PIC16LC65B-04I/PT - 8-bit MCU 7KB OTP 192 RAM 33 I/O | Microchip
Teilenummer: PIC16LC65B-04I/PT ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $6.49 | $6,49 |
| 10 | $6.1 | $61,00 |
| 100 | $5.42 | $542,00 |
| 500 | $4.86 | $2.430,00 |
| 1.000 | $4.3 | $4.300,00 |
PIC16LC65B-04I/PT Übersicht
Key features include an industrial operating temperature range of -40C to +85C (denoted by the "I" suffix), low-power CMOS design suitable for battery-aware systems, integrated peripherals typical of the PIC16C6x family (timers, USART, capture/compare/PWM, and analog comparator), and an OTP program memory that is one-time programmable for low-to-medium volume production. The 44-TQFP (PT) package measures 10x10 mm and is supplied in tray packaging for prototyping and low-volume builds.
In the broader taxonomy, the PIC16LC65B belongs to the PIC16 mid-range MCU family, which sits under the PIC16Cxx OTP/EPROM branch of Microchip's 8-bit PIC microcontroller portfolio. Compared with PIC16F flash parts (e.g., PIC16F884), the "LC" OTP variant trades in-system re-programmability for lower unit cost in volume production, while remaining pin-for-pin compatible within the 44-TQFP (PT) footprint for many F/LC family members.
Typical applications include industrial control panels, appliance controllers, sensor interfaces, low-cost data-acquisition front-ends, and any 8-bit control task where the developer values the PIC16 mid-range instruction set and ecosystem (MPLAB X IDE, MPASM, XC8 compiler) over modern Cortex-M0 alternatives. The PIC16LC65B-04I/PT is also commonly used as a pin-compatible second-source for the PIC16C65B-04I/PT in designs where extended lead-time has driven a switch to the LC variant.
Drop-in-Alternativen für PIC16LC65B-04I/PT – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit PIC16LC65B-04I/PT (gleiche Bauform und Footprint) – abweichend in Communication Interfaces, Core Architecture, Package, Program Memory Size, Program Memory Type.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
PIC16LC65BT-04I/PT
✅ Drop-In✓ Auf Lager
$5.15 / Stück
Datenblatt ansehen →PIC16LC65A-04I/PQ
✅ Drop-In✓ Auf Lager
$5.3 / Stück
Datenblatt ansehen →PIC16LC65A-04I/P
✅ Drop-In✓ Auf Lager
$4.65 / Stück
Datenblatt ansehen →PIC16LC65B-04/PT
✅ Drop-In✓ Auf Lager
$4.75 / Stück
Datenblatt ansehen →PIC16F884-I/PT
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
PIC16LC65B-04I/PT Grenzwerte & elektrische Eigenschaften
| Core Architecture | 8-bit PIC16 RISC |
| Family | PIC16CXX mid-range |
| Program Memory Size | 7 KB (4K x 14) OTP |
| RAM Size | 192 bytes |
| Number of I/O Pins | 33 |
| Maximale Taktfrequenz | 4 MHz ("04" speed grade) |
| Supply Voltage Range | 3.0 V to 5.5 V |
| Betriebstemperaturbereich | -40 C to +85 C (industrial, "I" grade) |
| Instruction Set | 35 single-word instructions |
| Instruction Cycle Time | 1 cycle (200 ns at 20 MHz); 2 cycles for branches |
| Data EEPROM | Not present (OTP family) |
| Package Type | 44-pin TQFP (PT), 10x10 mm |
| Montageart | Surface Mount |
| MSL-Level | 3 (168 hours) |
PIC16LC65B-04I/PT Pin-Konfiguration
| Pin 1 | MCLR/VPP — Master Clear (reset) input / programming voltage input |
| Pin 2 | RA0/AN0 — PORTA bit 0 / analog input 0 |
| Pin 3 | RA1/AN1 — PORTA bit 1 / analog input 1 |
| Pin 4 | RA2/AN2 — PORTA bit 2 / analog input 2 |
| Pin 5 | RA3/AN3/VREF+ — PORTA bit 3 / analog input 3 / VREF+ |
| Pin 6 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| Pin 7 | RA5/AN4/SS — PORTA bit 5 / analog input 4 / SPI slave select |
| Pin 8 | VSS — Ground |
| Pin 9 | OSC1/CLKIN — Oscillator crystal input / external clock input |
| Pin 10 | OSC2/CLKOUT — Oscillator crystal output / clock output |
| Pin 11 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output / Timer1 clock input |
