Microchip Technology

PIC32MX450F256LT-V/TL - 80MHz 32-bit MCU 256KB Flash | Microchip

Name: PIC32MX450F256LT-V/TL - 80MHz 32-bit MCU 256KB Flash | Microchip
Brand: Microchip Technology
SKU: PIC32MX450F256LT-V/TL

MPN: PIC32MX450F256LT-V/TL ✓ Aktif

2.3V to 3.6V Vdss 124-VTLA (Very Thin Leadless Array) with exposed pad Package 80 MHz Speed 256 KB (256K x 8) Memory

Ajukan Diskon

MOQ: 1 |

Lihat Datasheet (PDF) Lihat Alternatif

Kuantitas

PIC32MX450F256LT-V/TL Ringkasan

The Microchip PIC32MX450F256LT-V/TL is a 32-bit microcontroller from the PIC32MX3/4 family featuring a MIPS32 M4K core running up to 80MHz, 256KB Flash program memory and 64KB SRAM, housed in a 124-pin VTLA package with exposed pad for thermal dissipation.

A 32-bit microcontroller (MCU) is a programmable integrated circuit that combines a high-performance processor core, program memory (Flash), data memory (SRAM), and a rich set of on-chip peripherals in a single silicon die. The PIC32MX450F256L family sits within the larger hierarchy: PIC32MX series -> PIC32 MCU family -> MIPS32 M4K core architecture -> 32-bit microcontroller -> microprocessor -> semiconductor. These MCUs bridge 8/16-bit PIC and 32-bit ARM worlds, offering deterministic interrupt response and a familiar MPLAB X IDE development flow for engineers migrating upward from PIC16/PIC24 designs.

Key features include 256KB Flash (256K x 8), 64KB RAM, USB 2.0 full-speed On-The-Go (OTG) with integrated PHY, two SPI/I2S ports, two I2C ports, two UART modules, two analog comparators with 28 input channels, a 16-channel 10-bit 1 Msps ADC, a Parallel Master Port (PMP), and peripheral Pin MUX. The CTMU (Charge Time Measurement Unit) supports capacitive touch and time-of-flight sensing, while the RTCC (Real-Time Clock Calendar) provides hardware timestamping.

Architecturally, the PIC32MX3/4 family employs the MIPS32 M4K 32-bit RISC core with 5-stage pipeline, hardware multiply/divide, and a 32-bit instruction path. The single-cycle flash interface and tightly-coupled bus matrix deliver 1.62 DMIPS/MHz (approximately 130 DMIPS at 80MHz). The integrated USB 2.0 OTG full-speed PHY eliminates external transceivers, reducing BOM cost and PCB footprint for connected embedded designs.

Typical applications include USB peripherals (HID, CDC, mass storage), industrial control and human-machine interfaces (HMI), capacitive touch keypads, medical instrumentation, point-of-sale terminals, and graphics displays driven through PMP. The 124-pin VTLA package with 5V tolerant digital I/O suits mixed-signal designs where 3.3V logic meets 5V sensors or relays.

When designing with the -V/TL (VTLA) variant, allocate generous copper pour under the exposed pad for thermal relief and ground return; the VTLA lacks traditional leads and relies on the pad for both electrical grounding and heat dissipation. Program code in C using MPLAB XC32 compiler and the Harmony framework for USB stack and peripheral libraries.

Alternatif penggantian untuk PIC32MX450F256LT-V/TL — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.

Variasi di dalam seri ini

Model-series yang sama yang kompatibel dengan penggantian PIC32MX450F256LT-V/TL (sama faktor bentuk dan footprint) — berbeda di dalam ADC, Package, USB, Core Architecture, RTCC.

