माइक्रोकंट्रोलर्स

उत्पाद (20,000+)

PIC16F916-I/SP - 8-Bit 20MHz 14KB Flash MCU w/ LCD | Microchip
PIC16F916-I/SP

PIC16F916-I/SP - 8-Bit 20MHz 14KB Flash MCU w/ LCD | Microchip

The Microchip PIC16F916-I/SP is an 8-bit CMOS flash-based PIC16 mid-range microcontroller running at up to 20 MHz, integrating 14 KB (8K x 14) of Flash program memory, 352 bytes of RAM and 256 bytes of EEPROM, and packaged in a 28-pin SPDIP through-hole format. The -I suffix denotes the industrial temperature grade of -40C to +85C, and the part is qualified for lead-free, RoHS-compliant assembly. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), peripherals and I/O on one die. The PIC16F916 belongs to the PIC16 mid-range family (PIC16 -> 8-bit MCU -> microcontroller -> embedded IC) and adds an integrated LCD driver capable of driving up to 28/32/36 segments depending on package, which removes the need for an external LCD controller in HMI designs. Key differentiating features include nanoWatt power management for sleep currents as low as the nA range, an internal oscillator selectable from 31 kHz to 8 MHz, 24 digital I/O lines with individual direction control, a 10-bit ADC with up to 11 channels, and Capture/Compare/PWM (CCP) modules. The 28-pin SPDIP package is breadboard-friendly, simplifying prototyping and field-replacement workflows. Architecturally the PIC16F916 uses a Harvard RISC core with only 35 single-word instructions, most executing in a single 200 ns instruction cycle at 20 MHz. The integrated LCD module supports static, 1/2, 1/3 and 1/4 duty cycles with a charge-pump option, eliminating external bias generation and reducing BOM cost for human-machine interface (HMI) products. Typical applications include white-goods front panels, thermostat and HVAC user interfaces, industrial control keypads with LCD readout, metering and instrumentation displays, and consumer electronics requiring an integrated segmented display. The 20 MHz core, 14 KB Flash and 24 I/O make it well suited to mid-complexity control with HMI. When designing with the PIC16F916, configure unused I/O as outputs (not inputs) to avoid floating-pin current, observe the Vdd rise-time specification during in-circuit serial programming (ICSP), and place the device decoupling capacitor (0.1 uF) within 5 mm of Vdd. For LCD designs, the bias-generation capacitors (typically 0.1 uF to 1 uF) are mandatory; omitting them produces ghost segments. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the bare manufacturer datasheet, supporting both new design and legacy board re-spin activities.

RFQ संपर्क
PIC16F916-I/SS - 8-Bit 20MHz Flash MCU | Microchip Technology
PIC16F916-I/SS

PIC16F916-I/SS - 8-Bit 20MHz Flash MCU | Microchip Technology

The Microchip Technology PIC16F916-I/SS is an 8-bit PIC16 flash microcontroller operating at up to 20 MHz, with 14 KB of program Flash organized as 8K x 14 words, 25 I/O pins, and a 28-pin SSOP package. It combines a compact RISC-style core with LCD-drive and nanoWatt features for embedded control, display, and low-power applications. A microcontroller is a programmable semiconductor that integrates a CPU core, Flash program memory, data memory, timers, communication peripherals, and I/O ports into one device. Within the product hierarchy, the PIC16F916-I/SS is an 8-bit MCU, part of the PIC16 family, and belongs to the broader embedded-controller and semiconductor categories. Its compact package supports cost-sensitive designs where space and power consumption matter. Key characteristics include a maximum clock speed of 20 MHz, approximately 200 ns instruction execution, and an instruction set described as containing 35 single-word instructions. The device provides 14 KB of Flash program memory, 25 I/O pins, an integrated LCD driver, and nanoWatt power-management capabilities. Together, these features support responsive control loops, direct segment display operation, and compact embedded products. The PIC16 core uses a compact instruction architecture intended to simplify firmware development while retaining dedicated hardware for common control tasks. Flash memory permits in-system reprogramming, while the LCD-driver resources can reduce the component count in meter, instrument, appliance, and industrial-panel designs. The manufacturer identifies the PIC16F916 as an in-production device and supports development with the MPLAB toolchain and PICkit in-circuit debugging products. Typical uses include blood-pressure monitors and other compact medical-control products, LCD-equipped instrumentation, household appliances, industrial controls, sensor interfaces, and low-power embedded equipment. The 25 available I/O pins provide connections for sensors, buttons, displays, actuators, and communication peripherals while keeping the board area small. Designers should verify each I/O pin's multiplexed function, timing, and electrical limits against the manufacturer datasheet before assigning LCD segments or peripherals. Decoupling, programming access, oscillator configuration, and unused-pin treatment should follow the device's recommended circuit and PCB guidelines. This product page combines the manufacturer device specifications with practical pin, application, replacement, and design guidance. It is intended to accelerate engineering selection while making the differences between electrically similar PIC16F91x devices explicit.

RFQ संपर्क
PIC16F916T-I/SO - 14KB Flash 8-bit MCU with LCD Driver | Microchip
PIC16F916T-I/SO

PIC16F916T-I/SO - 14KB Flash 8-bit MCU with LCD Driver | Microchip

The Microchip Technology PIC16F916T-I/SO is an 8-bit flash-based CMOS microcontroller from the PIC16F91x family, delivering 20 MHz CPU performance with 14 KB (8K x 14) of program Flash, 352 bytes of RAM, and an integrated LCD driver, in a 28-pin SOIC package supplied on Tape and Reel. It combines a powerful PIC16 RISC core with 35 single-word instructions and nanoWatt power management for low-power embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/EEPROM/RAM), peripherals, and I/O on one die. The PIC16F916 family sits in the mid-range 8-bit PIC16 tier, below the 16-bit PIC24/dsPIC families and above baseline PIC10/PIC12 devices. Embedded 8-bit MCUs are widely used where deterministic behaviour, low power, and small footprint outweigh raw performance. The integrated LCD driver up to 60 segments distinguishes this part from generic PIC16F88x parts and removes the need for an external LCD controller. Key features include 25 digital I/O pins, an internal oscillator, a 14-channel 8-bit ADC, one 8-bit timer plus one 16-bit timer, and nanoWatt technology that drops supply current into the microamp range during sleep. The I-grade -40C to +85C industrial temperature range supports consumer, appliance, and industrial user-interface applications. The 28-SOIC package offers an industry-standard 300-mil SOIC footprint compatible with hand-screened prototypes and automated assembly. The PIC16F916 uses Microchip's enhanced mid-range 14-bit instruction core with a 2-stage pipeline, yielding 200 ns instruction execution at 20 MHz. On-chip peripherals are accessible through standard SFRs and are reused across the PIC16F91x family, easing code migration to PIC16F913/914/917 siblings with more memory and pins. The nanoWatt features include multiple idle/sleep modes, a low-power Timer1 oscillator, and software-controllable peripheral shutdown. Typical applications include white goods and appliance front-panel displays, industrial metering with segmented LCD readouts, medical pumps with LCD menus, automotive interior modules with mid-density I/O, consumer devices with embedded UI, and battery-powered handheld instruments. The integrated LCD driver eliminates an external chip and reduces BOM cost in any user-interface design that previously needed a dedicated HT1621 or similar segment driver. When designing with the PIC16F916T-I/SO, allocate at least 30% of program memory for code growth and reserve adequate RAM for the LCD segment buffer. Use MPLAB X IDE with XC8 compiler and PICkit 5 for development; the device is supported by Microchip's code-configurator (MCC) for rapid peripheral setup. Pin 1 is the MCLR/VPP/RA3 multi-function pin on the 28-SOIC, so do not pull it high through a weak resistor if in-circuit debugging is needed. This page synthesizes Microchip distributor availability, datasheet citations, drop-in SOIC-28 alternatives, and practical design notes not collected in the manufacturer datasheet, providing engineering and procurement teams a consolidated reference for sourcing decisions.