| Pin 12 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 |
| Pin 13 | RC2/CCP1 — PORTC bit 2 / CCP1 |
| Pin 14 | RC3/SCK/SCL — PORTC bit 3 / SPI SCK / I2C SCL |
| Pin 15 | RD0/PSP0 — PORTD bit 0 / parallel slave port bit 0 |
| Pin 16 | RD1/PSP1 — PORTD bit 1 / parallel slave port bit 1 |
| Pin 17 | RD2/PSP2 — PORTD bit 2 / parallel slave port bit 2 |
| Pin 18 | RD3/PSP3 — PORTD bit 3 / parallel slave port bit 3 |
| Pin 19 | RD4/PSP4 — PORTD bit 4 / parallel slave port bit 4 |
| Pin 20 | RD5/PSP5 — PORTD bit 5 / parallel slave port bit 5 |
| Pin 21 | RD6/PSP6 — PORTD bit 6 / parallel slave port bit 6 |
| Pin 22 | RD7/PSP7 — PORTD bit 7 / parallel slave port bit 7 |
| Pin 23 | VSS — Ground |
| Pin 24 | RC4/SDI/SDA — PORTC bit 4 / SPI SDI / I2C SDA |
| Pin 25 | RC5/SDO — PORTC bit 5 / SPI SDO |
| Pin 26 | RC6/TX/CK — PORTC bit 6 / USART TX / clock |
| Pin 27 | RC7/RX/DT — PORTC bit 7 / USART RX / data |
| Pin 28 | RE0/RD/AN5 — PORTE bit 0 / parallel slave port read / analog input 5 |
| Pin 29 | RE1/WR/AN6 — PORTE bit 1 / parallel slave port write / analog input 6 |
| Pin 30 | RE2/CS/AN7 — PORTE bit 2 / parallel slave port CS / analog input 7 |
| Pin 31 | VDD — Positive supply voltage |
| Pin 32 | VSS — Ground |
| Pin 33 | RB0/INT — PORTB bit 0 / external interrupt |
| Pin 34 | RB1 — PORTB bit 1 |
| Pin 35 | RB2 — PORTB bit 2 |
| Pin 36 | RB3/PGM — PORTB bit 3 / low-voltage programming input |
| Pin 37 | RB4 — PORTB bit 4 |
| Pin 38 | RB5 — PORTB bit 5 |
| Pin 39 | RB6/PGC — PORTB bit 6 / ICSP clock |
| Pin 40 | RB7/PGD — PORTB bit 7 / ICSP data |
| Pin 41 | VSS — Ground |
| Pin 42 | VDD — Positive supply voltage |
| Pin 43 | NC — Not connected (per datasheet) |
| Pin 44 | NC — Not connected (per datasheet) |
Typische Anwendungen
PIC16LC65B-04I/PT ist geeignet für 6 Anwendungs: Industrial Control Panels, Appliance Controllers, Sensor Interface Front-Ends, Low-Cost Data Acquisition, Consumer Electronics Hubs, Educational and Hobbyist Development.
Industrial Control Panels
The PIC16LC65B-04I/PT is well matched to industrial control panels because its 33 digital I/O pins drive relays, opto-isolated inputs, keypads, and 7-segment displays without external I/O expanders. The industrial -40C to +85C operating range handles factory-floor temperature swings, while the 3.0-5.5 V supply tolerates 24 V->5 V post-regulation rails. Its deterministic 1-cycle RISC execution keeps scan-loop latency predictable for PLC-style ladder replacement.
Empfohlen
Appliance Controllers
In washing machines, dishwashers, and microwave ovens, the PIC16LC65B-04I/PT coordinates keypad scanning, display multiplexing, sensor sampling (temperature, water level, door switch), and motor/valve actuation. Its 7 KB OTP program memory fits full state-machine firmware for mid-complexity appliances, and the OTP cost advantage supports sub-$5 BOM targets. The 4 MHz clock is sufficient for typical 10 ms control loops.
Empfohlen
Sensor Interface Front-Ends
The PIC16LC65B-04I/PT reads multiple low-speed analog sensors through its analog comparator and external ADC, and outputs the processed data over USART to a host controller. With 33 I/O and a 192-byte RAM, it can serve as a polled sensor hub for HVAC duct sensors, environmental monitors, or simple energy-meter sub-systems. The PIC16 mid-range instruction set is compact enough that the entire sensor stack fits in 7 KB.
Empfohlen
Low-Cost Data Acquisition
For 8-bit data-acquisition front-ends, the PIC16LC65B-04I/PT digitizes sensor signals and streams them via USART to a host PC or embedded gateway. The 33 I/O pins accept multiple discrete inputs simultaneously, while the deterministic instruction timing simplifies sample-rate budgeting. The industrial temperature grade supports deployment in unattended outdoor enclosures for telemetry pilots.