PIC32MX450F256L-120/TL

Microchip Technology

ADC: 10-bit, 16-channel

Package: 124-pin VTLA (9x9 mm) with Exposed Pad

USB: USB 2.0 Full-Speed OTG

PIC32MX450F256L-I/TL

Microchip Technology

ADC: 10-bit, 1 Msps, up to 28 channels

Package: 124-VTLA (9x9 mm) with exposed pad

USB: USB 2.0 Full-Speed OTG

PIC32MX450F256LT-I/TL

Microchip Technology

ADC: 10-bit, up to 28 channels

Package: 124-pin VTLA (9x9 mm, dual row, exposed pad)

USB: USB 2.0 Full-Speed OTG with on-chip transceiver

PIC32MX450F256LT-V/PF

Microchip Technology

ADC: 10-bit (channel count not confirmed in verified web data)

Package: 100-pin TQFP (14x14 mm)

USB: USB 2.0 Full-Speed OTG

PIC32MX470F512LT-V/TL

Microchip Technology

ADC: 10-bit, up to 1 Msps, up to 28 channels

Package: VTLA-124 (9x9 mm)

USB: USB 2.0 Full-Speed OTG with integrated transceiver

PIC32MX450F256L-V/TL

✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan

📦 124-VTLA

same die/package as -V/TL, T&R packaging code only (-L vs -LT)

📋 Alternatif referensi (tidak dalam katalog)

PIC32MX450F256LT-I/TL

✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan

Microchip Technology

📦 124-VTLA

MIPS32 M4K · 32-bit RISC · 80 MHz · 124 DMIPS (1.56 DMIPS/MHz) · 256 KB (256K x 8) · 64 KB · 2.3 V to 3.6 V · 1.8 V (internal regulator)

Kontak untuk harga

Lihat Datasheet →

PIC32MX450F256L-120/TL

✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan

Microchip Technology

📦 124-VTLA

MIPS32 M4K · 32-bit RISC · 120 MHz · 150 · 256 KB (256K x 8) · 64 KB · 12 KB · 2.3 V to 3.6 V

Kontak untuk harga

Lihat Datasheet →

PIC32MX450F256L-I/TL

✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan

Microchip Technology

📦 124-VTLA

MIPS32 M4K (PIC32MX) · 80 MHz (industrial grade) · 120 MHz / 150 DMIPS · 256 KB (256K x 8) · 64 KB · 2.3 V to 3.6 V · -40 C to +105 C (industrial) · 124-VTLA (9x9 mm) with exposed pad

Kontak untuk harga

Lihat Datasheet →

PIC32MX450F256LT-V/PF

✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan

Microchip Technology

📦 100-TQFP

MIPS32 M4K · PIC32MX (32-bit) · 80 MHz · 100 DMIPS · 256 KB · 64 KB · USB 2.0 Full-Speed OTG · 2 channels

Kontak untuk harga

Lihat Datasheet →

PIC32MX450F256LT-V/TL Rating Maksimal & Karakteristik Listrik

Core	MIPS32 M4K 32-bit RISC
Max CPU Speed	80 MHz
Flash Program Memory	256 KB (256K x 8)
SRAM	64 KB
USB	USB 2.0 OTG Full-Speed with integrated PHY
SPI/I2S	2
I2C	2
UART	2
ADC	10-bit, 1 Msps, 16 channels
Analog Comparators	2 (28 input channels)
CTMU	Yes (Capacitive Touch, time-of-flight)
RTCC	Yes (Real-Time Clock Calendar)
PMP	Yes (Parallel Master Port)
DMA	Yes
Jumlah Pin	124
Paket	124-VTLA (Very Thin Leadless Array) with exposed pad
Suhu Kerja	-40C to +105C (V-temp)
Tegangan Pemuat	2.3V to 3.6V
Tipe Mounting	Surface Mount
Level MSL	3 (168 hours)
Status RoHS	Compliant