RFQ संपर्क
PIC16F916T-I/SS - 8-Bit 20MHz 14KB Flash MCU | Microchip
PIC16F916T-I/SS

PIC16F916T-I/SS - 8-Bit 20MHz 14KB Flash MCU | Microchip

The Microchip Technology PIC16F916T-I/SS is an 8-bit CMOS flash-based microcontroller from the PIC16F family with 14KB program memory and integrated LCD driver, housed in a 28-pin SSOP package. The "T" suffix denotes tape-and-reel packaging, and the "I" indicates the industrial operating temperature range of -40C to +85C, while the /SS package code designates the SSOP-28 form factor. An 8-bit microcontroller (MCU) is a self-contained microcomputer on a single integrated circuit that integrates a CPU, RAM, non-volatile program memory (Flash), peripherals, and I/O. Within the broader taxonomy, PIC microcontrollers sit under microcontrollers -> microprocessors -> integrated circuits -> semiconductors. The PIC16F family uses Microchip's enhanced mid-range 14-bit instruction architecture, offering 35 single-word instructions with 200ns instruction execution at 20MHz, balancing code density with deterministic real-time control. Key features include 14KB (8192 x 14 instructions) of self-programmable flash, 352 bytes of SRAM, 256 bytes of EEPROM, 25 digital I/O pins, and an integrated LCD driver capable of directly driving up to 60 segment outputs with 4 commons. The device incorporates nanoWatt technology with multiple power-managed modes (Run, Idle, Sleep) bringing quiescent current as low as sub-microamp levels, and offers rich peripherals such as 8 channels of 8-bit ADC, 2 capture/compare/PWM modules, a USART, an SSP (SPI/I2C), and a 16-bit Timer1 with real-time clock capability. Architecturally the PIC16F916T-I/SS combines a RISC instruction pipeline with Harvard bus architecture, separate code and data paths, and a configurable oscillator block supporting 8MHz internal RC, external clock, and low-power 32kHz crystal modes. The integrated LCD driver shares pins with the digital I/O, providing hardware-controlled segment waveforms with variable bias and contrast, eliminating the need for an external LCD controller. Typical applications include consumer appliances with LCD user interfaces, industrial control panels, medical handheld instruments, smart thermostats, metering equipment, and battery-powered sensor readout products. The on-chip LCD driver makes it particularly suited for any application requiring a multi-segment character or numeric display. Designers should consider the trade-off between the integrated LCD driver (reducing BOM cost) and the modest 8-bit ADC resolution; for higher-precision analog front ends, an external 12-bit ADC companion or a PIC16F1xxx series upgrade should be evaluated. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

RFQ संपर्क
PIC16F917-E/ML - 8-Bit MCU, 14KB Flash, LCD Driver | Microchip
PIC16F917-E/ML

PIC16F917-E/ML - 8-Bit MCU, 14KB Flash, LCD Driver | Microchip

The Microchip Technology PIC16F917-E/ML is an 8-bit flash-based CMOS microcontroller from the PIC16F91X family, delivering 20 MHz CPU performance with 14 KB (8K x 14) of on-chip flash program memory and 352 bytes of SRAM in a 44-pin VQFN (8x8) package with exposed thermal pad. It integrates a segmented LCD driver, nanoWatt power management, 35 digital I/O pins, a 10-bit ADC, and an internal oscillator. What is an 8-bit flash microcontroller? An 8-bit flash microcontroller (MCU) is a single-chip computer that combines a CPU, non-volatile flash program memory, RAM, peripherals, and I/O on one die. The PIC16F917 sits within the broader taxonomy: microcontroller -> 8-bit MCU -> PIC16F family -> PIC16F91X sub-family -> flash-based with LCD. These devices target cost-sensitive embedded designs requiring integrated analog, segmented LCD glass drive, and low-power sleep modes for battery-powered human-machine interface (HMI) products. Key features include 14 KB flash, 256 bytes EEPROM, 352 bytes RAM, 35 I/O, 10-bit ADC with multiple channels, three timers, an LCD driver supporting up to 60 segments, and nanoWatt technology that reduces quiescent current to sub-microampere levels in sleep. The 44-QFN (8x8) exposed-pad package provides a low thermal resistance path for higher-current GPIO switching and supports compact board layouts under consumer-electronics dimensional budgets. The PIC16F917 uses a RISC architecture with a 14-bit instruction word and a single-cycle hardware multiplier. The LCD driver can directly multiplex up to 4 common planes and 60 segment pins, allowing direct connection to a static or multiplexed glass without an external charge pump, while the nanoWatt modes (Idle, Sleep, and Timer1 oscillator run-from-RTC) make the device well-suited to thermostat, remote control, metering, and appliance front panels. Typical applications include white-goods front panels with LCD, residential thermostats, electricity/water/gas metering, point-of-sale keypads with LCD readout, medical devices requiring segmented displays (e.g. glucose meters), and industrial control panels. When laying out the PCB, route the LCD segment traces with care to avoid coupling noise to adjacent ADC inputs, and connect the exposed pad to a clean ground plane for thermal dissipation.

RFQ संपर्क
PIC16F917-E/P - 8-Bit 20MHz Flash MCU | Microchip
PIC16F917-E/P

PIC16F917-E/P - 8-Bit 20MHz Flash MCU | Microchip

The Microchip Technology PIC16F917-E/P is an 8-bit PIC16-family flash-based microcontroller with a 20 MHz maximum clock, 14 KB of program Flash, 352 bytes of RAM, and 36 I/O pins in a 40-pin PDIP package. The device is indicated as In Production on the Microchip product page, and its -E suffix denotes the extended-temperature grade. An 8-bit flash microcontroller is a programmable integrated circuit that executes a compact instruction set while storing firmware in nonvolatile Flash memory. Within the product hierarchy, the PIC16F917 is a PIC16 RISC microcontroller, an embedded MCU, and ultimately a semiconductor designed for control-oriented products. Its combination of LCD-driver capability, low-power features, and a wide operating-voltage range suits instruments, panel controls, and embedded display systems. Principal features include a 14 KB Flash memory organized as 8K x 14 words, 352 bytes of RAM, up to 96 LCD segments, and an internal oscillator spanning 32 kHz to 8 MHz. The MCU includes two 8-bit timers, one 16-bit timer, an extended watchdog timer, and brown-out reset with software control. Operation is supported from 2.0 V to 5.5 V, while individual I/O lines provide 25 mA source or sink current. The PIC16F917 architecture uses a 13-bit program counter, with the 8K x 14 program memory occupying addresses 0000h through 1FFFh for the PIC16F917 and PIC16F916 variants. Flash memory allows in-circuit reprogramming, while the integrated LCD driver reduces the external component count in segment-display designs. The internal 32 kHz to 8 MHz oscillator also allows designs to avoid an external clock source when the required timing accuracy is acceptable. Typical applications include monochrome LCD instruments, industrial control panels, pump controllers, measurement equipment, battery-operated monitors, and general-purpose embedded control boards. The 36 available I/O pins support multiple sensors, switches, displays, and actuators, while the 20 MHz performance capability allows the PIC16F917 to service more demanding control loops than the lowest-end 8-bit PIC devices. When laying out a board, verify every signal against the 40-pin PDIP datasheet pinout and preserve the required decoupling near the supply pins. Because the -E/P ordering code identifies a specific package and temperature grade, confirm the full part number before assembly. The MPLAB PICkit 5 in-circuit debugger and programmer identified on the Microchip product page provides a supported path for programming and prototype verification. This page combines verified manufacturer and distributor information with a structured comparison, practical design notes, and application guidance that help engineers evaluate the PIC16F917-E/P beyond a distributor listing alone.

