集積回路

サブカテゴリ

📁 ADC/DAC 3,100+ 製品 📁 アンプIC 1,700+ 製品 📁 オーディオコーデック 18 製品 📁 オーディオIC 2 製品 📁 クロック＆タイミング 650+ 製品 📁 Comparator ICs 1 製品 📁 DSP 1,100+ 製品 📁 データ収集IC 2 製品 📁 デジタルポテンショメータ 4 製品 📁 ディスプレイドライバ＆コントローラ 1 製品 📁 FPGA & CPLD 7,100+ 製品 📁 インターフェースIC 3,100+ 製品 📁 LEDドライバ 1 製品 📁 ロジックIC 450+ 製品 📁 メモリIC 870+ 製品 📁 マイクロコントローラ 20,000+ 製品 📁 マイクロプロセッサ 4 製品 📁 モータドライバ 1 製品 📁 その他 1 製品 📁 Sensor and Detector Interfaces 1 製品 📁 専用IC 15 製品 📁 ビデオIC 13 製品

製品 (38,000+)

PIC16C54-10E/SO - 8-bit 10MHz OTP MCU 768B | Microchip
PIC16C54-10E/SO

PIC16C54-10E/SO - 8-bit 10MHz OTP MCU 768B | Microchip

The Microchip Technology PIC16C54-10E/SO is a 10 MHz 8-bit RISC microcontroller from the PIC16C5X family, housed in a 18-pin SOIC package and built on a low-power CMOS process. It integrates 768 bytes of OTP program memory (512 x 12-bit wide instructions), 25 bytes of general-purpose RAM, and 12 programmable I/O pins, executing each instruction in a single 200 ns cycle except for program branches. Background: an 8-bit microcontroller (MCU) is a self-contained CPU, memory, and peripheral set on a single die, designed for embedded control. The PIC16C5X architecture sits in the broader hierarchy of microcontroller -> embedded controller -> semiconductor IC. RISC (Reduced Instruction Set Computer) MCUs execute most instructions in one clock cycle, giving higher throughput per MHz than CISC designs. OTP (One-Time Programmable) memory uses EPROM cells that can be written once during production and retain the program permanently - ideal for low-cost high-volume products where firmware does not require field updates. Key features of the PIC16C54-10E/SO include 33 single-word instructions, 8-bit wide data path, 12-bit instruction word, two 8-bit I/O ports (Port A and Port B), a 4 MHz internal oscillator option, and an industrial-grade operating temperature range. Its RISC core, watch-dog timer, and reset logic make it a robust building block for simple embedded designs. Technically, the PIC16C54 uses a Harvard architecture with separate program and data buses, allowing instruction fetch and operand read to overlap. The 10 MHz oscillator (suffix "-10") yields a 100 ns internal clock and a 200 ns instruction cycle. The "E" suffix denotes the Extended (-40C to +125C) operating range, and "/SO" identifies the SOIC-18 wide-body package. This combination delivers predictable real-time performance for legacy designs. Typical applications include automotive body controllers, appliance control boards, simple sensor interfaces, LED driver controllers, and legacy industrial timer modules. Its wide temperature range also suits outdoor and automotive-grade subsystems where field reprogrammability is unnecessary. When designing with this MCU, reserve an external 4.5V-5.5V supply, a decoupling capacitor near VDD, and a pull-up on /MCLR. Verify programming voltage and timing against the PIC16C5X programming specification before committing the OTP image.

見積もり お問い合わせ
PIC16C54-10E/SS - 8-bit 10MHz OTP MCU 768B | Microchip 20-SSOP
PIC16C54-10E/SS

PIC16C54-10E/SS - 8-bit 10MHz OTP MCU 768B | Microchip 20-SSOP

The Microchip Technology PIC16C54-10E/SS is a member of the PIC16C5X family of low-cost, high-performance, 8-bit fully-static EPROM-based microcontrollers housed in a 20-pin SSOP package. It integrates a RISC CPU core running at 10 MHz, 768 bytes of One-Time Programmable (OTP) program memory organized as 512 x 12-bit words, and 25 bytes of data RAM, with 12 digital I/O pins. The 'E' suffix denotes the Extended (industrial) temperature grade of -40C to +125C. A microcontroller (MCU) is a single-chip computer containing a processor core, program memory, working RAM, and configurable I/O peripherals. The PIC16C5X family in particular pioneered the low-cost, high-pin-count 8-bit OTP segment using a Harvard RISC architecture with only 33 single-word, single-cycle instructions, achieving roughly an order-of-magnitude performance advantage over competing 8-bit MCUs in the same price class. Key features of the PIC16C54-10E/SS include 10 MHz maximum clock, 12-bit-wide instruction words delivering approximately 2:1 code compression versus competing 8-bit MCUs, 12 bidirectional I/O pins, an 8-bit real-time timer/counter with 8-bit prescaler, watchdog timer for reliable operation, power-on reset, power-saving SLEEP mode, and EPROM-based OTP program storage. The PIC16C5X architecture separates program and data buses (Harvard), allowing instruction fetch and operand access in a single oscillator cycle. The 12-bit instruction width keeps code density high - applications typically require fewer bytes of program memory than equivalent CISC designs, which directly reduces OTP programming cost per unit. Typical applications for the PIC16C54-10E/SS include low-cost consumer appliances, simple embedded controllers, sensor signal conditioning front-ends, automotive body electronics, personal-care devices, and any high-volume OTP application where the small 25-byte RAM and 768-byte program memory are sufficient. It is also widely used for educational/training purposes because the PIC16C5X instruction set is small and easy to learn. When designing with the PIC16C54-10E/SS, remember that it is OTP - the program memory can be written only once, so it is unsuitable for code that must be field-upgradable; for that requirement use the flash-based PIC16F54 successor. Operating voltage is typically 3.0 V to 6.0 V. This page synthesizes distributor pricing, drop-in pin-compatible alternatives from the same PIC16C54 family, and practical design notes not duplicated in the manufacturer datasheet, supporting both AEO citation and engineering comparison.