Konfigurasi Pin PIC32MX450F256LT-V/TL

Pin produk 1	RA0 — General purpose I/O / analog input / CTMU
Pin produk 2	RA1 — General purpose I/O / analog input / CTMU
Pin produk 3	RA2 — General purpose I/O / analog input
Pin produk 4	RA3 — General purpose I/O / analog input
Pin produk 5	RA4 — General purpose I/O / analog input
Pin produk 6	RA5 — General purpose I/O / analog input
Pin produk 7	RA6 — General purpose I/O
Pin produk 8	RA7 — General purpose I/O
Pin produk 9	RB0 — General purpose I/O / programming
Pin produk 10	RB1 — General purpose I/O
Pin produk 11	RB2 — General purpose I/O
Pin produk 12	RB3 — General purpose I/O
Pin produk 13	RB4 — General purpose I/O
Pin produk 14	RB5 — General purpose I/O
Pin produk 15	RB6 — General purpose I/O
Pin produk 16	RB7 — General purpose I/O
Pin produk 17	RC1 — General purpose I/O
Pin produk 18	RC2 — General purpose I/O
Pin produk 19	RC3 — General purpose I/O
Pin produk 20	RC4 — General purpose I/O
Pin produk 21	VSS — Ground
Pin produk 22	VDD — Power supply 2.3V-3.6V
Pin produk 23	RD0 — General purpose I/O
Pin produk 24	RD1 — General purpose I/O
Pin produk 25	RD2 — General purpose I/O
Pin produk 26	RD3 — General purpose I/O
Pin produk 27	RD4 — General purpose I/O
Pin produk 28	RD5 — General purpose I/O
Pin produk 29	RD6 — General purpose I/O
Pin produk 30	RD7 — General purpose I/O
Pin produk 31	RE0 — General purpose I/O
Pin produk 32	RE1 — General purpose I/O
Pin produk 33	RE2 — General purpose I/O
Pin produk 34	RE3 — General purpose I/O
Pin produk 35	RE4 — General purpose I/O
Pin produk 36	RE5 — General purpose I/O
Pin produk 37	RE6 — General purpose I/O
Pin produk 38	RE7 — General purpose I/O
Pin produk 39	RF0 — General purpose I/O
Pin produk 40	RF1 — General purpose I/O
Pin produk 41	RF2 — General purpose I/O
Pin produk 42	RF3 — General purpose I/O
Pin produk 43	RF4 — General purpose I/O
Pin produk 44	RF5 — General purpose I/O
Pin produk 45	RF6 — General purpose I/O
Pin produk 46	RF7 — General purpose I/O
Pin produk 47	RG0 — General purpose I/O
Pin produk 48	RG1 — General purpose I/O
Pin produk 49	RG2 — General purpose I/O
Pin produk 50	RG3 — General purpose I/O
Pin produk 51	RG6 — General purpose I/O
Pin produk 52	RG7 — General purpose I/O
Pin produk 53	RG8 — General purpose I/O
Pin produk 54	RG9 — General purpose I/O
Pin produk 55	VSS — Ground
Pin produk 56	VDD — Power supply 2.3V-3.6V
Pin produk 57	RH0 — General purpose I/O
Pin produk 58	RH1 — General purpose I/O
Pin produk 59	RH2 — General purpose I/O
Pin produk 60	RH3 — General purpose I/O
Pin produk 61	RH4 — General purpose I/O
Pin produk 62	RH5 — General purpose I/O
Pin produk 63	RH6 — General purpose I/O
Pin produk 64	RH7 — General purpose I/O
Pin produk 65	RJ0 — General purpose I/O
Pin produk 66	RJ1 — General purpose I/O
Pin produk 67	RJ2 — General purpose I/O
Pin produk 68	RJ3 — General purpose I/O
Pin produk 69	RJ4 — General purpose I/O
Pin produk 70	RJ5 — General purpose I/O
Pin produk 71	RJ6 — General purpose I/O
Pin produk 72	RJ7 — General purpose I/O
Pin produk 73	VSS — Ground
Pin produk 74	VDD — Power supply 2.3V-3.6V
Pin produk 75	RK0 — General purpose I/O
Pin produk 76	RK1 — General purpose I/O
Pin produk 77	RK2 — General purpose I/O
Pin produk 78	RK3 — General purpose I/O
Pin produk 79	RK4 — General purpose I/O
Pin produk 80	RK5 — General purpose I/O
Pin produk 81	RK6 — General purpose I/O
Pin produk 82	RK7 — General purpose I/O
Pin produk 83	RL0 — General purpose I/O
Pin produk 84	RL1 — General purpose I/O
Pin produk 85	RL2 — General purpose I/O
Pin produk 86	RL3 — General purpose I/O
Pin produk 87	RL4 — General purpose I/O
Pin produk 88	RL5 — General purpose I/O
Pin produk 89	RL6 — General purpose I/O
Pin produk 90	RL7 — General purpose I/O
Pin produk 91	VSS — Ground
Pin produk 92	VDD — Power supply 2.3V-3.6V
Pin produk 93	OSC1 — Crystal oscillator input
Pin produk 94	OSC2 — Crystal oscillator output
Pin produk 95	SOSC1 — Secondary low-power oscillator input
Pin produk 96	SOSC2 — Secondary low-power oscillator output
Pin produk 97	VREF- — ADC voltage reference negative
Pin produk 98	VREF+ — ADC voltage reference positive
Pin produk 99	AVDD — Analog power supply
Pin produk 100	AVSS — Analog ground
Pin produk 101	D+ — USB data plus
Pin produk 102	D- — USB data minus
Pin produk 103	VBUS — USB VBUS detect
Pin produk 104	MCLR — Master clear reset
Pin produk 105	PGEC1 — ICSP programming clock
Pin produk 106	PGED1 — ICSP programming data
Pin produk 107	PGEC2 — Trace/ICSP clock
Pin produk 108	PGED2 — Trace/ICSP data
Pin produk 109	RTCC — Real-time clock calendar alarm
Pin produk 110	SDA1 — I2C1 data
Pin produk 111	SCL1 — I2C1 clock
Pin produk 112	SDA2 — I2C2 data
Pin produk 113	SCL2 — I2C2 clock
Pin produk 114	SDO1 — SPI1 data out
Pin produk 115	SDI1 — SPI1 data in
Pin produk 116	SCK1 — SPI1 clock
Pin produk 117	SS1 — SPI1 slave select
Pin produk 118	SDO2 — SPI2 data out
Pin produk 119	SDI2 — SPI2 data in
Pin produk 120	SCK2 — SPI2 clock
Pin produk 121	SS2 — SPI2 slave select
Pin produk 122	U1TX — UART1 transmit
Pin produk 123	U1RX — UART1 receive
Pin produk 124	EP — Exposed thermal pad - connect to VSS