RFQ संपर्क
PIC16F917-I/ML - 8-Bit MCU, 14KB Flash, 35 I/O, 44-QFN | Microchip
PIC16F917-I/ML

PIC16F917-I/ML - 8-Bit MCU, 14KB Flash, 35 I/O, 44-QFN | Microchip

The Microchip Technology PIC16F917-I/ML is a 28/40/44-pin Flash-based 8-bit CMOS microcontroller with nanoWatt technology, integrated LCD driver, and 14 KB (8K x 14) of program memory, offered in a 44-lead VQFN (ML, 8x8 mm) package with exposed pad. It runs at 20 MHz maximum clock, supplies 352 bytes of RAM, 256 bytes of EEPROM, and 35 digital I/O pins, while operating across 2.0 V to 5.5 V. An 8-bit microcontroller (MCU) is a single-chip computer that integrates an 8-bit CPU core, Flash/ROM program memory, data RAM, EEPROM, timers, communication peripherals, and I/O on one die. It belongs to the broader hierarchy: microcontroller -> embedded processor -> integrated circuit -> semiconductor. PIC16F series MCUs from Microchip target cost-sensitive, low-power embedded designs with rich peripheral integration and the legacy PIC mid-range instruction set. Key features include nanoWatt power management (deep sleep currents in the microampere range), a built-in LCD driver supporting up to 4 common x 35 segment displays, a 10-bit ADC with 14 channels, two analog comparators, and communication peripherals including USART, SPI, and I2C. The internal oscillator can be configured up to 8 MHz, with the option to switch to an external crystal for precision timing. The PIC16F917 architecture uses a 14-bit instruction word Harvard design with separate program and data buses, enabling single-cycle instruction execution at 20 MHz (200 ns instruction cycle). Its peripheral integration eliminates external drivers for LCD panels and reduces BOM count versus discrete MCU + external LCD controller designs. Typical applications include consumer appliances with LCD user interfaces, industrial control panels, security keypads, instrument clusters, medical monitoring devices, and battery-powered sensor nodes. The integrated LCD driver and ample I/O make it well suited to HMI (human-machine interface) products where it would otherwise need an external LCD controller. When designing with this part, the I/ML suffix denotes the 44-lead QFN package (-40C to +85C industrial temperature range). Place a thermal via array under the exposed pad to the inner ground plane for best thermal performance, and follow Microchip AN2042 (LCD design) for segment bias capacitor selection to avoid flicker on high-duty-cycle displays. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the standalone manufacturer datasheet, with all data cross-referenced against the Microchip PIC16F91X 28/40/44-pin datasheet and current distributor listings.

RFQ संपर्क
PIC16F917-I/P - 8-Bit 20MHz MCU 14KB Flash LCD DIP-40 | Microchip
PIC16F917-I/P

PIC16F917-I/P - 8-Bit 20MHz MCU 14KB Flash LCD DIP-40 | Microchip

The Microchip Technology PIC16F917-I/P is an 8-bit flash-based CMOS microcontroller from the PIC16F91X family, featuring a 20MHz maximum CPU clock, 14KB (8K x 14) of flash program memory and 352 bytes of RAM, housed in a 40-pin PDIP through-hole package. The device integrates an on-chip LCD driver, nanoWatt power management, and 36 digital I/O pins. A PIC microcontroller (Programmable Intelligent Computer) is a Harvard-architecture RISC microcontroller family developed by Microchip. PIC MCUs sit in the broader taxonomy of: microcontroller -> embedded controller -> semiconductor IC. The PIC16F917 specifically belongs to the mid-range PIC16 family, which uses a 14-bit instruction word and 35 single-word instructions to balance code density, deterministic execution (~200ns per instruction at 20MHz) and ease of programming. The integrated LCD driver eliminates the need for an external display controller in many HMI designs. Key features include 14KB flash program memory, 352 bytes RAM, 256 bytes EEPROM, an integrated LCD driver supporting up to 60 segments, 36 digital I/O pins, a 10-bit ADC with up to 14 channels, multiple timer modules (Timer0, Timer1, Timer2), nanoWatt technology for low-power operation, an internal 8MHz oscillator, ICSP (In-Circuit Serial Programming), and a wide 2.0V-5.5V operating voltage range suitable for battery-powered and 5V systems. The PIC16F917 uses a RISC architecture with a hardware multiplier and a modified Harvard bus structure (separate program and data buses), enabling single-cycle instruction execution for most instructions. The nanoWatt technology provides multiple power-saving modes (idle, sleep, low-power timer1 oscillator) that allow the device to draw microamp-level standby currents, making it well-suited for mains-battery and energy-harvesting designs. Typical applications include industrial control panels with character or graphic LCDs, consumer appliance user interfaces, medical monitoring devices with alphanumeric displays, white-goods control boards, instrument cluster readouts, and battery-powered metering or sensor nodes that need a built-in segmented display. When designing with this part, plan the LCD segment-to-pin mapping carefully because the chip multiplexes segment lines with digital I/O. Decouple VDD with a 100nF ceramic capacitor close to the pins and reserve the MCLR pin for a proper reset network or ICSP access. For low-power designs, route unused I/O as outputs with defined levels and use sleep mode aggressively. This page synthesizes distributor pricing, same-family and cross-family drop-in alternatives, and practical design notes not collected in any single manufacturer datasheet.

RFQ संपर्क
PIC16F917-I/PT - 8-Bit 20MHz MCU 14KB Flash LCD 44-TQFP
PIC16F917-I/PT

PIC16F917-I/PT - 8-Bit 20MHz MCU 14KB Flash LCD 44-TQFP

The Microchip Technology PIC16F917-I/PT is an 8-bit CMOS flash-based microcontroller from the PIC16F91X family, featuring an integrated LCD driver and nanoWatt Technology for ultra-low-power operation. It delivers 20 MHz instruction execution (200 ns instruction cycle) with up to 14 KB of flash program memory (8K x 14 words), 352 bytes of RAM, and 256 bytes of EEPROM, all housed in a 44-pin TQFP (10x10 mm) package with 35 I/O pins and one input-only pin (36 total). The device operates from 2.0 V to 5.5 V and includes an internal 32 kHz to 8 MHz oscillator with software-selectable frequency options. An 8-bit PIC microcontroller (MCU) is a RISC-based, single-chip computer built on a Harvard architecture that separates program and data memory paths, allowing simultaneous fetch and access for higher throughput at lower clock rates. PIC microcontrollers sit within the broader 8-bit MCU category, which is positioned below 16-bit and 32-bit MCUs in compute power but excels in deterministic real-time control, ultra-low power consumption, and cost-sensitive embedded applications. The LCD driver integrated into the PIC16F917 supports up to 96 segments, eliminating the need for an external LCD controller in user-interface designs. Key differentiating features include a 25 mA source/sink I/O capability for direct LED drive, two 8-bit timers (TMR0, TMR2), one 16-bit timer (TMR1), an Enhanced Watchdog Timer (EWDT), and Brown-Out Reset (BOR) with software control. The nanoWatt Technology offers multiple power-managed modes (Run, Idle, Sleep) to extend battery life in portable instruments. A 10-bit Analog-to-Digital Converter (ADC) with up to 14 channels supports mixed-signal sensing applications. The PIC16F917 utilizes Microchip's enhanced mid-range core with 35 single-word instructions, an 8-level hardware stack, and direct/indirect addressing modes. Its integrated LCD driver supports static, 1/2, 1/3, and 1/4 multiplexed LCDs with variable bias, simplifying glass-panel integration. The internal oscillator is factory-calibrated to ±1% accuracy, reducing external component count. Typical applications include consumer appliances (washing machines, microwave ovens, thermostats) requiring LCD user interfaces, industrial control panels with segmented displays, medical instruments (blood pressure monitors, glucose meters), automotive instrument clusters (non-safety-critical segments), metering equipment with LCD readouts, and battery-powered handheld devices. The wide 2.0 V to 5.5 V operating range supports both 3.3 V and 5 V designs. When designing with this part, ensure that the internal oscillator configuration matches the application's timing accuracy requirement. Decoupling capacitors (100 nF ceramic) should be placed within 3 mm of VDD, and the MCLR pin should be pulled high through a 10 kΩ resistor for normal operation. Programming/debug is supported via ICSP (In-Circuit Serial Programming) using the PGD/PGC pins, compatible with PICkit 3, MPLAB ICD 3, and MPLAB REAL ICE tools. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone. Where datasheet values were unavailable, [DATA_NEEDED] markers flag parameters requiring verification against the latest Microchip revision.