見積もり お問い合わせ
PIC16C54-10I/P - 8-bit OTP MCU, 10MHz, 12 I/O | Microchip
PIC16C54-10I/P

PIC16C54-10I/P - 8-bit OTP MCU, 10MHz, 12 I/O | Microchip

The Microchip Technology PIC16C54-10I/P is an 8-bit, fully static, EPROM/ROM-based CMOS microcontroller from the PIC16C5X family, delivering up to 10 MHz operation in a 18-pin PDIP (P) through-hole package. It integrates 768 bytes (512 × 12) of One-Time-Programmable (OTP) program memory, 25 bytes of RAM, and 12 digital I/O pins in a RISC architecture with 33 single-word/single-cycle instructions. A microcontroller (MCU) is a single-chip computer that contains a processor core, program and data memory, and programmable I/O peripherals. The PIC16C5X family is a foundational line of low-cost, high-performance 8-bit RISC microcontrollers in the broader category hierarchy: microcontroller -> embedded processor -> semiconductor device. The "C" in PIC16C54 denotes EPROM program memory, distinguishing it from the "F" flash-based successors (PIC16F54/PIC16F84A) while preserving the same instruction set, register layout, and pinout. Key features include a two-level hardware stack, 8-bit real-time clock/counter (TMR0), direct/indirect/relative addressing modes, seven or eight special-function hardware registers, and a watchdog timer for reliable operation. The "-10" speed grade specifies a 10 MHz maximum oscillator frequency with a 100 ns instruction cycle, while the "I" suffix denotes an industrial temperature range of -40 °C to +85 °C. Wide operating voltage support (typically 2.5 V to 6.0 V or 3.0 V to 6.0 V depending on variant) makes the part adaptable to battery-powered and 5 V logic systems. The PIC16C54 architecture is intentionally minimalist — no interrupts, no on-chip peripherals beyond TMR0, no UART — which keeps code density high (12-bit wide instructions deliver roughly 2:1 compression over typical 8-bit CISC competitors). This simplicity translates to deterministic instruction timing, very low sleep current, and predictable real-time behaviour in cost-sensitive embedded designs. Typical applications include consumer appliance controllers, battery chargers, LED drivers, simple sensor interfaces, and educational/hobbyist platforms where cost per unit and deterministic timing outweigh the need for modern peripherals. The 18-pin PDIP package remains popular for breadboarding and through-hole assembly in low-volume production. When designing with this device, note that OTP memory cannot be reprogrammed — firmware bugs require physical part replacement. Designers targeting in-system reprogrammability should consider the PIC16F54 (flash, same pinout) as a pin-compatible modern alternative. This page consolidates distributor pricing, same-family pin-compatible replacements, and engineering design notes that go beyond what appears in the manufacturer datasheet.

見積もり お問い合わせ
PIC16C54-10I/SO - 8-bit OTP MCU, 768B, 12 I/O, 10MHz | Microchip
PIC16C54-10I/SO

PIC16C54-10I/SO - 8-bit OTP MCU, 768B, 12 I/O, 10MHz | Microchip

The Microchip PIC16C54-10I/SO is a low-cost, high-performance 8-bit CMOS EPROM-based microcontroller from the PIC16C5X family, delivering 10 MIPS performance at 10 MHz and offering 768 bytes of one-time-programmable (OTP) program memory in a 18-pin SOIC package. It is specified for industrial temperature operation (-40C to +85C) and features 25 bytes of RAM, 12 digital I/O pins, a single 8-bit timer/counter (TMR0), and a two-level hardware stack. What is an 8-bit OTP microcontroller? An 8-bit OTP microcontroller is a small CMOS processor that executes fixed-width 12-bit instructions on 8-bit data and stores its program in one-time-programmable EPROM. It belongs to the broader family of embedded microcontrollers (MCUs), which sit within the hierarchy microcontroller -> microprocessor -> integrated circuit -> semiconductor. The PIC16C5X family in particular is a classic RISC architecture from Microchip, and the PIC16C54 is its entry-level member, designed for cost-sensitive, low-pin-count applications where a simple deterministic core is preferred over a complex flash MCU. Key features of the PIC16C54-10I/SO include 33 single-word/single-cycle instructions, 2:1 code compression versus competitive 8-bit MCUs, direct/indirect/relative addressing, 8-bit real-time clock/counter (TMR0), four interrupt sources, and a power-on reset circuit. It supports oscillator modes including RC, LP, XT, HS, and a watchdog timer for reliable industrial operation. The 18-pin SOIC (SO) footprint and 10 MHz maximum clock make it suitable for compact through-hole-free designs. Architecturally, the PIC16C54 uses a Harvard-style RISC core with a 12-bit instruction word and 8-bit data path, allowing most instructions to execute in a single instruction cycle (200 ns at 20 MHz equivalent, 400 ns at 10 MHz). Its seven or eight special-function hardware registers and two-level deep hardware stack simplify programming while keeping silicon area minimal - this is why the part remains popular as a teaching MCU and as an embedded controller in legacy industrial products. Typical applications include simple consumer appliance control, sensor signal conditioning front-ends, LED display drivers, low-cost remote controls, battery chargers, and educational microcontroller kits. The industrial temperature grade (-40C to +85C) extends deployment to factory automation peripherals, HVAC control boards, and automotive aftermarket accessories. When designing with this device, note that the EPROM program memory is OTP - once programmed, the code cannot be erased. For prototyping, choose the PIC16F54 (Flash) or PIC16C54JW (windowed EPROM) variants. In-circuit programming requires the ICSP interface implemented in firmware; the device supports Microchip's standard development toolchain including MPLAB IDE and MPASM assembler. This page synthesizes distributor stock and pricing (as of 2026-09-16), drop-in same-package alternatives, and practical design notes not collated on the manufacturer product page.

見積もり お問い合わせ
PIC16C54-10I/SS - 8-bit OTP MCU 12 I/O 10MHz | Microchip | SSOP-20
PIC16C54-10I/SS

PIC16C54-10I/SS - 8-bit OTP MCU 12 I/O 10MHz | Microchip | SSOP-20

The Microchip Technology PIC16C54-10I/SS is an EPROM/ROM-based 8-bit CMOS microcontroller delivering 10 MHz CPU performance in a 20-pin SSOP package, with 768 bytes of One-Time-Programmable (OTP) program memory, 25 bytes of data RAM, and 12 digital I/O pins. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals on one die. The PIC16C54 belongs to the original PIC16C5x family of 8-bit microcontrollers, the foundational architecture that established Microchip's RISC-based mid-range core. Within the broader taxonomy it is classified as an 8-bit MCU -> embedded microcontroller -> integrated circuit -> semiconductor. Key features include 12-bit-wide instructions, an 8-bit data path, a two-level deep hardware stack, direct/indirect/relative addressing modes, and a single 8-bit real-time clock/counter (TMR0) with an 8-bit prescaler. The device supports 33 single-word instructions with a 2:1 code compression advantage over competitors, only 12 special function hardware registers, and a 4 MHz internal oscillator option on selected derivatives. Architecturally the PIC16C54 uses a Harvard-style RISC core with separate program and data buses, executed from EPROM/OTP for one-time programmable production volumes. The 10 MHz rating supports a 100 ns instruction cycle, enabling deterministic control loop execution in cost-sensitive industrial and embedded applications. Typical use cases are low-cost 8-bit control for appliance interfaces, LED drivers, simple sensor readers, and battery-powered devices. Industrial temperature grade -40C to +85C and ceramic-equivalent SSOP-20 thermal robustness make it suitable for factory floor electronics. When designing with this part, remember the 12 I/O budget is shared with the MCLR, oscillator, and TMR0 pins; verify your pin allocation against the SSOP-20 datasheet pinout. The OTP memory cannot be re-programmed, so order pre-programmed units or use the PIC16F54 flash equivalent for development iterations. This page synthesizes distributor pricing, drop-in PIC16C5x family alternatives, and practical design considerations not consolidated on the manufacturer datasheet.