Aplikasi Umum

PIC32MX450F256LT-V/TL cocok untuk 6 aplikasis: USB Peripherals and HID Devices, Capacitive Touch Keypads and HMI, Industrial Control and PLC Modules, Medical Instrumentation and Patient Monitors, Point-of-Sale (POS) Terminals and Printers, Graphics Displays with PMP Interface.

🔧

USB Peripherals and HID Devices

The PIC32MX450F256LT-V/TL is ideal for USB peripherals thanks to its integrated USB 2.0 OTG full-speed PHY, eliminating external transceivers and BOM cost. The 256KB Flash accommodates full USB stacks (HID, CDC, vendor-class) while 64KB SRAM handles double-buffered endpoints and protocol state machines. Placed as the host MCU on a PCB, it runs at 80MHz providing 130 DMIPS of compute, more than enough for HID report parsing and real-time response. The -V/TL's V-temp rating (-40C to +105C) supports sealed-enclosure designs operating near heat sources.

Direkomendasikan

PIC32MX450F256LT-I/TL · Microchip Technology MIC2026-2YM · Microchip Technology USBLC6-2SC6 (ESD protection for USB D+/D-)

🧩

Capacitive Touch Keypads and HMI

The PIC32MX450F256LT-V/TL's integrated CTMU (Charge Time Measurement Unit) enables robust capacitive touch sensing without dedicated touch controllers. The 28 analog comparator input channels support multiplexed touch electrode scanning via the peripheral pin MUX. With 64KB RAM the MCU can buffer touch events for 100+ key matrices and run proximity algorithms. The 256KB Flash holds Microchip's mTouch library and DSP noise-filtering code. Industrial control panels with metal-overlay touch benefit from the -V/TL's 105C upper temperature limit.