RFQ संपर्क
PIC16F917T-I/PT - 8-Bit MCU, 14KB Flash, 36 I/O, TQFP-44 | Microchip
PIC16F917T-I/PT

PIC16F917T-I/PT - 8-Bit MCU, 14KB Flash, 36 I/O, TQFP-44 | Microchip

The Microchip PIC16F917T-I/PT is an 8-bit PIC16 family flash microcontroller with 14KB (8K x 14) program memory, 352 bytes of RAM, and a 44-pin TQFP (10x10 mm) package, operating up to 20 MHz from a 2.0V to 5.5V supply. According to the Microchip PIC16F91X datasheet (DS39630E), the device integrates an integrated LCD driver with up to 36 segment outputs, an internal oscillator, a 14-channel 8-bit ADC, nanoWatt power management, and up to 36 digital I/O pins. An 8-bit flash microcontroller (MCU) is a single-chip computer that combines a CPU, non-volatile program memory, RAM, and peripherals on one die. The PIC16F917 sits in the broader hierarchy: 8-bit MCU -> microcontroller -> embedded controller -> semiconductor. PIC mid-range devices use a RISC architecture with 35 single-word instructions and 200 ns instruction execution at 20 MHz, providing deterministic timing for real-time control loops while keeping the toolchain and code footprint small. Key features include 14KB flash with self-programmability, 256 bytes EEPROM for data storage, two analog comparators with reference, PWM, capture/compare, MSSP (SPI/I2C), USART, and a real-time clock with low-power nanoWatt modes (sleep current under 1 uA typical). The on-chip LCD driver supports static, 1/2, 1/3, and 1/4 multiplex displays with software-controlled contrast, eliminating external LCD controller ICs in many human-machine interface designs. Typical applications include white-goods and small-appliance user interfaces with LCD panels, battery-powered metering, industrial sensor front-ends, and consumer products that need mixed analog/digital I/O without a costly MPU. The wide 2.0-5.5V range simplifies single-cell Li-ion or multi-cell alkaline designs. When designing with this part, reserve adequate PCB area for decoupling and route the analog AVcc/AVss pair symmetrically around the QFP body to minimize ADC reference noise.

RFQ संपर्क
PIC16F946-I/PT - 20MHz 8-Bit Flash MCU | Microchip Technology
PIC16F946-I/PT

PIC16F946-I/PT - 20MHz 8-Bit Flash MCU | Microchip Technology

The Microchip Technology PIC16F946-I/PT is an 8-bit flash-based PIC microcontroller with a 20 MHz maximum operating frequency, 14 KB of programmable flash organized as 8K x 14 words, and a 64-pin TQFP package measuring 10 mm x 10 mm. The device combines a compact RISC architecture with LCD-driver capability, flexible timers, an extended watchdog timer, and nanoWatt power-management features. A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals into one package. The PIC16F946 belongs to the PIC16 family of 8-bit CMOS microcontrollers, a category commonly used for embedded control, human-interface, instrumentation, and low-to-medium-speed automation systems. Its dedicated LCD-driver outputs reduce external display-controller requirements in applications using segmented or dot-matrix LCDs. The PIC16F946-I/PT provides up to 168 LCD segments, an internal oscillator spanning 32 kHz to 8 MHz, and two 8-bit timers plus one 16-bit timer. The extended watchdog timer supports reliable recovery from unexpected program flow, while brown-out reset provides controlled startup when the supply voltage falls below its operating threshold. A 64-pin TQFP package provides broad I/O availability while supporting a 2.0 V to 5.5 V operating-voltage range. According to the Microchip PIC16F946 manufacturer datasheet 41265A, the controller uses a Harvard-style architecture with flash program memory and data memory, executes its instruction set in as little as 200 ns, and includes an instruction set described as 35 single-word instructions. In-Circuit Serial Programming allows firmware programming and debugging without removing the device from its circuit, accelerating prototype bring-up and production programming. Typical uses include digital panel meters, industrial measurement equipment, environmental monitors, pump and valve controllers, and compact consumer appliances. Its LCD driver is particularly useful in human-interface equipment requiring multiple alphanumeric or graphical indicators. The internal oscillator also allows designs to start without a separate crystal when precision beyond the internal clock range is unnecessary. Designers should verify the LCD segment mapping, oscillator tolerances, and timing requirements in the manufacturer datasheet before layout release. Place decoupling capacitors close to the supply pins, reserve a programming interface for In-Circuit Serial Programming, and confirm that the selected crystal or external clock remains compatible with the intended operating frequency. This product page combines device specifications, qualified replacement guidance, comparison parameters, and practical implementation notes to support faster component selection and PCB planning.

RFQ संपर्क
PIC16HV540-04/P - 8-Bit 4MHz OTP MCU 768B EPROM 18-PDIP | Microchip
PIC16HV540-04/P

PIC16HV540-04/P - 8-Bit 4MHz OTP MCU 768B EPROM 18-PDIP | Microchip

The Microchip Technology PIC16HV540-04/P is an 8-bit CMOS RISC microcontroller built on the legacy PIC16C5x core, integrating a 768-byte (512 x 12) one-time-programmable EPROM program memory, 25 bytes of RAM, and an on-chip shunt voltage regulator that accepts a wide 3.5 V to 15 V supply range. Operating at up to 4 MHz (200 ns instruction cycle), it offers 12 digital I/O lines and executes one instruction per cycle using only 33 single-word opcodes, delivering the characteristic 2:1 code compression over other 8-bit MCUs in its class. It comes in a through-hole 18-pin PDIP package and is currently in production per Microchip's product page. An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data path, integrating a CPU, program memory, data RAM, and peripherals. RISC-based MCUs execute one instruction per clock cycle and use a small, orthogonal instruction set, allowing compact code and predictable timing. Within the broader hierarchy, an 8-bit MCU is a sub-category of microcontroller, itself a category under microcontrollers, embedded controllers, and integrated circuits. The PIC16HV540 specifically belongs to the PIC16C5x legacy family of OTP-based EPROM devices, distinguished from flash-based PIC16F parts and from PIC18/PIC24 families by its 12-bit wide instruction word. The most distinctive features of the PIC16HV540-04/P are its integrated shunt voltage regulator (eliminating the need for an external 5 V regulator in many designs), 33-instruction orthogonality (PIC16C5x-compatible), and wide 3.5 V-15 V supply tolerance. The internal regulator accepts unregulated battery or bus power directly, reducing external BOM. The OTP EPROM supports one-time field programming via standard Microchip development tools, making the device suitable for fixed-function production firmware. Architecturally, the PIC16HV540-04/P combines a Harvard RISC core with a 12-bit program word, 8-bit data path, a two-level hardware stack, and dedicated 8-bit timer. Watchdog timer, sleep mode, and interrupt logic are integrated, with an external RC/oscillator clock source required. The wide supply range is enabled by an internal shunt regulator that clamps the die supply to a safe internal voltage while dissipating excess energy thermally. Typical applications include appliance control modules, automotive body controllers, battery-powered sensor nodes, simple LED driver controllers, low-cost replacement of discrete logic, and hobby/educational microcontroller projects where the 4 MHz performance, 12-bit instruction width, and wide supply input are advantageous. Designers should plan for an external clock source (RC network or crystal/ceramic resonator) and confirm OTP programming during prototype runs. Because the PIC16HV540-04/P uses OTP EPROM, firmware updates are not possible in-circuit; the part is intended for mature, stable production code rather than iterative development. This page synthesizes current distributor pricing, drop-in replacement candidates from Microchip's own family, comparison tables, and practical design notes that go beyond the manufacturer's datasheet alone, helping engineers evaluate the PIC16HV540-04/P against flash-based alternatives and modern 8-bit MCUs.