見積もり お問い合わせ
PIC16C54-H5/SO - 8-bit 20MHz OTP MCU, 768B | Microchip
PIC16C54-H5/SO

PIC16C54-H5/SO - 8-bit 20MHz OTP MCU, 768B | Microchip

The Microchip Technology PIC16C54-H5/SO is an 8-bit CMOS RISC microcontroller from the PIC16C5x family, operating at 20 MHz with 768 bytes (512 x 12) of One-Time-Programmable (OTP) program memory in an 18-pin SOIC package. It is part of the long-running PIC16C5x legacy family of low-cost, high-performance, fully static microcontrollers designed for embedded control. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals on one die; OTPs are a class of non-volatile memory that can be written once after manufacture and are ideal for low-to-medium volume production where the firmware is finalized at board bring-up. OTP sits between ROM (mask-programmed at the fab) and Flash (re-programmable in the field) in the reprogrammability hierarchy. PIC microcontrollers belong to the broader category of microcontrollers -> embedded processors -> semiconductors, and are widely used in automotive, industrial, and consumer applications. Key features of the PIC16C54-H5/SO include a RISC architecture with 33 single-word/single-cycle instructions, 12-bit instruction width, 25 ns instruction cycle time at 20 MHz, 32 bytes of RAM, 12 I/O pins, and a programmable Watchdog Timer. The device also supports an internal/external oscillator, selectable low-power XT and HS oscillator modes, and operates across a wide voltage range. This part uses an enhanced Harvard architecture with separate instruction and data buses, allowing instruction fetch to occur in parallel with data access. The 20 MHz maximum clock and single-cycle instruction set give the PIC16C54 approximately 5 MIPS of throughput, which is sufficient for simple control loops, timing, glue logic replacement, and basic sensor interfacing. The 18-SOIC (Small Outline IC) package provides a compact, surface-mountable form factor suitable for hand-soldered prototypes and high-volume PCB assembly. Typical applications for this part include simple state machines, consumer appliance control, battery chargers, automotive body electronics, sensor signal conditioning, fan controllers, and remote-control transmitters. The wide operating range and low cost make it a common choice for legacy and replacement designs where proven firmware is already in production. When designing with this part, note that the -H5 speed suffix denotes the 20 MHz oscillator range and SO is the 18-pin SOIC package. Engineers transitioning new designs to the PIC16C54 family should evaluate newer PIC16F or PIC18 alternatives for Flash-based reprogrammability, but the PIC16C54-H5/SO remains a reliable choice for long-life, cost-sensitive products. This page synthesizes distributor pricing, drop-in alternative listings, and practical design notes for engineers maintaining legacy PIC16C5x designs not covered in the Microchip datasheet alone.

見積もり お問い合わせ
PIC16C54-H5I/SO - 8-Bit 20MHz OTP MCU | Microchip | 18-SOIC
PIC16C54-H5I/SO

PIC16C54-H5I/SO - 8-Bit 20MHz OTP MCU | Microchip | 18-SOIC

The Microchip Technology PIC16C54-H5I/SO is an 8-bit RISC microcontroller from the PIC16C5x family, delivering 20MHz operation with 768 bytes of One-Time-Programmable (OTP) program memory in a 300-mil 18-pin SOIC package. It integrates 32 bytes of RAM, 12 I/O pins, and a RISC core that executes 33 single-word single-cycle instructions, providing deterministic interrupt response within one instruction period. An OTP microcontroller (One-Time-Programmable) is a class of non-volatile programmable logic device whose program memory is implemented using EPROM cells; once written, the code cannot be erased or rewritten, which makes these parts cost-optimized for high-volume production of fixed-function embedded products. PIC microcontrollers sit within the broader taxonomy: microcontroller -> embedded processor -> semiconductor IC, and they remain one of the most widely deployed 8-bit architectures in industrial, automotive, and consumer products. Key features include a 20MHz clock input, 768 bytes (512 x 12 words) of OTP program memory, 32 bytes of data RAM, 12 bidirectional I/O lines, an 8-bit timer/counter with 8-bit prescaler, power-on reset (POR), watchdog timer (WDT), and an operating voltage range suited to 3V to 5.5V systems. The wide operating temperature range of -40C to +85C (industrial grade, indicated by the 'I' suffix) supports harsh-environment deployment. The PIC16C5x architecture uses a Harvard design with separate program and data buses, enabling concurrent instruction fetch and operand access. The 12-bit instruction word is compact, and every instruction (except branches) executes in a single 200ns instruction cycle at 20MHz. The H5 speed variant indicates 20MHz maximum clock, with low-power CMOS construction that minimizes current draw in standby. Typical applications include appliance control, smart sensors, industrial timers, simple motor control, LED lighting controllers, and low-cost remote-control transmitters. Because the PIC16C54 uses OTP memory rather than flash, it is best suited to mature, finalized firmware where code updates are not anticipated during the product lifecycle. When designing with this part, ensure the MCLR reset circuit includes a 10k pull-up and decoupling of 100nF at VDD within 1 cm of the pin; the OSC1/OSC2 crystal or resonator choice must match the H5 speed grade to guarantee 20MHz stable oscillation across the -40C to +85C range. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes drawn from Microchip's PIC16C5x datasheet family, providing decision support that goes beyond what any single distributor page offers.

見積もり お問い合わせ
PIC16C54-HS/P - 8-Bit 20MHz OTP MCU, 18-PDIP | Microchip
PIC16C54-HS/P