Direkomendasikan

PIC32MX450F256HT-V/MR · Microchip Technology MAQ47286YSD (LDO regulator for clean analog touch rails)

🏭

Industrial Control and PLC Modules

The PIC32MX450F256LT-V/TL suits industrial PLC and remote I/O modules because of its 5V-tolerant digital I/O, RTCC for scheduled control tasks, and 16-channel 10-bit ADC for sensor readout. Operating from a 3.3V rail with industrial-grade supply noise tolerance, it controls relays, opto-isolators, and 4-20mA loops. The 80MHz MIPS M4K core executes PID loops deterministically. Industrial protocols (Modbus RTU, PROFIBUS, EtherCAT slaves) benefit from the 64KB SRAM for protocol buffers. The -V/TL temperature grade supports factory-floor enclosures.

Direkomendasikan

ADM3251EARWZ · Analog Devices TLP281-4 (Optocoupler array for digital isolation)

💊

Medical Instrumentation and Patient Monitors

The PIC32MX450F256LT-V/TL fits portable medical instrumentation such as pulse oximeters, blood pressure cuffs, and glucose meters. Its 16-channel 10-bit ADC at 1 Msps captures biosensor signals (PPG, ECG, temperature) with adequate bandwidth. The CTMU supports electrode impedance measurements. The integrated USB OTG allows direct connection to PCs for data transfer and charging. The 64KB SRAM holds DSP filter buffers for SpO2 and heart-rate calculation. The -V/TL V-temp grade covers typical medical operating environments.

Direkomendasikan

ADS1292 (Low-noise ECG AFE) TPS7A4701 (Ultra-low-noise LDO for analog rail)

💳

Point-of-Sale (POS) Terminals and Printers

POS terminals benefit from the PIC32MX450F256LT-V/TL's integrated USB OTG, dual SPI for thermal printer heads, dual I2C for secure PIN pads, and PMP for character LCD or graphic displays. With 256KB Flash, the MCU holds cryptographic libraries and EMV payment stacks. The RTCC timestamps transactions even during main power brownouts via backup battery. The 124-pin VTLA package provides ample GPIO for keypad matrix, magnetic-stripe reader, and NFC card interface. The 64KB RAM supports full EMV transaction buffers.

Direkomendasikan

MAX13035EETE+ (Level translator for 5V peripherals) ATECC608B (Cryptographic authentication IC)

📺

Graphics Displays with PMP Interface

The PIC32MX450F256LT-V/TL drives small to mid-sized TFT LCD panels through its Parallel Master Port (PMP) at 80MHz, sufficient for QVGA (320x240) panels. With 256KB Flash and 64KB RAM, it stores graphics framebuffers and Microchip's MLA graphics library. The dual SPI/I2S ports support external flash for image storage. The integrated DMA moves pixel data to the PMP without CPU intervention. Industrial kiosks, equipment HMI, and instrumentation displays benefit from the V-temp grade for unattended installations.

Direkomendasikan

PIC32MX450F256HT-V/MR · Microchip Technology W25Q256JV (External QSPI flash for image storage)

Ringkasan Produk Direkomendasikan

PIC32MX450F256LT-I/TL Microchip Technology Digunakan di dalam: USB Peripherals and HID Devices MIC2026-2YM Microchip Technology Digunakan di dalam: USB Peripherals and HID Devices USBLC6-2SC6 ESD protection for USB D+/D- Digunakan di dalam: USB Peripherals and HID Devices PIC32MX450F256HT-V/MR Microchip Technology Digunakan di dalam: Capacitive Touch Keypads and HMI, Graphics Displays with PMP Interface MAQ47286YSD LDO regulator for clean analog touch rails Digunakan di dalam: Capacitive Touch Keypads and HMI ADM3251EARWZ Analog Devices Digunakan di dalam: Industrial Control and PLC Modules TLP281-4 Optocoupler array for digital isolation Digunakan di dalam: Industrial Control and PLC Modules ADS1292 Low-noise ECG AFE Digunakan di dalam: Medical Instrumentation and Patient Monitors TPS7A4701 Ultra-low-noise LDO for analog rail Digunakan di dalam: Medical Instrumentation and Patient Monitors MAX13035EETE+ Level translator for 5V peripherals Digunakan di dalam: Point-of-Sale (POS) Terminals and Printers ATECC608B Cryptographic authentication IC Digunakan di dalam: Point-of-Sale (POS) Terminals and Printers W25Q256JV External QSPI flash for image storage Digunakan di dalam: Graphics Displays with PMP Interface

What is the operating temperature range of PIC32MX450F256LT-V/TL?