Empfohlen
Consumer Electronics Hubs
The PIC16LC65B-04I/PT serves as the user-interface controller in mid-range consumer products - toys, fitness equipment, audio mixers - where it scans buttons, drives LED or LCD displays, and bridges to a main processor via USART. The OTP cost advantage suits consumer BOMs, and the 33 I/O accommodate matrix keypads and indicator arrays. Industrial temperature headroom simplifies global regulatory compliance.
Empfohlen
Educational and Hobbyist Development
The PIC16LC65B-04I/PT is a classic teaching platform for embedded systems courses, exposing students to the PIC16 mid-range RISC ISA, OTP programming flow, and TQFP hand-soldering practice. Its rich peripheral set (timers, USART, CCP, comparator) supports lab exercises on interrupts, PWM, and serial communication without overwhelming beginners. The MPLAB X IDE and XC8 compiler toolchain are free for educational use.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für PIC16LC65B-04I/PT – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | PIC16LC65BT-04I/PT | PIC16LC65A-04I/PQ | PIC16LC65A-04I/P | PIC16LC65B-04/PT | PIC16F884-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin TQFP (PT), 10x10 mm | 44-pin TQFP (PT) - same | 44-pin MQFP (PQ) - same pinout | 40-pin PDIP (P) - different body | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same |
| Program Memory | 7 KB (4K x 14) OTP | 7 KB OTP | 7 KB OTP | 7 KB OTP | 7 KB OTP | 7 KB Flash |
| RAM | 192 bytes | 192 bytes | 192 bytes | 192 bytes | 192 bytes | 256 bytes |
| I/O Pins | 33 | 33 | 33 | 33 | 33 | 36 |
| Max Clock Speed | 4 MHz ("04" grade) | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 20 MHz |
| Supply Voltage | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 2.0 V to 5.5 V |
| Operating Temperature | -40 C to +85 C (industrial) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | 0 C to +70 C (commercial) | -40 C to +85 C |
| Memory Type | OTP (one-time programmable) | OTP | OTP | OTP | OTP | Flash (field re-programmable) |
Wichtigste Unterscheidungsmerkmale
- Industrial-grade OTP MCU with rich 33 I/O peripheral set (vs. PIC16LC63A-04I/SS)
- Lower per-unit cost versus flash-based PIC16F cousins (vs. PIC16F884-I/PT)
- Wider supply range down to 3.0 V vs older 5 V-only PIC16C6x (vs. PIC16C65B-04I/PT)
Designhinweise
Estimated: at VDD = 5.0 V and 4 MHz active clock, the PIC16LC65B-04I/PT typical supply current is roughly 2-5 mA (datasheet DC characteristic chart; consult DS30230D for exact figures). Place a 100 nF decoupling capacitor within 5 mm of the VDD pins (31 and 42) and a bulk 10 uF tantalum or ceramic capacitor near the package. Industrial designs should also include a power-on reset circuit or rely on the internal POR, with proper MCLR pull-up (10 kohm to VDD) to avoid spurious resets during brown-out.
For the 44-pin TQFP (PT) body (0.8 mm pitch, 10x10 mm), route all signal traces on inner layers and flood the top/bottom copper under the package as a thermal and ground plane. Place the decoupling capacitors on the same side as the MCU with the ground pad tied directly to the ground plane via multiple vias. The OSC1/OSC2 traces should be kept short and surrounded by ground pour; for crystal operation, the load capacitors (typically 15-33 pF) must be placed as close as possible to the oscillator pins.
Three common pitfalls: (1) confusing the "04" speed grade with the "10" or "20" grade - the LC65B-04I/PT only supports 4 MHz, so firmware timing loops must respect this. (2) Mistaking LC for EPROM-windowed - the LC is OTP only, so production firmware must be fully validated before programming. (3) Forgetting that the 44-TQFP shares its pinout with the 44-MQFP (PQ) and 40-PDIP (P) variants, but only at the electrical-pin level - mechanical footprints differ, so a layout designed for TQFP will not solder to a PDIP board.
Estimated: the 44-TQFP (PT) thermal resistance theta_JA is approximately 50-60 C/W on a standard JEDEC 4-layer test board (consult the package thermal characteristics for exact values). For industrial-grade parts running at ambient +85 C, the maximum junction temperature of +150 C leaves only 65 C of margin, which is comfortable at low duty cycles but can be exceeded if the MCU drives high-current loads directly through PORTB/C/D pins. For high-I/O designs, buffer the outputs with external drivers (ULN2003, 74HC595).
Compliance-Informationen
Lead-free finish per Microchip product family documentation. RoHS/REACH/halogen-free status not explicitly stated in the verified distributor excerpts; check the Microchip product page or the material declaration sheet for the lot-specific declaration. AEC-Q100 not applicable - this is a general-purpose industrial MCU.