PIC16C54-HS/P - 8-Bit 20MHz OTP MCU, 18-PDIP | Microchip

The Microchip Technology PIC16C54-HS/P is an 8-bit, fully static, EPROM/OTP-based CMOS microcontroller in a 18-pin PDIP package. It belongs to the PIC16C5x family and executes instructions at a 20 MHz clock rate, delivering 20 MIPS of throughput from a 33-instruction RISC core. The device integrates 768 bytes (512 x 12) of OTP program memory, 25 bytes of general-purpose RAM, and 12 bidirectional I/O pins organized into two ports. What is a PIC16C5x microcontroller? The PIC16C5x is a family of low-cost, high-performance, 8-bit fully static CMOS microcontrollers using a RISC architecture with only 33 single-word/single-cycle instructions. These MCUs belong to the broader hierarchy: 8-bit microcontroller -> microcontroller -> embedded processor -> semiconductor. The 12-bit-wide instruction word provides 2:1 code compression over competing 8-bit architectures of the era, while the symmetrical instruction set reduces development time. The two-level hardware stack and direct/indirect/relative addressing modes keep silicon area minimal and power consumption low for cost-sensitive embedded applications. Key features of the PIC16C54-HS/P include an 8-bit real-time clock/counter (TMR0) with 8-bit prescaler, a watchdog timer with its own on-chip RC oscillator for reliable reset behavior, and a power-on reset (POR) circuit. The HS suffix denotes a high-speed crystal/ceramic resonator oscillator option, supporting clock frequencies up to 20 MHz. Operating voltage ranges from 3.3 V to 5.5 V across a -40C to +85C commercial temperature range, making the part suitable for both battery-powered and industrial environments. The architecture uses Harvard-style separate program and data buses to allow instruction fetch and data access to occur in a single cycle. CMOS fabrication combined with the fully static core yields standby currents in the microamp range. The seven or eight special-function hardware registers (depending on port configuration) and built-in EEPROM/ROM-based program storage mean the device runs without any external program memory or data memory, enabling single-chip embedded designs. Typical applications for the PIC16C54-HS/P include appliance control, automotive sub-system modules, simple sensor interfaces, remote controls, low-end consumer electronics, and industrial timer/counter subsystems. It is also used in legacy designs requiring a 5V, 18-pin 8-bit MCU with OTP programmability for cost-sensitive high-volume production. When designing with the PIC16C54-HS/P, note that OTP memory is one-time-programmable; once the program is committed, the device cannot be reprogrammed. For prototyping, use the PIC16C54C variant or a windowed CERDIP package. Programming requires a Microchip device programmer such as MPLAB PM3. The OTP part is targeted at mature production where firmware is finalized. This page synthesizes distributor pricing, lifecycle status, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

見積もり お問い合わせ
PIC16C54-HS/SS - 8-Bit EPROM MCU 20MHz | Microchip Technology
PIC16C54-HS/SS

PIC16C54-HS/SS - 8-Bit EPROM MCU 20MHz | Microchip Technology

The Microchip Technology PIC16C54-HS/SS is an 8-bit EPROM/ROM-based CMOS microcontroller from the PIC16C5X family featuring 33 single-word/single-cycle RISC instructions, 512 words of 12-bit-wide program memory, and 25 bytes of RAM in a 20-pin SSOP package. The 'HS' suffix denotes the high-speed oscillator option supporting up to 20 MHz clock input. The device operates from a single 5 V supply across the commercial 0C to +70C temperature range, and includes 12 I/O pins with individual direction control. An 8-bit microcontroller is a small computer-on-a-chip integrating a CPU, RAM, ROM/EPROM program memory, and peripherals such as timers and I/O ports onto a single die. The PIC16C5X family belongs to the broader category of microcontrollers (MCU), which sit within the integrated circuit hierarchy: microcontroller -> microprocessor -> semiconductor device -> electronic component. These MCUs are used wherever embedded logic, simple control loops, or glue logic replacement are needed in cost-sensitive designs. Key features of the PIC16C54-HS/SS include a two-level deep hardware stack for subroutine nesting, an 8-bit real-time clock/counter (TMR0) with 8-bit prescaler, direct/indirect/relative addressing modes for data and instructions, and seven or eight special function hardware registers. Its RISC architecture delivers roughly an order-of-magnitude higher performance than competing 8-bit MCUs at the same price point, with 12-bit-wide instructions providing 2:1 code compression versus 8-bit instruction MCUs. The PIC16C54 utilizes a fully-static CMOS process with EPROM program memory, allowing UV-eraseable reprogramming during development. The 12-bit instruction word and 8-bit data path are asymmetric by design - a hallmark of the PIC architecture that simplifies decoding and enables single-cycle execution. Power-saving SLEEP mode and a watchdog timer (on derivative parts) further enhance field reliability for unattended applications. Typical applications for this part include simple logic replacement in white goods and appliances, automotive sub-system controllers (under-hood lighting, seat controllers), industrial timer/counter modules, remote control transmitters, security keypads, low-end toys and educational hardware, and battery-powered sensor reading nodes. The 20-pin SSOP package offers a compact footprint suitable for space-constrained designs. When designing with the PIC16C54-HS/SS, ensure the chosen oscillator mode (HS = high-speed crystal/ceramic resonator up to 20 MHz) is matched to a crystal or resonator with appropriate load capacitors. The /SS package is the SSOP-20 variant suitable for surface-mount production. This page synthesizes distributor pricing for the PIC16C54-HS/SS, drop-in SSOP-20 alternatives, and practical design notes not aggregated in the manufacturer datasheet.

見積もり お問い合わせ
PIC16C54-HSE/P - 8-Bit OTP MCU 16MHz 768B | Microchip
PIC16C54-HSE/P

PIC16C54-HSE/P - 8-Bit OTP MCU 16MHz 768B | Microchip

The Microchip Technology PIC16C54-HSE/P is an 8-bit EPROM/ROM-based CMOS microcontroller from the PIC® 16C family, supplied in a through-hole 18-pin PDIP package. It integrates a RISC CPU core with 768 bytes (512 x 12) of One-Time-Programmable (OTP) program memory, 25 bytes of RAM, and runs at a maximum clock speed of 16 MHz with a 200 ns instruction cycle. The HSE suffix indicates the high-speed 16 MHz oscillator variant, the E denotes the extended (-40 °C to +125 °C) operating temperature grade, and /P confirms the 18-pin PDIP package. Background: An 8-bit OTP microcontroller is a single-chip computer built around an 8-bit data path, with non-volatile program memory that can be written once and read many times (One-Time-Programmable). OTP parts sit between mask-ROM devices (cheapest at volume, no field programming) and Flash parts (re-programmable). PIC® microcontrollers from Microchip belong to the RISC (Reduced Instruction Set Computer) hierarchy of small embedded controllers, characterized by a small instruction set, single-cycle execution, and Harvard memory architecture. They are widely deployed in cost-sensitive, deterministic embedded applications where minimal external component count and predictable timing are valued over large code space or in-system re-programmability. Key features of the PIC16C54-HSE/P include 12-bit wide instructions (giving 2:1 code compression versus typical 8-bit CISC MCUs), 33 single-word single-cycle instructions, a fully static design that allows clock stopping, a programmable code protection bit, and a power-on reset (POR) plus watchdog timer (WDT) for reliable operation in unattended environments. The device supports an operating voltage range of 2.5 V to 6.25 V (5 V nominal), with typical supply current under 2 mA at 5 V / 4 MHz and under 10 µA in standby. Architecturally, the PIC16C54-HSE/P uses a two-stage pipeline RISC core that fetches an instruction while executing the previous one, yielding nearly one MIPS per MHz. The 12-bit instruction word packs both opcode and operand, allowing very dense code. Twelve special-function registers (SFRs) handle I/O and control, and 12 digital I/O pins are brought out across the two ports (RA0-RA3, RB0-RB7). The HSE oscillator option drives the on-chip oscillator block with a high-speed crystal or external clock up to 16 MHz, supporting faster execution than the standard HS (high-speed) option without changing instruction timing. Typical applications include automotive body controllers, appliance control boards, security system sensor interfaces, low-end remote-control transmitters, and small industrial timers where cost and small code footprint matter more than in-system re-programmability. The automotive temperature grade makes the part suitable for under-hood and dashboard deployments. Designers often pair the PIC16C54 with a PICkit™ or MPLAB® PM3 programmer for production programming of the OTP array. Design considerations: the OTP memory cannot be re-programmed in-circuit, so firmware must be fully validated before burning. Use decoupling of 100 nF plus 10 µF tantalum within 5 mm of VDD, and keep the crystal traces short and guarded. The maximum I/O sink/source current is 25 mA per pin and 100 mA per port, so any higher-current load (relay, LED string) must be buffered by a transistor. Power-on reset and watchdog timer should always be enabled in safety-critical applications. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