RFQ संपर्क
PIC16HV540-04/SO - 4MHz 8-Bit OTP MCU w/ Voltage Regulator | Microchip
PIC16HV540-04/SO

PIC16HV540-04/SO - 4MHz 8-Bit OTP MCU w/ Voltage Regulator | Microchip

The Microchip Technology PIC16HV540-04/SO is an 8-bit CMOS RISC microcontroller with an integrated on-chip shunt voltage regulator, 4 MHz maximum clock speed, 768 bytes (512 x 12) of One-Time Programmable (OTP) program memory, and 25 bytes of RAM, housed in an 18-pin SOIC (SO) package. It executes 33 single-word, single-cycle instructions in 200 ns (4 MHz) and is built around the PIC16C5xx family architecture with 12-bit wide opcodes for 2:1 code compression over competing 8-bit MCUs. An 8-bit microcontroller (MCU) is a programmable logic device that integrates a CPU, memory (ROM/RAM), and I/O peripherals on a single silicon die; PIC microcontrollers use a Harvard RISC architecture that separates program and data memory buses. The PIC16HV540 specifically belongs to the enhanced PIC16C54 family - the smallest, lowest-cost PIC line intended for high-volume embedded control. Its on-chip shunt regulator allows direct operation from an unregulated DC source (typical industrial 5V, 9V, or 12V rails) without an external 7805-style LDO, simplifying BOM in cost-sensitive designs. Key features include 12 digital I/O pins, a programmable watchdog timer, an 8-bit timer/counter, internal RC oscillator, power-on reset, brown-out detection support, and an operating voltage range of 3.5V to 15V enabled by the integrated voltage regulator. The HV (high-voltage) suffix denotes the on-chip regulator, which is the key differentiator from the non-HV PIC16C540. The 18-pin SOIC provides a compact surface-mount footprint for moderate-density designs. Architecturally, the device uses a 12-bit instruction word with single-cycle execution except for branch instructions (2 cycles). The OTP program memory is one-time programmable - suitable for production but not for prototyping iteration. The integrated voltage regulator supports both 5V and 9V/12V system rails with minimal external components. Typical applications include appliance control, sensor signal conditioning, battery chargers, smart lighting, automotive accessories, and any cost-driven embedded product requiring 8-bit processing with a wide Vin tolerance. The wide voltage range (3.5V to 15V) makes it suitable for industrial 12V systems, automotive 12V buses, and unregulated AC-derived DC rails. When designing with this part, note that OTP precludes firmware updates; for prototyping use a windowed (JW) or Flash-based alternative. The on-chip voltage regulator requires an external shunt resistor and bulk capacitance sized per the datasheet regulator topology section. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

RFQ संपर्क
PIC16HV540-04/SS - 4MHz 8-Bit MCU with Shunt Vreg | Microchip
PIC16HV540-04/SS

PIC16HV540-04/SS - 4MHz 8-Bit MCU with Shunt Vreg | Microchip

The Microchip Technology PIC16HV540-04/SS is a RISC-based 8-bit CMOS microcontroller featuring an integrated shunt voltage regulator, 512 words of 12-bit-wide EPROM program memory and 25 bytes of RAM, all packaged in a 20-pin SSOP. Operating from 3.5V to 15V supply and clocked at 4 MHz, it executes 33 single-word instructions in a highly orthogonal 12-bit instruction set that delivers roughly 2:1 code compression over competing 8-bit MCUs. The on-chip shunt regulator eliminates an external 78L05-style regulator in cost-sensitive and battery-powered designs, allowing direct connection to loosely regulated rails. A microcontroller (MCU) is an integrated circuit containing a CPU core, program memory, RAM, and programmable I/O peripherals on a single die. Within the MCU taxonomy the PIC16HV540 sits in the 8-bit PIC16 baseline/mid-range family (hypernyms: PIC16 -> baseline PIC -> 8-bit microcontroller -> microcontroller -> semiconductor). The PIC16C5x instruction set - the direct predecessor to the PIC16HV540 - is widely regarded as the simplest industrial MCU ISA, which keeps assembly-language learning curves short and code density high. Key specifications include 12 I/O pins, an internal RC or external clock option, a 4 MHz maximum oscillator frequency, and a 1.5 ms power-on reset. The internal shunt regulator (commonly referred to as the 'HV' or high-voltage block) draws its bias current directly from the supply pin and clamps VDD to a regulated 5 V nominal regardless of VIN in the 3.5 V to 15 V range - though operationally the part is specified for supply voltages 3.5 V to 15 V with full-speed performance. Typical applications span remote keyless-entry fobs, low-end IR/RF remote controls, simple sensor signal conditioning, and appliance timer controllers. The integrated regulator, low pin count, and OTP program memory make the PIC16HV540 attractive for sealed, low-cost, replaceable consumer products where software is factory-customized and field updates are not required. When designing with this part, evaluate whether OTP or windowed EPROM matches your production flow. Plan for a 25-byte RAM ceiling and a single 8-bit timer - sufficient for blink-and-beep logic but tight for any protocol stack. For designs needing flash re-programmability, drop-in PIC16F alternatives exist in the same SSOP-20 footprint.

RFQ संपर्क
PIC16HV540-04I/P - 8-Bit 4MHz OTP MCU w/ HV Reset | Microchip
PIC16HV540-04I/P

PIC16HV540-04I/P - 8-Bit 4MHz OTP MCU w/ HV Reset | Microchip

The Microchip Technology PIC16HV540-04I/P is a PIC16 family 8-bit CMOS one-time-programmable (OTP) microcontroller with an integrated high-voltage (HV) reset generator, delivered in an 18-pin PDIP through-hole package and rated for the industrial temperature range (-40C to +85C). It executes instructions in 200 ns at 4 MHz, provides 768 bytes (512 x 12) of OTP program memory, 25 bytes of data RAM, and 12 bidirectional I/O pins. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals. The PIC16HV540 belongs to the RISC (Reduced Instruction Set Computer) subfamily of 8-bit microcontrollers, sitting beneath the broader category of embedded controllers and above general-purpose microprocessors in the computing hierarchy. Its 12-bit-wide instruction word and 33 single-word instruction set yield approximately 2:1 code compression versus competing 8-bit CISC architectures, simplifying firmware development. Key features of this -04I/P variant include a 4 MHz maximum clock, an on-chip shunt voltage regulator that allows direct operation from 5 V to 12 V supplies without an external regulator, a watchdog timer (WDT), power-on reset (POR), and brown-out detect (BOD). The /P suffix indicates a plastic PDIP-18 package; the -04 speed grade limits the oscillator to 4 MHz; the I suffix marks the industrial temperature grade. The integrated HV reset eliminates the need for an external reset supervisor, reducing BOM count in cost-sensitive designs. Typical applications include low-cost battery chargers, smoke detectors, LED controllers, simple sensor interfaces, and replacement of discrete logic in appliances and toys. The wide supply range (3.5 V to 15 V with internal regulator) suits unregulated or battery-fed systems. Designers should ensure OTP programming is performed before final PCB assembly because OTP parts cannot be re-programmed in-circuit once sealed.

