, POR, PWM, WDT8051-256 x 8256 BZiLOG--A/D 9x12b----I²C, SPI, UART/USART-----269-4841--512 x 8-------------New Product: New from this manufacturer.-------------------------------------------
Z51F0410HCX
3
Z51F0410HCX

8-bit Microcontrollers - MCU Ser Core Fl MCU, 4KB Fl, 256 bytes RAM IC MCU 8BIT 4KB FLASH 10SOP

Littelfuse, Inc.

-90RoHS Compliant1.8 V to 5.5 VTubeSMD/SMTSSOP-10Z51F0410- 40 C to + 85 C8MHz8-BitZ80518 MHz4 KB8 bit8InternalFLASH1.8 V ~ 5.5 VYesBrown-out Detect/Reset, POR, PWM, WDT8051-256 x 8256 BZiLOG--A/D 8x12b----I²C, UART/USART-----269-4843--256 x 8-------------New Product: New from this manufacturer.-------------------------------------------
Z0220112VSGR3470
Z0220112VSGR3470

Telecom ICs MODEM 2400BPS DSP IC MODEM 2400BPS DSP AFE 44-PLCC Network Controller & Processor ICs MODEM 2400BPS DSP

Littelfuse, Inc.

-25RoHS Compliant4.5 V ~ 5.5 VTubeSMD/SMTPLCC-44Z0220112V0 C-------------Telecom ICs--ZiLOG25-------Parallel, Serial---Surface Mount-12.288 MHz---------------------44-PLCC--------------Modems2.4 kb/s2.4k50 mAV.21, V.22, V.23, Bell 103, Bell 212A------------------
Z8F0422SJ020SG
3
Z8F0422SJ020SG

8-bit Microcontrollers - MCU 4K FLASH w/1K RAM IC ENCORE MCU FLASH 4K 28SOIC

Littelfuse, Inc.

-27RoHS Compliant2.7 V to 3.6 VTubeSMD/SMTSOIC-28Z8F042xx+ 70 C20MHz8-BiteZ820 MHz4 KB8 bit19InternalFlash2.7 V ~ 3.6 VYesBrown-out Detect/Reset, POR, PWM, WDTeZ88-bit Microcontrollers - MCU1K x 81 KBZiLOG272A/D 5x10b2 Timer2.44 mm18 mm19 I/OI²C, IrDA, SPI, UART/USARTI2C, SPI, UART10 bitFlash5--20MHz5-10 bit-------------192.7 V ~ 3.6 V8-BitBrown-out Detect/Reset, POR, PWM, WDT---------------------------------------
Z8F6421VN020SG
6
Z8F6421VN020SG

8-bit Microcontrollers - MCU 64K FLASH ENHANCED 4K RAM 2 UARTS IC ENCORE MCU FLASH 64K 44PLCC Z8F6421VN020SG, 8 bit Microcontroller Z8 20MHz 64kb Flash, 4kb RAM, I2C SPI 44-Pin PLCC 8BIT FLASH Z8 MCU, 8F6421, PLCC44 Z8F6421VN020SG Zilog Z8 Encore! XP 系列 8 bit Z8 MCU, 20MHz, 64 kB ROM 闪存, 4 kB RAM, 44针 PLCC封装

Littelfuse, Inc.

-25RoHS Compliant3 V to 3.6 VTubeSMD/SMTPLCC-44Z8F642x+ 70 C20MHz8-BiteZ820 MHz64 KB8 bit31InternalFlash3 V ~ 3.6 VYesBrown-out Detect/Reset, DMA, POR, PWM, WDTeZ88-bit Microcontrollers - MCU4K x 84 KB-253A/D 8x10b-3.86mm16.66mm-I²C, IrDA, SPI, UART/USARTI2C, SPI, UART10bit:Flash0Surface Mount--8-:163 x 16 bit3 → 3.6 V20MHz16bit16.66mm:44PLCC16.66 x 16.66 x 3.86mm440CISCZ8 Encore! XP-------8542319016bit:20MHz10.0074:-3 x 16 bit------------:No SVHC (20-Jun-2013):8F6421:8:SMD:64KB:Z8:Flash, w/PWM, SPI, UARTs with IrDA:8:Commercial---------
Z8S18020VSG
4
Z8S18020VSG

Microprocessors - MPU 20MHz STATIC Z180 IC Z180 MPU 68-PLCC IC, MICROPROCESSOR, Z180, 68 PLCC Microcontroller; 20MHz; PLCC68

Littelfuse, Inc.