見積もり お問い合わせ
PIC16C54-HSE/SO - 8-Bit 16MHz OTP MCU 768B 18-SOIC | Microchip
PIC16C54-HSE/SO

PIC16C54-HSE/SO - 8-Bit 16MHz OTP MCU 768B 18-SOIC | Microchip

The Microchip Technology PIC16C54-HSE/SO is an 8-bit RISC microcontroller from the PIC16C5x family housed in an 18-pin SOIC package. The HSE suffix denotes a high-speed 16 MHz ceramic-resonator/HS oscillator variant operating over 4.5V to 5.5V with 768 bytes of One-Time-Programmable (OTP) program memory and 25 bytes of RAM, executing one instruction per 250 ns instruction cycle. As a member of Microchip's original baseline PIC family, the PIC16C54-HSE/SO delivers 12-bit wide, 33-instruction RISC architecture with fully static CMOS design. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (ROM/Flash/OTP), data memory (RAM), and integrated peripherals such as timers, I/O ports, and interrupts. The PIC16C5x baseline family sits at the entry tier of the Microchip PIC architecture, optimized for cost-sensitive, deterministic control tasks in appliance, automotive, and industrial applications. Within the broader taxonomy, the PIC16C54 belongs to: microcontroller -> 8-bit MCU -> PIC16 baseline -> CMOS EPROM/OTP family. This category is now largely superseded by Flash-based PIC16F1xxx parts but remains in long-lifecycle and legacy designs. Key features of the PIC16C54-HSE/SO include 12 I/O pins, 2.5 mA typical I/O source/sink, an 8-bit real-time timer/counter with 8-bit prescaler, power-on reset, watchdog timer, and code-protection. The OTP program memory is windowless (one-time programmable only) and the device is rated for industrial temperature operation from -40C to +85C, with extended grades to +125C. Power consumption is approximately 2 mA at 5V/16 MHz operating and under 1 uA in SLEEP mode. The PIC16C54-HSE/SO uses a Harvard architecture with separate program and data buses, enabling single-cycle instruction fetch plus ALU operation. Its high-speed 16 MHz external oscillator option (versus the standard 4 MHz LP oscillator of the base PIC16C54) makes the part suitable for time-critical control loops, while the RISC instruction set keeps interrupt latency deterministic at 4 cycles. The 18-SOIC package is the wide-body 300-mil SOIC, which is hand-solder friendly and compatible with most through-hole adapter boards. Typical applications include appliance control boards, automotive body controllers, security keypads, simple sensor interfaces, low-end motor control, and white-goods user-interface logic. The wide SO package and OTP memory suit designs requiring a stable firmware image for the product's lifetime without field reprogramming. When designing with the PIC16C54-HSE/SO, plan for the OTP programming step early; OTP memory cannot be erased, so firmware must be fully debugged in a windowed or Flash-based sibling (such as PIC16F54) before final code commitment. The 25-byte RAM limit and absence of hardware UART constrain this part to small, polled control loops rather than communication-heavy tasks. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineers a one-stop reference for legacy PIC16C5x designs.

見積もり お問い合わせ
PIC16C54-HSE/SS - 8-Bit EPROM MCU 20MHz 768B OTP 20-SSOP | Microchip
PIC16C54-HSE/SS

PIC16C54-HSE/SS - 8-Bit EPROM MCU 20MHz 768B OTP 20-SSOP | Microchip

The Microchip Technology PIC16C54-HSE/SS is an 8-bit EPROM/ROM-based CMOS microcontroller from the PIC16C5X family, featuring a 12-bit instruction word, 33 single-word/single-cycle RISC instructions, and 768 bytes (512 x 12) of one-time-programmable (OTP) program memory. Operating from a 4.5V to 5.5V supply with a maximum clock speed of 20 MHz, the device is offered in a 20-pin SSOP (Shrink Small Outline Package) and is specified for the commercial operating temperature range. What is an 8-bit OTP microcontroller? An 8-bit OTP microcontroller is a small, low-cost, fully-static computing device that integrates a CPU, program memory, RAM, and peripheral I/O on a single CMOS die. The EPROM-based OTP memory is written once using a device programmer and cannot be erased, which makes these parts economical for high-volume embedded products where code is fixed at production time. PIC16C5X MCUs occupy the entry-level tier of the 8-bit microcontroller taxonomy: microcontroller -> 8-bit MCU -> PIC family -> PIC16C5X sub-family -> CMOS RISC core with 12-bit instruction set. Key features of the PIC16C54-HSE/SS include 25 bytes of general-purpose RAM, 12 digital I/O pins arranged as three ports (PORT A, PORT B, PORT C), an 8-bit timer/counter (TMR0) with an 8-bit prescaler, a watchdog timer with its own on-chip RC oscillator, power-on reset, and a power-saving SLEEP mode. The HSE suffix designates a 20 MHz high-speed oscillator variant within the PIC16C54 range, and the SS suffix denotes the SSOP-20 industrial/commercial package. Architecturally, the PIC16C5X family uses a Harvard architecture with separate program and data buses, a 2-stage pipeline, and a RISC instruction set that executes most instructions in a single instruction cycle (4 oscillator clocks). This pipeline, combined with the static CMOS design, gives a deterministic 200 ns instruction cycle at 20 MHz. Code density is roughly 2:1 better than competing 8-bit CISC architectures because the 12-bit fixed instruction width matches the register file granularity. Typical applications include low-cost consumer appliances, automotive sub-system controllers, battery chargers, simple sensor interfaces, remote controls, LED drivers, and small industrial controllers. Because the program memory is OTP, the part is best suited to designs whose firmware is frozen at production and does not require field updates. Compared with the FLASH-based PIC16F54 successor, the PIC16C54-HSE/SS trades reprogrammability for lower unit cost in mature, stable designs. When designing with this device, note that in-circuit serial programming (ICSP) is not available on the OTP PIC16C5X family - code must be loaded by a parallel programmer such as the Microchip MPLAB PM3 before the part is soldered. Decoupling capacitors of 0.1 uF should be placed close to VDD and VSS, and unused I/O pins should be configured as outputs to minimize current draw in SLEEP mode. The 25-byte RAM budget means that deeply nested call stacks or large lookup tables must be kept in program memory. This page synthesizes distributor pricing, drop-in same-package alternatives drawn from the Microchip PIC16C5X family, and practical design notes not found in the manufacturer datasheet.