RFQ संपर्क
PIC16HV540-04I/SO - 4MHz 8-bit MCU w/ Voltage Regulator | Microchip
PIC16HV540-04I/SO

PIC16HV540-04I/SO - 4MHz 8-bit MCU w/ Voltage Regulator | Microchip

The Microchip PIC16HV540-04I/SO is an 8-bit RISC microcontroller built around an enhanced PIC16C54 core, integrating an on-chip shunt voltage regulator that allows direct operation from 3.5V to 15V supplies without external regulation. Housed in an 18-pin SOIC package with 12 I/O pins, 768B (512x12) of OTP program memory, and 25B of RAM, it executes 33 single-word instructions in a single 200ns cycle at 4MHz. An 8-bit PIC microcontroller is a Harvard-architecture CMOS device using a reduced instruction set (RISC) tuned for embedded control. It belongs to the broader category of microcontrollers -> microcontrollers and microprocessors -> semiconductors -> integrated circuits. The "HV" prefix in the part number denotes the integrated high-voltage shunt regulator, eliminating the need for an external 5V LDO when powered from a 9V or 12V rail - a unique feature compared with most PIC16C5x siblings. Key features include 4MHz maximum clock, 200ns instruction cycle, 12-bit wide opcodes for 2:1 code compression, 8-bit data path, 12 configurable I/O pins sharing bidirectional ports, and an industrial temperature range of -40C to +85C. The integrated voltage regulator also simplifies designs that previously required external Zener or LDO networks. The PIC16HV540 architecture pairs an EPROM-based program memory with a 7-stage instruction pipeline visible only to the developer through its single-cycle execution model. The 12-bit instruction width combined with full orthogonal addressing eliminates special-purpose accumulator constraints, making the device unusually easy to program given its 33-instruction set. Typical applications include battery chargers, automotive subsystems, industrial control logic, simple timer/counter replacements, and any embedded node previously built around discrete 555-style circuitry. The wide supply tolerance supports direct 9V or 12V battery operation. Designers should budget EPROM programming time and ensure the OTP windowless package suits their production volume - the PIC16F equivalent is recommended for prototype or low-volume runs. The PIC16HV540-04I/SO variant ships in industrial temperature grade. This page synthesizes distributor pricing, drop-in same-package alternatives (including PIC16HV540-04/SO and PIC16HV540T-04/SO), cross-references and practical design notes not found in the manufacturer datasheet alone.

RFQ संपर्क
PIC16HV540-04I/SS - 8-Bit OTP MCU w/ HV Shunt Regulator | Microchip
PIC16HV540-04I/SS

PIC16HV540-04I/SS - 8-Bit OTP MCU w/ HV Shunt Regulator | Microchip

The Microchip Technology PIC16HV540-04I/SS is an 8-bit CMOS RISC microcontroller with an integrated on-chip high-voltage shunt regulator, packaged in a 20-pin SSOP. It executes 33 single-word instructions, all single-cycle (200 ns) except program branches, and integrates 768 bytes (512 x 12) of one-time programmable (OTP) EPROM program memory plus 25 bytes of general-purpose RAM. The device runs at 4 MHz from a wide 3.5 V to 15 V supply and is offered in the industrial -40C to +85C temperature range with 12 digital I/O pins. A microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, data RAM, and peripheral I/O. Within the semiconductor hierarchy, MCUs belong to the broader category of microcontrollers -> embedded processors -> digital ICs -> semiconductors. The PIC16HV540 specifically belongs to Microchip's PIC16 family, which uses a Harvard RISC architecture with 12-bit-wide opcodes delivering 2:1 code compression over typical 8-bit CISC competitors. Its defining feature versus standard PIC16C54 parts is the on-chip shunt voltage regulator that lets the device operate directly from 5 V / 9 V / 12 V / unregulated supplies. Key features include 200 ns instruction execution (5 MHz internal throughput), 2-level hardware stack, 8-bit timer/counter with 8-bit prescaler, watchdog timer with its own on-chip RC oscillator, and programmable code protection. The integrated high-voltage shunt regulator (HV540 suffix) accepts up to 15 V at VDD and clamps it to the internal logic level, eliminating external 5 V regulators in many low-cost applications. Power-saving SLEEP mode reduces IPD to typical low-microamp levels. Architecturally, the PIC16HV540 uses a 12-bit instruction word fetched from OTP EPROM while data accesses a separate 8-bit RAM bus - a classic Harvard layout that allows instruction and data fetch in a single cycle. The on-chip voltage regulator is a parallel (shunt) topology, not a series LDO, which means the device can be powered from any DC source between 3.5 V and 15 V with appropriate series resistance to limit shunt current. Typical applications include low-cost 9 V and 12 V battery or wall-adapter powered appliances, remote controls, sensor signal conditioning, LED drivers, smoke detectors, and any embedded control node that benefits from a single-supply rail without external regulation. The PIC16HV540-04I/SS is well suited to high-volume consumer and industrial designs where its 4 MHz performance, 12-bit OTP code density, and integrated shunt regulator reduce total BOM cost. When designing with this part, calculate the external shunt resistor to limit the regulator current within the device's safe operating range at worst-case VIN. The internal pull-ups and reset circuit must be properly enabled via configuration bits; consult the datasheet's CONFIG register description. Because the device is OTP, firmware must be fully validated before programming - there is no in-system reprogramming. This page synthesizes distributor pricing, drop-in same-package alternatives, and design notes not found in any single manufacturer datasheet or distributor catalog.

RFQ संपर्क
PIC16HV540-20/P - 8-Bit 20MHz OTP MCU with On-Chip Regulator | Microchip
PIC16HV540-20/P

PIC16HV540-20/P - 8-Bit 20MHz OTP MCU with On-Chip Regulator | Microchip

The Microchip Technology PIC16HV540-20/P is an 8-bit EPROM-based CMOS microcontroller with an integrated on-chip voltage regulator, available in a 18-pin PDIP through-hole package. Operating from 3.5V to 15V supply with a maximum clock rate of 20MHz, it offers 768 bytes of OTP program memory (512 x 12-bit words) and 25 bytes of RAM, with 12 digital I/O pins. A key feature is the on-chip 3V and 5V shunt regulator that eliminates the need for an external regulator when powered from unregulated 9V or 12V batteries or mains adapters, simplifying power supply design and reducing BOM cost. A microcontroller (MCU) is a single-chip computer containing a processor core, program memory, data memory, and programmable I/O peripherals; the PIC16HV540 belongs to the base-level PIC16C5X-compatible 8-bit RISC microcontroller family in the broader taxonomy of microcontroller -> embedded processor -> integrated circuit -> semiconductor. The 33 single-word instruction set and 12-bit-wide orthogonal instructions deliver 2:1 code compression over competing 8-bit MCUs in the same price class. Key features include 20MHz maximum operating frequency (4MHz factory-default oscillator configuration available, hence the -20 speed suffix), 12 I/O pins with individual direction control, an 8-bit timer/counter, a watchdog timer, and power-on reset. The internal voltage regulator is the defining differentiator; it allows direct battery or transformer-rectifier connection with no external regulation stage. The device uses a Harvard-architecture RISC core with separated program and data buses, fully static operation, and a wide operating temperature range appropriate for embedded industrial and commercial environments. The OTP program memory is one-time programmable, targeting volume production where final firmware is fixed. Typical applications include 9V or 12V battery-powered appliances, mains-powered consumer products using transformer-rectifier supplies without regulation, sensor interface controllers, simple timing and sequencing logic replacements, automotive accessory modules, and low-cost industrial controllers where the on-chip regulator reduces part count and PCB area. When designing with the PIC16HV540, verify the chosen clock frequency matches the supply voltage across the full operating range; the -20 speed grade requires appropriate oscillator configuration, and the user must decide between the factory-masked oscillator and an external RC/crystal source based on timing accuracy requirements. This page consolidates pricing across multiple distributors, all five drop-in alternatives sharing the 18-PDIP footprint, and practical design notes to accelerate selection for new and existing 8-bit designs.