-20RoHS Compliant3.3 V, 5 VTubeSMD/SMTPLCC-68Z8S180X+ 70 C20MHz:-Z8020 MHz:1MB8 bit----No--Microprocessors - MPU---202------SCI---Surface Mount-20MHz--------:68-----------368-PLCC85423190-:20MHz-0.001:-----------------------5V3Z80Enhanced Z1801----
Z8F021APJ020SG2156
2
Z8F021APJ020SG2156

8-bit Microcontrollers - MCU 2K FLASH 512B RAM IC ENCORE MCU 2K FLASH 28PDIP

Littelfuse, Inc.

-15RoHS Compliant2.7 V to 3.6 VTubeThrough HolePDIP-28Z8F021Ax+ 70 C20MHz8-BiteZ820 MHz2 KB8 bit25InternalFlash2.7 V ~ 3.6 VYesBrown-out Detect/Reset, LED, LVD, POR, PWM, WDTeZ88-bit Microcontrollers - MCU512 x 8512 KBZiLOG-3-3 Timer--25 I/OIrDA, UART/USARTIrDA, UART-RAM-----64 x 8---------------------------------------------------------
Z86E0412SEG1903
2
Z86E0412SEG1903

8-bit Microcontrollers - MCU 1K OTP 12MHz OSC XT IC Z8 1K OTP 12MHZ RC OSC 18SOIC

Littelfuse, Inc.

-40RoHS Compliant4.5 V to 5.5 VTubeSMD/SMTSOIC-18Z86E04x+ 85 C12MHz8-BitZ812 MHz1 KB8 bit14InternalCMOS4.5 V ~ 5.5 VNoPOR, WDTZ88-bit Microcontrollers - MCU125 x 8125 BZiLOG402CMOS2 Timer2.44 mm11.75 mm14 I/O--No ADC----------------------------------------------------------------
Z8F6421AN020SG
4
Z8F6421AN020SG

8-bit Microcontrollers - MCU 64K FLASH ENHANCED 4K RAM 2 UARTS IC ENCORE MCU FLASH 64K 44LQFP Z8F6421AN020SG, 8 bit Microcontroller Z8 20MHz 64kb Flash, 4kb RAM, I2C SPI 44-Pin LQFP Z8ENCOREXP64KFLASH Zilog Z8 Encore! XP 系列 8 bit Z8 MCU, 20MHz, 64 kB ROM 闪存, 4 kB RAM, 44针 LQFP封装

Littelfuse, Inc.

-160RoHS Compliant3 V to 3.6 VTubeSMD/SMTLQFP-44Z8F642x+ 70 C20MHz8-BiteZ820 MHz64 KB8 bit31InternalFlash3 V ~ 3.6 VYesBrown-out Detect/Reset, DMA, POR, PWM, WDTeZ88-bit Microcontrollers - MCU4K x 84 KBZiLOG1603A/D 8x10b3 Timer1.45mm10.1mm31 I/OI²C, IrDA, SPI, UART/USARTI2C, SPI, UART10bit闪存0Surface Mount--8--3 x 16 bit3 → 3.6 V20MHz16bit10.1mm44LQFP10.1 x 10.1 x 1.45mm440CISCZ8 Encore! XP-----LQFP--16bit-1--3 x 16 bit3Z82YCISC16Bit--------------------38 x 10 位1-
Z8F0830PJ020SG
2
Z8F0830PJ020SG

8-bit Microcontrollers - MCU 12K Flash NVDS ADC IC ENCORE XP MCU FLASH 8K 28DIP

Littelfuse, Inc.

-15RoHS Compliant2.7 V to 3.6 VTubeThrough HolePDIP-28Z8F083xx+ 70 C20MHz8-BiteZ820 MHz8 KB8 bit23InternalFlash2.7 V ~ 3.6 VYesBrown-out Detect/Reset, LED, POR, PWM, WDTeZ88-bit Microcontrollers - MCU256 x 8256 BZiLOG152A/D 8x10b2 Timer4.19 mm37.34 mm23 I/O------269-4532------------------------------------Z8 ENCORE-----------------------
EZ80F91AZ050EG
4
EZ80F91AZ050EG

8-bit Microcontrollers - MCU 50MHz 256K Flash IC ACCLAIM MCU 256KB 144LQFP EZ80F91AZ050EG, 8 bit Microcontroller eZ80 50MHz 1, 256MB, kB Flash, 528kb RAM, CAN I2C SPI 144-Pin LQFP Zilog eZ80Acclaim! 系列 8 bit eZ80 MCU, 50MHz, 1 MB, 256 kB ROM 闪存, 16 kB RAM, 144针 LQFP封装

Littelfuse, Inc.

