RFQ for sourcing
Package44-BQFP
MountSurface Mount
Lifecycleobsolete
ManufacturerNuvoton Technology Corporation America

Technical Specifications

CategoryIntegrated Circuits (ICs)/Microcontroller, Microprocessor, FPGA Modules
Product StatusObsolete
Operating Temperature0°C ~ 70°C (TA)
Mounting TypeSurface Mount
Package / Case44-BQFP
Supplier Device Package-
PeripheralsPOR, WDT
Number of I/ O36
Speed40MHz
E E P R O M Size-
Core Processor8051
R A M Size256 x 8
Program Memory TypeFlash
Core Size8-Bit
ConnectivityEBI/EMI, UART/USART
Program Memory Size16KB (16K x 8)
Voltage - Supply ( Vcc/ Vdd)4.5V ~ 5.5V
Data Converters-
Oscillator TypeInternal
M S L Rating3 (168 Hours,30°C/60%RH)
R E A C H StatusREACH Unaffected
U S E C C N3A991A2
H T S U S8542.31.0001
E U Ro H S StatusRoHS Compliant
China Ro H S StatusOrange Symbol: Safe for use during the environmental protection period

Product Overview

The W78E054B40FL is a microcontrollers (mcu) in the Microcontrollers & Processors family manufactured by Nuvoton Technology Corporation America. This part has been marked as obsolete by Nuvoton Technology Corporation America; FPGACenter can quote verified sourcing options through qualified specialty channels.

Key specifications include Category: Integrated Circuits (ICs)/Microcontroller, Microprocessor, FPGA Modules, Product Status: Obsolete, Operating Temperature: 0°C ~ 70°C (TA), Mounting Type: Surface Mount, Package / Case: 44-BQFP.

This device comes in a 44-BQFP package with surface mount mounting.

Submit an RFQ for W78E054B40FL; FPGACenter will verify availability, provenance, lead time, and pricing before confirming supply.

Application Areas

IoT & Smart DevicesConsumer ElectronicsIndustrial AutomationAutomotive ElectronicsWearable Technology

Frequently Asked Questions

Can FPGACenter source the W78E054B40FL?

Yes. FPGACenter can quote W78E054B40FL through qualified specialty sourcing channels. Availability, lead time, provenance, and pricing are verified before an order is confirmed.

What package type is the W78E054B40FL available in?

The W78E054B40FL by Nuvoton Technology Corporation America is available in a 44-BQFP package with surface mount mounting configuration. All parts are original and shipped in manufacturer-standard packaging.

The W78E054B40FL is marked as obsolete. Are the parts genuine?

Absolutely. All W78E054B40FL units sourced by FPGACenter are 100% original Nuvoton Technology Corporation America components. We follow IDEA-STD-1010 inspection standards and provide full traceability documentation. We specialize in obsolete part sourcing and verify availability before confirming supply.

More from Nuvoton Technology Corporation America

View All Nuvoton Technology Corporation America
ISD61S00FYI TR
ISD61S00FYI TR by Nuvoton Technology Corporation America, 2.7 V ~ 3.6 V supply voltage, with SPI interface, in 48-LQFP package, rated for -40°C ~ 85°C (TA).
54.811 pcs In Stock$3.61
N78E517ALG
N78E517ALG is a 8051 device by Nuvoton Technology Corporation America, featuring 64KB (64K x 8) Flash, 1.25K x 8 RAM, 40MHz operating frequency, 40 I/O, with EBI/EMI, SPI, UART/USART connectivity, in 48-LQFP package, rated for -40°C ~ 85°C (TA).
54.643 pcs In Stock$1.30
ISD4003-04MS
ISD4003-04MS by Nuvoton Technology Corporation America, 2.7 V ~ 3.3 V supply voltage, with SPI interface, in 28-SOIC (0.295", 7.50mm Width) package, rated for 0°C ~ 70°C (TA). This part is discontinued. FPGACenter specializes in sourcing obsolete components.
RFQ for sourcing$9.44
MINI51TAN
MINI51TAN is a ARM® Cortex®-M0 device by Nuvoton Technology Corporation America, featuring 4KB (4K x 8) Flash, 2K x 8 RAM, 24MHz operating frequency, 29 I/O, with I²C, IrDA, SPI, UART/USART connectivity, in 32-VFQFN Exposed Pad package, rated for -40°C ~ 85°C (TA). This part is discontinued. FPGACenter specializes in sourcing obsolete components.
RFQ for sourcing$0.9608
ISD4003-04ME
ISD4003-04ME by Nuvoton Technology Corporation America, 2.7 V ~ 3.3 V supply voltage, with SPI interface, in 28-TSSOP (0.465", 11.80mm Width) package, rated for 0°C ~ 70°C (TA). This part is discontinued. FPGACenter specializes in sourcing obsolete components.
RFQ for sourcing$3.83
ISD4003-08MED
ISD4003-08MED by Nuvoton Technology Corporation America, 2.7 V ~ 3.3 V supply voltage, with SPI interface, in 28-TSSOP (0.465", 11.80mm Width) package, rated for -20°C ~ 70°C (TA). This part is discontinued. FPGACenter specializes in sourcing obsolete components.
RFQ for sourcing$4.84
Get Quote