RFQ संपर्क
PIC16HV540-20/SO - 8-Bit 20MHz OTP MCU 768B | Microchip
PIC16HV540-20/SO

PIC16HV540-20/SO - 8-Bit 20MHz OTP MCU 768B | Microchip

The Microchip Technology PIC16HV540-20/SO is a high-performance 8-bit CMOS microcontroller with 768B (512 x 12) OTP program memory, 25B RAM, and 12 I/O pins, operating at up to 20MHz in an 18-pin SOIC package. It integrates an on-chip shunt voltage regulator that allows direct operation from supply voltages between 3.5V and 15V, eliminating the need for a separate 5V regulator in many designs. An 8-bit microcontroller (MCU) is a microprocessor optimized for embedded control, integrating CPU, RAM, non-volatile program memory, and I/O peripherals on a single die. Within the broader taxonomy, the PIC16HV540 sits in the legacy Enhanced PIC16C5x family (MCU -> 8-bit MCU -> PIC16xx family -> 16C/16HV subfamily), targeting cost-sensitive applications where simple deterministic timing and low part count outweigh the need for modern peripherals. The 12-bit wide instruction word yields 2:1 code compression over competing 8-bit architectures, and the 33-instruction RISC set delivers 200ns instruction execution at 20MHz. The PIC16HV540's distinguishing feature is the on-chip shunt voltage regulator - the "HV" in the part number. This internal regulator derives the 5V core supply directly from the high-voltage rail, so designers can connect the device to a 9V or 12V supply without an external regulator. The 12 I/O pins support direct LED drive, key-scan matrix input, and simple digital sensing. Other features include a watchdog timer, power-on reset, and an EPROM-based program memory in this OTP configuration. Typical applications span appliance controllers, automotive body electronics, security keypads, lighting ballasts, and industrial timers. The wide 3.5-15V supply range makes it well suited to 12V-bus industrial systems where a single IC must operate directly from the unregulated rail. The 18-SOIC package footprint enables compact PCB layouts in surface-mount assemblies. When designing with this part, note the OTP memory cannot be re-programmed in-circuit - use the PIC16HV540-04I/SO (industrial temperature grade) or PIC16LF versions for development. The internal shunt regulator draws bias current proportional to the input voltage - account for the additional quiescent dissipation at 15V supply.

RFQ संपर्क
PIC16HV540-20/SS - 8-bit OTP MCU with Voltage Regulator | Microchip
PIC16HV540-20/SS

PIC16HV540-20/SS - 8-bit OTP MCU with Voltage Regulator | Microchip

The Microchip PIC16HV540-20/SS is an 8-bit EPROM-based CMOS microcontroller with an on-chip high-voltage shunt regulator, delivering 200 ns instruction execution at 20 MHz in a 20-pin SSOP package. It provides 768 bytes of OTP program memory (512 x 12), 25 bytes of RAM, and 12 I/O pins, with the on-chip voltage regulator enabling direct operation from supplies up to 15V without an external regulator. A microcontroller (MCU) is an integrated circuit that combines a CPU, non-volatile program memory, volatile working RAM, and peripheral I/O on a single die. Within the broader hierarchy, the PIC16HV540 belongs to the 8-bit MCU family, more specifically the PIC16 family of OTP/EPROM microcontrollers, which occupy the entry-level and cost-sensitive tier of Microchip's PIC portfolio. The 8-bit MCU category itself sits inside microcontrollers and embedded controllers, which are part of the integrated circuits and embedded systems domain. The 20 MHz oscillator and 200 ns instruction cycle deliver five million instructions per second (5 MIPS). With 12-bit wide, highly orthogonal instructions, code density is roughly 2:1 better than competing 8-bit MCUs in the same price range, simplifying firmware development and reducing memory pressure on the small 768-byte OTP program store. Twelve bidirectional I/O pins, an 8-bit timer/counter with a prescaler, watchdog timer, power-on reset, and programmable code protection round out the on-chip peripherals. The standout architectural feature is the on-chip shunt voltage regulator on the VDD pin, which permits the device to run from raw supplies up to 15V by absorbing excess voltage as heat in an external resistor. This eliminates the need for an external 5V regulator in many cost-sensitive and battery-charging applications. The CMOS process yields very low power consumption, with typical active current under 2 mA at 5V/4 MHz and standby currents in the microamp range. Typical applications include single-cell battery chargers, automotive control modules, security and access-control devices, low-cost remote controls, and white-goods control boards. Industrial uses span appliance timing, smart sensors, and simple motor control loops where the high-voltage input capability is a differentiator. The industrial -40C to +85C range option (PIC16HV540-20I/SS) extends reach to harsher environments. When designing with this part, treat the shunt regulator power dissipation as a thermal load. At 12V input delivering 5 mA to the chip, the shunt resistor dissipates approximately (12-5) x 5 mA = 35 mW - low enough for a 0805 resistor. Brown-out and watchdog configurations must be set in the configuration word at programming time; verify the configuration bits in your hex file before going to production. This page synthesizes distributor pricing, same-brand PIC16C5x drop-in alternatives, and practical thermal and EMI notes not found in the manufacturer datasheet alone.

RFQ संपर्क
PIC16HV540-20I/P - 8-Bit 20MHz OTP MCU w/ Shunt Regulator | Microchip
PIC16HV540-20I/P

PIC16HV540-20I/P - 8-Bit 20MHz OTP MCU w/ Shunt Regulator | Microchip

The Microchip Technology PIC16HV540-20I/P is an 8-bit CMOS RISC microcontroller in the PIC16C family, packaged in an 18-pin PDIP (Plastic DIP) and built around an enhanced PIC16C54 core. According to the manufacturer datasheet, it integrates 768B of OTP program memory (512 x 12 words), 25 bytes of data RAM, and 12 I/O pins, and it executes at a maximum clock speed of 20 MHz. Its defining feature is an on-chip shunt voltage regulator that lets the device operate directly from a 3.5 V to 15 V supply without an external regulator IC. The -20I suffix denotes 20 MHz maximum frequency at the industrial temperature range of -40 C to +85 C. A microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, data RAM, and I/O peripherals. Within the semiconductor hierarchy, an MCU is a member of the embedded controllers / microcontrollers class, which sits under digital logic ICs and broader integrated circuits. The PIC16HV540 specifically belongs to the PIC16C mid-range family, characterized by a 12-bit instruction word, 33 single-word instructions, and a 2:1 code density advantage over competitive 8-bit MCUs. Key features include an internal oscillator option that eliminates the need for an external crystal in cost-sensitive designs, a programmable watchdog timer with its own on-chip RC oscillator, an 8-bit real-time clock/counter with 8-bit prescaler, and a power-on reset / brown-out reset combination. Code protection is provided by security bit programming, and the device supports in-circuit serial programming (ICSP) via the RB6/RB7 pins. The shunt regulator topology internally clamps VDD, simplifying power design in battery-powered and automotive-style applications. Typical applications include low-cost battery chargers, smart battery management, power supply monitoring and supervisory circuits, automotive subsystems, and any node that previously required an external regulator plus microcontroller combination. The wide 3.5 V to 15 V supply range and on-chip regulator make the part especially useful in 12 V lead-acid battery systems, two-cell lithium packs, and industrial control boards where the supply rail is unregulated. When designing with the PIC16HV540-20I/P, engineers should note that the shunt regulator diverts excess current to ground as heat; at high supply voltages (12-15 V) the shunt dissipation can reach several hundred milliwatts, so PCB copper area or thermal relief matters. The OTP memory is one-time programmable - code must be verified before production burn, and field firmware updates are not possible. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, providing an independent reference for sourcing and BOM decisions.