-60RoHS Compliant3 V to 3.6 VTubeSMD/SMTLQFP-144EZ80F91x+ 105 C50MHz8-BiteZ8050 MHz256 KB8 bit32InternalFlash3 V ~ 3.6 VNoBrown-out Detect/Reset, POR, PWM, WDTeZ808-bit Microcontrollers - MCU16K x 816 KBZiLOG604Flash4 Timer1.45mm20.1mm32 I/OEthernet, I²C, IrDA, SPI, UART/USARTI2C, IrDA, SPI, UARTNo ADC闪存0Surface Mount-----4 x 16 bit3 → 3.6 V50MHz16bit20.1mm144LQFP20.1 x 20.1 x 1.45mm1440CISCeZ80Acclaim!-----LQFP--------4EZ802YCISC16Bit-----------------------1
Z86E0812PSG1903
4
Z86E0812PSG1903

8-bit Microcontrollers - MCU 2K OTP 12MHz OSC IC Z8 2K OTP 12MHZ RC OSC 18-DIP Z86E0812PSG1903, 8 bit Microcontroller Z8 12MHz 2kb EPROM, 125B RAM, 18-Pin PDIP

Littelfuse, Inc.

-20RoHS Compliant4.5 V to 5.5 VTubeThrough HolePDIP-18Z86E08x+ 70 C12MHz8-BitZ812 MHz2 KB8 bit14InternalOTP4.5 V ~ 5.5 VNoPOR, WDTZ88-bit Microcontrollers - MCU125 x 8125 BZiLOG202OTP2 Timer3.43mm23.37mm14 I/O--No ADC-0Through Hole-----2 x 8 bit4.5 → 5.5 V12MHz8bit6.48mm-PDIP23.37 x 6.48 x 3.43mm180CISCZ8--------------------------------------------
Z8F011AHH020EG
2
Z8F011AHH020EG

8-bit Microcontrollers - MCU 1K FLASH 256B RAM IC ENCORE XP MCU FLASH 1K 20SSOP

Littelfuse, Inc.

-67RoHS Compliant2.7 V to 5.6 VTubeSMD/SMTSSOP-20Z8F011Ax+ 105 C20MHz8-BiteZ820 MHz1 KB8 bit20InternalFlash2.7 V ~ 3.6 V-Brown-out Detect/Reset, LED, LVD, POR, PWM, WDTeZ88-bit Microcontrollers - MCU256 x 8256 B-672-----IrDA, UART/USARTUART-------16 x 8-------------Obsolete-------------------------------------------
EZ80L92AZ050SG
3
EZ80L92AZ050SG

8-bit Microcontrollers - MCU 50MHz 64Kb Flash IC WEBSERVER 50MHZ 100LQFP

Littelfuse, Inc.

-90RoHS Compliant3 V to 3.6 VTubeSMD/SMTLQFP-100EZ80L92x+ 70 C50MHz8-BiteZ8050 MHz64 KB8 bit24InternalROMless3 V ~ 3.6 VNoDMA, WDTeZ808-bit Microcontrollers - MCU--ZiLOG906-6 Timer1.4 mm14 mm24 I/OEBI/EMI, I²C, IrDA, SPI, UART/USARTI2C, SPI, UARTNo ADC----------------------------------------------------------------
Z8FMC16100QKEG
3
Z8FMC16100QKEG

8-bit Microcontrollers - MCU 16K Flash 512K RAM IC ENCORE MC MCU FLASH 16K 32QFN

Littelfuse, Inc.