見積もり お問い合わせ
PIC16C54-LP/P - 8-Bit 40MHz OTP MCU, 768B, 18-PDIP | Microchip
PIC16C54-LP/P

PIC16C54-LP/P - 8-Bit 40MHz OTP MCU, 768B, 18-PDIP | Microchip

The Microchip Technology PIC16C54-LP/P is an 8-bit CMOS microcontroller from the PIC16C5x family, housed in an 18-pin PDIP (Plastic Dual In-line Package) through-hole package. It integrates 768 bytes of One-Time-Programmable (OTP) program memory organized as 512 x 12 words, 25 bytes of general-purpose RAM, and 12 digital I/O pins in a low-power (LP) speed grade optimized for low-frequency, low-current operation. A PIC16C5x microcontroller is one of the earliest commercially successful Reduced Instruction Set Computing (RISC) 8-bit microcontrollers, belonging to the broader PIC (Peripheral Interface Controller) family designed by General Instruments and commercialized by Microchip Technology. In the taxonomy of embedded semiconductors, PIC16C5x devices are entry-level OTP microcontrollers: PIC16C5x -> PIC16C -> PIC family -> 8-bit microcontroller -> MCU -> embedded semiconductor. The 12-bit-wide instruction set is highly symmetrical, delivering roughly 2:1 code compression over competing 8-bit CISC architectures in its class, which historically allowed PIC MCUs to fit more functionality into smaller program memories. Key features of the PIC16C54-LP/P include a maximum oscillator frequency of 40 MHz, an operating voltage range of 3.0 V to 6.0 V, and an ultra-low-power sleep current in the microampere range. The 12 I/O pins can source or sink up to 25 mA each, making them capable of directly driving LEDs and small relays without external drivers. Two 8-bit timer/counters, a watchdog timer with its own on-chip RC oscillator, and a 4-MHz internal RC oscillator option provide flexible timing for embedded control loops. Architecturally, the PIC16C54 uses a Harvard RISC core with separate program and data buses, a 2-stage pipeline, and 33 single-word/single-cycle instructions. This RISC architecture is what allows the device to execute most instructions in a single instruction cycle (one oscillator period x 4), giving near-1:1 MIPS-to-MHz performance. Code and stack protection are not implemented on this OTP-only device, and in-circuit debugging is unavailable because there is no ICD header. Typical applications include low-cost consumer appliance controllers, simple sensor interfaces, LED chasers, hobby electronics, educational microcontroller platforms, replacement of discrete logic in legacy industrial controls, and any application where ultra-low power consumption, deterministic timing, and small code size outweigh the need for re-programmability. When designing with the PIC16C54-LP/P, note that OTP memory means code is programmed once with a device programmer such as the MPLAB PM3 and cannot be erased. Plan prototyping carefully and consider PIC16F54 (Flash-based, same pinout) for engineering samples if in-system re-programmability is required. This page synthesizes distributor pricing, drop-in same-package alternatives drawn from the PIC16C5x family, and practical design notes not consolidated on any single manufacturer or distributor page.

見積もり お問い合わせ
PIC16C54-LP/SS - 8-bit OTP MCU, 768B, 12 I/O, SSOP-20 | Microchip
PIC16C54-LP/SS

PIC16C54-LP/SS - 8-bit OTP MCU, 768B, 12 I/O, SSOP-20 | Microchip

The Microchip PIC16C54-LP/SS is an 8-bit EPROM/OTP-based CMOS microcontroller in the PIC16C5X family, featuring 768 bytes of OTP program memory, 25 bytes of RAM, and 12 I/O pins in a 20-pin SSOP package. It operates from 3.0V to 6.0V supply, supports clock speeds up to 40 kHz in LP (low-power) oscillator mode, and provides 12-bit wide instructions with a 33-instruction RISC instruction set optimized for 2:1 code compression over competing 8-bit architectures. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, I/O peripherals, and clock generation into one package. The PIC16C5X family belongs to the broader category of microcontrollers, which sit inside the semiconductor hierarchy as programmable logic devices used to implement embedded control functions. The "LP" suffix designates the low-power oscillator mode, which pairs with a 32 kHz watch crystal for ultra-low standby current, while "SS" denotes the SSOP (Shrink Small Outline Package) form factor. Key features include a two-level hardware stack, direct/indirect/relative addressing modes, an 8-bit real-time counter (TMR0), power-on reset, watchdog timer, and code protection. The PIC16C5X architecture delivers roughly an order-of-magnitude higher performance than competing MCUs in the same price tier, according to the manufacturer datasheet. Typical applications include low-cost embedded control nodes, appliance timers, battery-powered sensor interfaces, simple motor controllers, and remote-control transmitters. The wide 3.0V-6.0V supply range and LP oscillator mode make it well suited for energy-constrained applications drawing microamp-level standby currents. When designing with the PIC16C54-LP/SS, note that OTP (One-Time Programmable) memory cannot be erased, so development typically begins with the windowed JW-package variant before committing to the production SSOP OTP device. Program with the MPLAB PM3 Universal Device Programmer. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not consolidated on the manufacturer datasheet or individual distributor listings.

見積もり お問い合わせ
PIC16C54-LPE/SO - 8-Bit 40MHz OTP MCU 768B | Microchip
PIC16C54-LPE/SO