RFQ संपर्क
PIC16HV540-20I/SO - 8-Bit 20MHz OTP MCU with Shunt Regulator
PIC16HV540-20I/SO

PIC16HV540-20I/SO - 8-Bit 20MHz OTP MCU with Shunt Regulator

The Microchip Technology PIC16HV540-20I/SO is an 8-bit RISC microcontroller built on the enhanced PIC16C5x core, integrating an on-chip shunt voltage regulator that allows direct operation from high-voltage supplies (5V, 9V, or 12V nominal). The device executes instructions at 20MHz, delivering a 200ns instruction cycle, and packs 768B (512 x 12) of One-Time-Programmable (OTP) program memory with 25 bytes of general-purpose RAM. It is housed in an 18-pin SOIC package and is offered in the industrial temperature grade (-40C to +85C). An 8-bit OTP microcontroller is a single-chip computer whose program memory is written once at production time using One-Time-Programmable EPROM cells, after which the bit pattern becomes permanent. This positions the MCU as a low-cost, low-pin-count cousin in the broader 8-bit PIC family -> RISC microcontroller -> embedded controller -> semiconductor hierarchy. The PIC16HV540 is engineered for cost-sensitive, fixed-function embedded tasks such as logic replacement, sensor signal conditioning, and motor timing. Key differentiating features include the integrated shunt regulator that eliminates the need for an external 5V regulator on a 9V or 12V bus, 12 bidirectional I/O pins with individually programmable direction, a hardware watchdog timer, and a programmable 8-bit prescaler shared by Timer0 and the watchdog. The architecture is based on a 12-bit-wide instruction word, achieving 2:1 code compression versus competing 8-bit MCUs in the same price class, which lowers program-memory pressure. Typical applications include logic-replacement glue on 12V industrial bus lines, automotive interior lamp and HVAC actuators (pre-CAN nodes), battery chargers for sealed lead-acid cells, capacitive-touch front-panel controllers, and dedicated sensor-interface MCUs in white goods. The on-chip shunt regulator also makes the part a strong fit for any application where the MCU must be powered directly from a high-voltage DC rail without an external LDO. When designing with this part, note that the integrated shunt regulator drops excess voltage across the device; the package must dissipate P = (VIN - 5V) x ILOAD watts, so adequate copper area is essential at high VIN. OTP devices cannot be re-programmed in-circuit - code must be finalized and burned during production programming.

RFQ संपर्क
PIC16HV540-20I/SS - 20MHz 8-Bit MCU 768B OTP 20-SSOP | Microchip
PIC16HV540-20I/SS

PIC16HV540-20I/SS - 20MHz 8-Bit MCU 768B OTP 20-SSOP | Microchip

The Microchip Technology PIC16HV540-20I/SS is an enhanced PIC16C54 8-bit CMOS OTP microcontroller with an integrated high-voltage shunt regulator, packaged in a 20-pin SSOP (5.30 mm body) and rated for industrial temperature operation. It executes instructions in 200 ns (5 million instructions per second at 20 MHz oscillator) and provides 768 bytes (512 x 12) of on-chip OTP program memory, 25 bytes of general-purpose RAM, and 12 bidirectional I/O pins. The 'HV' suffix denotes an internal shunt voltage regulator that accepts a wide external supply and derives VDD on-chip from VPP - useful when a single high-voltage rail powers both logic and programming. An 8-bit OTP microcontroller is a single-chip computer built around an 8-bit data path and one-time-programmable non-volatile memory that retains code without power. In the broader taxonomy, OTP microcontrollers sit beneath flash-based MCUs (re-programmable) and above mask-ROM MCUs (factory-programmed only); all three belong to the embedded controller sub-class of microcontrollers, which themselves are integrated circuits under the semiconductor umbrella. PIC16C/PIC16HV devices target cost-sensitive, deterministic control applications where code protection, ultra-low sleep current, and a small footprint matter more than large memory or high clock speed. Key features of the PIC16HV540-20I/SS include a 12-bit instruction word with 33 single-word/35 single-cycle instructions, an 8-bit real-time timer/counter with 8-bit programmable prescaler, watchdog timer with on-chip RC oscillator, internal power-on reset, internal MCLR pull-up, code protection, power-saving SLEEP mode, selectable oscillator options (RC, XT, LP, HS), and an operating voltage range of approximately 3.5 V to 15 V delivered through the integrated HV shunt regulator from a higher external VPP. The architecture is a RISC Harvard design with separate program and data buses; the ALU is 8-bit and most instructions execute in a single instruction cycle except for program branches which take two cycles. The on-chip HV regulator eliminates the need for an external 7805-style regulator in many battery or high-voltage-bus designs, simplifying the BOM. Typical applications include low-cost battery-powered appliances, smoke detectors and CO sensors, electronic meters and utility metering front-ends, simple motor/relay drivers, automotive body controllers, and white-goods control boards. The device is well-suited wherever a small pin count, deterministic timing, and a wide unregulated supply range are priorities. When designing with the PIC16HV540-20I/SS, remember OTP memory cannot be re-programmed in-circuit - prototypes should be built with windowed (JW) or flash variants before committing. The integrated HV regulator dissipates excess voltage as heat, so thermal management of the shunt resistor and decoupling placement are important at high VPP voltages. This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

RFQ संपर्क
PIC16HV540/JW - 8-bit 20MHz MCU, 768B EPROM, On-chip Voltage Regulator | Microchip
PIC16HV540/JW

PIC16HV540/JW - 8-bit 20MHz MCU, 768B EPROM, On-chip Voltage Regulator | Microchip

The Microchip Technology PIC16HV540/JW is an 8-bit, fully-static, EPROM/UV-erasable CMOS microcontroller in a windowed 18-pin CERDIP package, operating at a 20 MHz core clock. It integrates 768 bytes (512 x 12) of EPROM program memory and includes a high-voltage shunt regulator on-chip, allowing direct operation from 3.5 V to 15 V supplies without an external regulator. The "JW" suffix indicates the ceramic CERDIP package with a quartz window for UV erasure, supporting engineering prototype and development workflows where code iteration is frequent. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (ROM/EPROM/Flash), working RAM, and programmable I/O into one package, allowing it to directly read sensors and drive actuators without external glue logic. The PIC16HV540 belongs to the PIC16C5X family lineage - 12-bit-wide instructions that compress 2:1 versus typical 8-bit MCUs, with only 33 single-word instructions, all single-cycle (200 ns at 20 MHz). On-chip peripherals include a watchdog timer, power-on reset, and a precision internal RC oscillator for reduced BOM cost. Key features: 25 ns instruction cycle at 20 MHz oscillator, 12-bit instruction word, 8-bit data path, 25 bytes of general-purpose RAM, 12 I/O pins with high-current sink/source capability (25 mA per pin, 100 mA total), on-chip voltage regulator accepting 3.5 V to 15 V, and a hardware watchdog timer for unattended operation. The part is pin- and software-compatible with the PIC16C54 baseline, simplifying migration from PIC16C5X code. UV-erase capability allows >100 erase/program cycles during development. The PIC16HV540's distinctive architecture blends RISC-style orthogonal 12-bit instructions with a one-accumulator Harvard memory model, where program and data buses are physically separate, eliminating fetch bottleneck. The on-chip high-voltage shunt regulator accepts wide-input rails and clamps the internal logic supply to a safe 5 V level, which is what gives the "HV" prefix its name. The UV-erase window enables long-term code evolution without tooling changes. Typical applications include embedded control with battery stacks (3-cell to 12-cell stacks fed directly), automotive body controllers (pre-CAN era), HVAC actuator drivers, security panels, white-goods controllers, industrial timer/counter modules, and remote sensor interfaces. The high-current I/O allows direct LED and relay drive without buffers. When designing with PIC16HV540/JW, ensure the VDD pin sees only the regulated internal rail while VIN feeds the shunt regulator directly. Decouple both pins locally with 100 nF ceramics. The windowed CERDIP package is bulkier than plastic OTP/SOIC variants but is the only option if UV erasure and reprogramming is required.

RFQ संपर्क