-490RoHS Compliant2.7 V to 3.6 VTubeSMD/SMTQFN-32Z8FMC16x+ 105 C20MHz8-BiteZ820 MHz16 KB8 bit17InternalFlash2.7 V ~ 3.6 VYesBrown-out Detect/Reset, Motor Control PWM, POR, PWM, WDTeZ88-bit Microcontrollers - MCU512 x 8512 BZiLOG49016 BitA/D 8x10b16 Timer0.95 mm5 mm17 I/OI²C, IrDA, LIN, SPI, UART/USARTI2C, SPI, UART----269-3832------------------------------------------------------------
Z8F6421VN020EG
3
Z8F6421VN020EG

8-bit Microcontrollers - MCU 64K FLASH ENHANCED 4K RAM 2 UARTS IC ENCORE MCU FLASH 64K 44PLCC

Littelfuse, Inc.

-25RoHS Compliant3 V to 3.6 VTubeSMD/SMTPLCC-44Z8F642x+ 105 C20MHz8-BiteZ820 MHz64 KB8 bit31InternalFlash3 V ~ 3.6 VYesBrown-out Detect/Reset, DMA, POR, PWM, WDTeZ88-bit Microcontrollers - MCU4K x 84 KBZiLOG253A/D 8x10b3 Timer3.86 mm16.66 mm31 I/OI²C, IrDA, SPI, UART/USARTI2C, SPI, UART10 bitSRAM8---8-10 bit--------------------------------------------------------
EZ80F92AZ020EG
3
EZ80F92AZ020EG

8-bit Microcontrollers - MCU 20MHz 128K Flash IC ACCLAIM MCU 128KB 100LQFP

Littelfuse, Inc.

-90RoHS Compliant3 V to 3.6 VTubeSMD/SMTLQFP-100EZ80F92x+ 105 C20MHz8-BiteZ8020 MHz128 KB8 bit24InternalFlash3 V ~ 3.6 VNoBrown-out Detect/Reset, POR, WDTeZ808-bit Microcontrollers - MCU8K x 88 KBZiLOG906Flash6 Timer1.4 mm14 mm24 I/OI²C, IrDA, SPI, UART/USARTI2C, IrDA, SPI, UARTNo ADCFlash---20MHz----------------243 V ~ 3.6 V8-BitBrown-out Detect/Reset, POR, WDT---------------------------------------
Z86E0812SEG
2
Z86E0812SEG

8-bit Microcontrollers - MCU 2K OTP 12MHz XTEMP IC Z8 2K OTP 12MHZ XTEMP 18-SOIC

Littelfuse, Inc.

-40RoHS Compliant4.5 V to 5.5 VTubeSMD/SMTSOIC-18Z86E08x+ 70 C12MHz8-BitZ812 MHz2 KB8 bit14InternalOTP4.5 V ~ 5.5 VNoPOR, WDTZ88-bit Microcontrollers - MCU125 x 8125 BZiLOG402OTP2 Timer2.44 mm11.75 mm14 I/O--No ADCOTP---12MHz----------------144.5 V ~ 5.5 V8-BitPOR, WDT---------------------------------------
Z86E4312PSG
2
Z86E4312PSG

8-bit Microcontrollers - MCU Z8 4K OTP 12MHz IC MCU 8BIT 4KB OTP 40DIP

Littelfuse, Inc.

-10RoHS Compliant3.5 V to 5.5 VTubeThrough HolePDIP-40Z86E4xx+ 70 C12MHz8-BitZ812 MHz4 KB8 bit32InternalOTP3.5 V ~ 5.5 VNoPOR, WDTZ88-bit Microcontrollers - MCU236 x 8236 BZiLOG102OTP2 Timer3.94 mm52.58 mm32 I/OEBI/EMI-No ADC----------------------------------------------------------------
Z8F083APH020SG
3
Z8F083APH020SG

8-bit Microcontrollers - MCU 8K 2.15 mSADC NVDS MCU 8KB FLASH 256K RAM 20-PDIP

Littelfuse, Inc.

-18RoHS Compliant3.6 VTubeThrough HolePDIP-20Z8F083xx+ 70 C20MHz8-BiteZ820 MHz8 KB8 bit23InternalFlash2.7 V ~ 3.6 VYesBrown-out Detect/Reset, LED, POR, PWM, WDTeZ88-bit Microcontrollers - MCU256 x 8256 BZiLOG182A/D 7x10b2 Timer3.68 mm26.92 mm23 I/O--10 bit-7-269-4549-5-7-10 bit--------------------------------Z8 ENCORE-----------------------
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