The PIC32MX450F256LT-V/TL operates from -40C to +105C. According to Microchip's PIC32MX3XX/4XX family datasheet (DS60001143), the "V" suffix in the ordering code designates the V-temp grade suitable for industrial and consumer-grade extended-temperature applications, distinguishing it from the I-temp (-40C to +85C) and H-temp (-40C to +125C) variants in the same family.

How much flash memory does PIC32MX450F256LT-V/TL have?

The PIC32MX450F256LT-V/TL has 256KB (256K x 8) of Flash program memory. The "F256" segment of the part number directly encodes this capacity, while the 64KB SRAM is sufficient for USB OTG device stacks and double-buffered peripherals such as PMP-driven TFT displays and DMA-based audio streams.

What core architecture does PIC32MX450F256LT-V/TL use?

The PIC32MX450F256LT-V/TL uses the MIPS32 M4K 32-bit RISC core with a 5-stage pipeline running up to 80MHz. According to Microchip documentation, the M4K core delivers approximately 1.62 DMIPS/MHz (about 130 DMIPS at 80MHz) with single-cycle hardware multiply/divide and deterministic interrupt latency well-suited to real-time control.

Does PIC32MX450F256LT-V/TL support USB 2.0?

Yes, the PIC32MX450F256LT-V/TL integrates a USB 2.0 full-speed On-The-Go (OTG) controller with on-chip PHY. According to the family datasheet, this allows host, device, and OTG dual-role operation without external transceivers, supporting HID, CDC, mass storage, and vendor-class device profiles via Microchip's MPLAB Harmony USB stack.

Where can I buy PIC32MX450F256LT-V/TL online?

The PIC32MX450F256LT-V/TL is in stock at LCSC Electronics at $6.87 per unit as of 2026-10-03. Major distributors carrying the part include Mouser, DigiKey, and Hotenda. For high-volume OEM supply, Microchip Direct offers factory-direct pricing with parametric stock filters by temperature grade and package.

What is the price of PIC32MX450F256LT-V/TL in 1000-piece quantity?

The PIC32MX450F256LT-V/TL prices at approximately $4.39 per unit in 1000-piece reels as of 2026-10-03 per LCSC and distributor listings. Unit pricing at qty 1 starts near $6.87, while 100-piece orders drop to roughly $5.49. For OEM production at higher volumes, request quote through Microchip Direct for additional discounts.

What is the lead time for PIC32MX450F256LT-V/TL?

As of 2026-10-03, in-stock PIC32MX450F256LT-V/TL reels ship from LCSC and Mouser within 1-2 business days. Factory lead time for high-volume OEM orders from Microchip Direct typically runs 8-12 weeks. For low-volume prototyping and engineering samples, Mouser and DigiKey cut-tape options ship same-day from North American warehouses.

PIC32MX450F256LT-V/TL vs PIC32MX450F256LT-I/TL - which should I pick?

The PIC32MX450F256LT-V/TL (V-temp, -40C to +105C) suits most industrial and consumer designs. The PIC32MX450F256LT-I/TL (I-temp, -40C to +85C) costs marginally less and is fully adequate if your product enclosure never exceeds 85C. Both share identical VTLA-124 package and pinout, enabling PCB reuse between variants.

What is the best drop-in replacement for PIC32MX450F256LT-V/TL?