PIC16C54-LPE/SO - 8-Bit 40MHz OTP MCU 768B | Microchip

The Microchip Technology PIC16C54-LPE/SO is an 8-bit RISC microcontroller from the PIC® 16C family featuring 768 bytes (512 x 12) of One-Time-Programmable (OTP) program memory, 25 bytes of RAM, and a maximum clock frequency of 40 MHz, all housed in an 18-pin SOIC (0.295 inch / 7.50 mm body width) surface-mount package. The "-LP" suffix denotes the low-power oscillator mode and "-E" indicates the extended commercial temperature grade; "LPE/SO" is a specific speed/temperature/package combination optimized for low-power operation. An OTP microcontroller is a type of non-volatile programmable logic device whose program memory can be written exactly once using a device programmer; after programming, the code is permanent, making OTP MCUs ideal for cost-sensitive, high-volume, fixed-function applications. Within the system hierarchy, the PIC16C54 belongs to the microcontroller -> embedded controller -> semiconductor device category, and uses a Harvard RISC architecture with only 33 single-word, single-cycle instructions. This simplicity, combined with a static CMOS core, makes the PIC16C5X family one of the original PICmicro® devices still in legacy use. Key features of this part include Power-on Reset (POR), a Watchdog Timer (WDT) for unattended operation, an internal RC oscillator option, low-power sleep mode, and 12 I/O pins with high-current sink/source capability. The 18-SOIC package supports surface-mount manufacturing with gull-wing leads and a 1.27 mm pitch, and the wide 7.50 mm body width aids hand-soldering and inspection. The PIC16C54-LPE/SO utilizes a 12-bit instruction word with a two-stage pipeline, achieving 200 ns instruction execution at the maximum 40 MHz oscillator rate. Its RISC core delivers deterministic timing suitable for bit-banged protocols, motor control sequencing, and simple state machines. The device operates from 3.0 V to 5.5 V across the commercial temperature range. Typical applications include automotive body controllers (the listed "-E" suffix indicates an extended grade), appliance control boards, security-system keypads, LED controllers, sensor signal conditioning front-ends, battery chargers, and replacement upgrades for legacy discrete-logic designs. Designers also use the PIC16C54 as a glue-logic replacement for 74-series TTL in cost-down redesigns. When designing with the PIC16C54-LPE/SO, ensure the device programmer supports the EPROM/OTP cell variant - standard FLASH programmers cannot write this part. Allow a margin of at least 20 percent on the oscillator frequency for automotive temperature excursions, and add a 100 nF decoupling capacitor adjacent to VDD. This page synthesizes distributor pricing, drop-in same-package alternatives (PIC16C54C family variants), and practical design notes not consolidated on a single manufacturer page.

見積もり お問い合わせ
PIC16C54-LPI/P - 8-Bit 40MHz OTP MCU, 768B | Microchip
PIC16C54-LPI/P

PIC16C54-LPI/P - 8-Bit 40MHz OTP MCU, 768B | Microchip

The Microchip Technology PIC16C54-LPI/P is a 8-bit CMOS RISC microcontroller from the PIC16C5X family, featuring 768 bytes (512 x 12) of One-Time-Programmable (OTP) program memory, 25 bytes of RAM, and a 12 I/O pin count, housed in an 18-pin PDIP through-hole package. It executes instructions at up to 40 MHz (10 MHz oscillator input divided by 4) and supports the low-power (LP) oscillator mode for reduced current draw. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (program + data), and programmable I/O peripherals. The PIC16C5X family is part of Microchip's classic baseline 8-bit PIC architecture, which introduced the popular RISC instruction set that later scaled into PIC16 and PIC18 families. Within the broader semiconductor taxonomy, an MCU sits inside Integrated Circuits > Microcontrollers and historically served as the lowest-cost entry point for embedded control in appliances, toys, and simple industrial timers before modern Cortex-M0 and RISC-V parts displaced it in new designs. Key specifications include: 33 single-word/single-cycle instructions, a 2-level deep hardware stack, 8-bit real-time clock/counter (TMR0), direct/indirect/relative addressing modes, a watchdog timer for safety, and an operating temperature range of -40C to +85C (industrial grade). The 12-bit-wide instruction word provides 2:1 code compression over typical 8-bit CISC microcontrollers, allowing programs that would consume 1.5 KB on competing parts to fit in 768 bytes. Architecturally, the PIC16C54 uses a Harvard-style separate program/data bus, fully static CMOS design for low quiescent current, and EPROM/OTP-based program memory. Brown-out and power-on reset circuitry protect against undefined behavior during supply transients. The device targets low-cost, high-volume embedded applications where minimal pin count and deterministic interrupt-free operation outweigh the need for peripherals such as UART, ADC, or PWM. Typical applications include simple timer/sequencer logic, battery chargers, motor control (relay/coil drivers), LED blinkers, remote-control transmitters, security keypads, and appliance control boards. The wide operating temperature and OTP memory make it especially common in cost-sensitive consumer products with short life cycles. When designing with this part, use a 4 MHz to 10 MHz crystal or ceramic resonator with the LP oscillator option to minimize current consumption in battery-powered systems. Ensure MCLR is properly biased through a 10 kohm pull-up to VDD to prevent spurious resets, and place a 0.1 uF decoupling capacitor within 5 mm of the VDD pin. This page synthesizes distributor pricing, OTP/EPROM flash-family drop-in alternatives, and practical design notes not found in the original Microchip datasheet.

見積もり お問い合わせ
PIC16C54-LPI/SS - 8-bit EPROM MCU, 12 I/O, SSOP-20 | Microchip
PIC16C54-LPI/SS

PIC16C54-LPI/SS - 8-bit EPROM MCU, 12 I/O, SSOP-20 | Microchip

The Microchip PIC16C54-LPI/SS is an 8-bit EPROM/ROM-based CMOS microcontroller belonging to the PIC16C5X family, housed in a 20-pin SSOP package. It integrates 768 bytes (0.75 KB) of program memory and 25 bytes of RAM, alongside 12 general-purpose I/O pins. The device operates from a 2.5V to 6.25V supply and is rated for the industrial temperature range of -40 °C to +85 °C, as confirmed by distributor data. The "LP" suffix indicates the low-power variant designed for battery-friendly applications, and the "I" suffix denotes the industrial temperature grade. A microcontroller (MCU) is a single-chip computer containing a processor core, program memory, data RAM, and programmable I/O peripherals. The PIC16C5X family uses a RISC architecture with only 33 single-word/single-cycle instructions, giving it a 2:1 code compression advantage over competing 8-bit MCUs in the same price category. Within the broader taxonomy, this places the PIC16C54 as a micro-controller -> embedded processor -> semiconductor device. Its Harvard-style separate program/data buses and 12-bit wide instruction word allow deterministic single-cycle execution of most opcodes. Key features include a 12-bit instruction word, an 8-bit data path, two-level hardware stack, an 8-bit real-time clock/counter (TMR0), and direct/indirect/relative addressing modes. Seven or eight special-function hardware registers support rapid context save/restore. The device has a maximum clock speed of 40 MHz, providing up to 10 MIPS instruction throughput. As an OTP (one-time programmable) EPROM-based part, the PIC16C54-LPI/SS is well suited to legacy, low-cost, low-volume embedded designs where Flash reprogrammability is not required. Typical applications include industrial controllers, simple sensor interfaces, appliance control boards, LED driving circuits, hobbyist projects, and replacement of older discrete logic in legacy systems. Because of its small footprint and ultra-low cost, it remains common in mature designs and educational kits where deterministic execution and minimal BOM are priorities. When designing with the PIC16C54-LPI/SS, ensure your programmer supports OTP/EPROM devices (e.g., MPLAB PM3) and provide adequate decoupling (typically 0.1 µF) close to VDD. As an OTP device, code must be committed at production time; consider PIC16F54 if in-field Flash reprogrammability is required. This page synthesizes distributor pricing, drop-in SSOP-20 alternatives from the same PIC16C5X family, and practical design considerations not found in the bare manufacturer datasheet.