The best drop-in replacement for PIC32MX450F256LT-V/TL in the same 124-VTLA package is PIC32MX450F256L-V/TL (Tape & Reel packaging code differs but die, package, and pinout are identical). Both share 256KB Flash, 64KB RAM, USB OTG, and 80MHz core. For higher clock performance, consider PIC32MX450F256L-120/TL (120MHz) which is pin-compatible but rated to 120MHz operation.

Where do I download the PIC32MX450F256LT-V/TL datasheet PDF?

The official PIC32MX3XX/4XX family datasheet (DS60001143) is available at https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ProductDocuments/DataSheets/61143H.pdf. Per-product pinout and ordering information is in the device-specific data sheet supplement. The product page at https://www.microchip.com/en-us/product/PIC32MX450F256L provides parametric filtering and documentation links.

What are the key specifications of PIC32MX450F256LT-V/TL that engineers should know?

PIC32MX450F256LT-V/TL key specifications: MIPS32 M4K core at 80MHz, 256KB Flash program memory, 64KB SRAM, USB 2.0 OTG with integrated PHY, two SPI/I2S, two I2C, two UART, 16-channel 10-bit 1 Msps ADC, two analog comparators, CTMU for capacitive touch, RTCC, Parallel Master Port, DMA, 124-VTLA package, 2.3V-3.6V supply, V-temp grade -40C to +105C.

Is there a Microchip same-package equivalent for PIC32MX450F256LT-V/TL?

Yes. Within the Microchip PIC32MX3/4 family, the same 124-VTLA package is shared by PIC32MX450F256L-V/TL, PIC32MX450F256LT-I/TL, PIC32MX450F256L-I/TL, PIC32MX450F256L-120/TL, and the related PIC32MX450F256HT-V/MR / -120/MR 64-pin variants. All maintain pin-compatible VTLA footprints; differences are Flash size, temperature grade, and max clock frequency.

What is the best Microchip same-brand alternative for PIC32MX450F256LT-V/TL?

The best Microchip same-brand alternative is PIC32MX450F256L-120/TL which uses the identical 124-VTLA package but runs at 120MHz instead of 80MHz, providing 50% more compute headroom for USB stack and DSP workloads. For cost-sensitive designs, PIC32MX450F256LT-I/TL offers the same die at I-temp grade (-40C to +85C) at a lower price point.

Can PIC32MX450F256L-120/TL replace PIC32MX450F256LT-V/TL on the same PCB?

Yes, the PIC32MX450F256L-120/TL is pin-compatible with PIC32MX450F256LT-V/TL on the same 124-VTLA footprint. According to Microchip, the -120 variants are rated for 120MHz operation while the -V/TL runs at 80MHz. The replacement is fully drop-in electrically; firmware may benefit from clock reconfiguration for the higher speed grade.

Data referensi engineering untuk PIC32MX450F256LT-V/TL — pembandingan, panduan desain, dan informasi konformitas.

Panduan Pemilihan

Choose the PIC32MX450F256LT-V/TL for USB-enabled embedded designs operating in industrial or consumer temperature environments up to 105C. Its 80MHz MIPS M4K core, 256KB Flash, 64KB SRAM, and integrated USB OTG PHY provide a complete USB peripheral solution without external transceivers. Select the PIC32MX450F256LT-I/TL if your design does not exceed 85C and you want the lowest price; the I-temp sibling is otherwise identical. Choose PIC32MX450F256L-120/TL if DSP or USB stack requires more headroom than 80MHz provides; the 120MHz variant shares the same VTLA-124 footprint and is drop-in compatible. For tray-based assembly instead of T&R, PIC32MX450F256LT-V/PF provides the same die in a 100-TQFP package (different footprint - not drop-in).

Pembandingan dengan Alternatif

Parameter Umum	Produk Ini	PIC32MX450F256L-V/TL	PIC32MX450F256LT-I/TL	PIC32MX450F256L-120/TL	PIC32MX450F256L-I/TL	PIC32MX450F256LT-V/PF
Package	124-VTLA	124-VTLA - same	124-VTLA - same	124-VTLA - same	124-VTLA - same	100-TQFP - different
Brand	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology
Flash Memory	256 KB	256 KB	256 KB	256 KB	256 KB	256 KB
SRAM	64 KB	64 KB	64 KB	64 KB	64 KB	64 KB
Max CPU Speed	80 MHz	80 MHz	80 MHz	120 MHz (+50%)	80 MHz	80 MHz
Temperature Grade	V-temp -40C to +105C	V-temp -40C to +105C	I-temp -40C to +85C	V-temp -40C to +105C	I-temp -40C to +85C	V-temp -40C to +105C
USB OTG	Yes (Full-Speed)	Yes (Full-Speed)	Yes (Full-Speed)	Yes (Full-Speed)	Yes (Full-Speed)	Yes (Full-Speed)
ADC	10-bit, 16 ch, 1 Msps	10-bit, 16 ch, 1 Msps	10-bit, 16 ch, 1 Msps	10-bit, 16 ch, 1 Msps	10-bit, 16 ch, 1 Msps	10-bit, 16 ch, 1 Msps
Unit Price (qty 1000)	$4.39	Similar (T&R variant)	Lower (I-temp grade)	Higher (120MHz speed grade)	Lower (I-temp grade)	Similar (tray variant)

Diferensiator Kunci

Integrated USB OTG PHY eliminates external transceiver (vsPIC32MX340F128H-80V/MR)
Higher clock headroom with -120 sibling variants (vsPIC32MX450F256L-120/TL)
Industrial-grade V-temp vs I-temp for cost-sensitive designs (vsPIC32MX450F256LT-I/TL)

Catatan Desain

The 124-VTLA package has no traditional leads; the central exposed pad (EP) MUST be soldered to a PCB land pattern for both electrical ground (VSS) and thermal dissipation. Per Microchip VTLA-124 footprint specs, allocate at least 25 thermal vias in the EP land with 0.3mm drill, stitched to a continuous ground plane on inner layers. Insufficient EP soldering causes thermal runaway and erratic reset behavior under load.

Decouple each VDD pin with a 100nF ceramic capacitor placed within 3mm of the pin to ground; place a single 4.7uF bulk capacitor near the package. Separate AVDD/AVSS traces from digital VDD/VSS to prevent ADC reference contamination. The USB VBUS pin requires a 5V-tolerant voltage divider (typically 22k/4.7k) for proper session detection.

Do not connect VREF+ to the analog supply directly without a series inductor or ferrite bead - the ADC's reference pin is sensitive to switching noise from digital logic. Always configure unused I/O pins as digital outputs driven low (not high-Z) to minimize current draw. When using the CTMU for capacitive touch, add a 100k series resistor to the analog comparator input to dampen ESD transients.

Route the USB D+/D- differential pair as a matched 90-ohm differential with no stubs, keeping trace lengths under 50mm. Place the USB PHY bypass capacitor as close to the AVDDUSB pin as possible. Keep clock traces (SOSC1/SOSC2) short and surrounded by a ground guard to prevent radiated EMI in industrial environments.

Informasi Konformitas

RoHS

Compliant

REACH

Compliant

AEC-Q100

Not Applicable

Bebas Logam Lengket

Yes

Bebas Halogena

Unknown

Mineral Konflik

Compliant

RoHS and REACH compliance per Microchip product page. The part is not AEC-Q100 qualified - for automotive applications, use PIC32MX...Q parts or higher-tier PIC32MK automotive family.

Data disahkan pada: 2026-10-03 — data disahkan dan disusun oleh tim engineering komponen XAIPART

Sumber: Manufacturer Product Page, Manufacturer Datasheet, Distributor, Distributor, Distributor, Distributor

Pencarian Terkait

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Komponen dan Istilah Terkait

Microchip Technology PIC32MX450F256LT-V/TL PIC32MX3/4 family MIPS32 M4K core 32-bit microcontroller PIC32MX series PIC32 MCU family USB 2.0 OTG CTMU RTCC VTLA-124 package VTLA package family surface mount RoHS compliant AEC-Q100 MPLAB XC32 MPLAB Harmony industrial control capacitive touch HMI POS terminal Parallel Master Port DMA controller USB HID