見積もり お問い合わせ
PIC16C54-RC/P - 8-Bit 4MHz OTP MCU, 12 I/O | Microchip
PIC16C54-RC/P

PIC16C54-RC/P - 8-Bit 4MHz OTP MCU, 12 I/O | Microchip

The Microchip Technology PIC16C54-RC/P is an 8-bit CMOS microcontroller in the PIC16C5x family, offering 4MHz CPU clock, 768 bytes (512 x 12) of One-Time-Programmable (OTP) program memory, and 25 bytes of RAM in a 18-pin PDIP (0.300", 7.62mm) through-hole package. The "RC" suffix denotes the on-chip oscillator type that uses an external resistor/capacitor network, while the "/P" suffix indicates the PDIP package. An 8-bit microcontroller (MCU) is a single-chip computer containing a CPU, memory (ROM/RAM), and programmable I/O peripherals on one integrated circuit. The PIC16C5X family from Microchip Technology is a low-cost, high-performance, fully static, EPROM/ROM-based 8-bit CMOS microcontroller family employing a RISC architecture with only 33 single-word/single-cycle instructions. These devices belong to the broader semiconductor hierarchy: microcontroller -> embedded MCU -> integrated circuit -> semiconductor device. Key features include 12 digital I/O pins, an 8-bit timer/counter, a 4MHz internal oscillator (RC type), watchdog timer, power-on reset, and 12-bit-wide instruction words that provide 2:1 code compression over other 8-bit microcontrollers in its class. The RISC Harvard architecture separates program and data memory, enabling simultaneous instruction fetch and data access for faster execution. The PIC16C54-RC/P operates from a single 3.0V to 6.0V supply, drawing only a few milliamps of active current and supporting power-saving SLEEP mode. Typical applications include low-cost embedded control, sensor interfacing, appliance controllers, automotive body electronics, hobbyist projects, and legacy industrial control replacement. The 12 I/O lines and 768-byte OTP program memory provide sufficient headroom for simple state-machine and I/O-scanning applications such as keypad scanners, LED drivers, and small motor controllers. When designing with this MCU, account for OTP memory (one-time programmable only; not re-programmable in-circuit). Use the MPLAB PM3 or equivalent programmer for code load. Verify the RC oscillator component values against Vdd for reliable clock startup across operating temperature. This page synthesizes distributor pricing, drop-in alternative MPNs, and practical design notes not found in the manufacturer datasheet alone.

見積もり お問い合わせ
PIC16C54-RC/SO - 8-bit OTP MCU, 4MHz, 12 I/O | Microchip
PIC16C54-RC/SO

PIC16C54-RC/SO - 8-bit OTP MCU, 4MHz, 12 I/O | Microchip

The Microchip Technology PIC16C54-RC/SO is an 8-bit RISC CMOS microcontroller built on the PIC16C5x core, delivering 4 MHz maximum clock speed with 768 bytes (512 x 12 words) of One-Time-Programmable (OTP) program memory in an 18-pin SOIC package. It exposes 12 general-purpose I/O pins, offers 25 bytes of RAM, and operates from a 3.0 V to 5.5 V supply. The architecture uses a 12-bit wide instruction word with only 33 single-word/single-cycle instructions, providing roughly 2:1 code compression versus competing 8-bit microcontrollers in the same price tier. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (ROM/RAM), and programmable I/O. The PIC16C5X family belongs to the OTP/EPROM-based 8-bit RISC microcontroller category, sitting within the broader taxonomy of microcontrollers -> embedded microprocessors -> semiconductor ICs. It is widely used in cost-sensitive, low-power embedded applications where deterministic instruction timing and small code footprints matter more than raw arithmetic throughput. Key features of the PIC16C54-RC/SO include a fully static CMOS design that allows the clock to be slowed or stopped without losing register state, a programmable watchdog timer with on-chip RC oscillator for reliable operation, and an internal power-on reset circuit. The 12 I/O pins each support independent direction control, and the device consumes only a few milliamps at 4 MHz - ideal for battery-powered or always-on appliances. The OTP program memory supports one-time field programming via Microchip's PM3 or earlier universal programmers, and the device is offered in commercial 0C to +70C temperature grade. Architecturally, the PIC16C5x uses a Harvard-style separate program/data bus, two-stage pipelined fetch/decode, and a 5-level deep hardware stack. The 12-bit instruction width is wide enough to embed literal operands directly, eliminating most multi-word instructions. This RISC-style design yields deterministic 250 ns instruction cycle time at 4 MHz, which simplifies real-time control loop design versus accumulator-based 8-bit MCUs. Typical applications include appliance control (rice cookers, washing machines, microwave ovens), remote-control transmitters, LED display drivers, simple sensor interface boards, and hobbyist or educational embedded projects. The wide 3.0 V-5.5 V supply range suits both 3.3 V logic and legacy 5 V systems. For new designs, consider PIC16F54 (flash-based) as the modern equivalent; PIC16C54-RC/SO is recommended for legacy board replacements, cost-sensitive high-volume designs, or products where OTP suffices for production programming. A key design tip: OTP memory cannot be reprogrammed - engineers must commit code to the device exactly once using a supported programmer, so verify firmware thoroughly in a flash-based equivalent (e.g. PIC16F54) before committing to production. Also note that the 'RC' suffix indicates the oscillator selection, so confirm pin assignments against the datasheet when migrating from XT or HS variants. This page synthesizes distributor pricing, drop-in alternatives, and practical design guidance not found in the manufacturer datasheet alone, giving engineers a single reference for sourcing, replacement, and board-level integration.

見積もり お問い合わせ
PIC16C54-RC/SS - 8-bit OTP MCU, 4MHz RC Osc, SSOP-20 | Microchip
PIC16C54-RC/SS

PIC16C54-RC/SS - 8-bit OTP MCU, 4MHz RC Osc, SSOP-20 | Microchip

The Microchip Technology PIC16C54-RC/SS is an 8-bit, fully-static, EPROM/ROM-based CMOS microcontroller from the foundational PIC16C5X family, housed in a 20-pin SSOP (5.30 mm body) package. It integrates 0.75 KB (512 x 12) of one-time-programmable (OTP) program memory, 25 bytes of RAM, and 12 general-purpose I/O lines, while operating at a maximum clock frequency of 4 MHz from a 4.0 V to 6.0 V supply. The 'RC' suffix designates an internal/external RC oscillator variant, which trades absolute frequency accuracy for the lowest cost and simplest BOM. What is a microcontroller? A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (ROM/Flash/EPROM), working memory (RAM), and configurable I/O peripherals. An 8-bit MCU like the PIC16C54 executes instructions on 8-bit-wide data with a 12-bit instruction word, combining deterministic timing with extremely low cost. MCUs sit in the broader hierarchy of embedded computing alongside microprocessors and SoCs, serving as the always-on logic brain for appliances, sensors, and control loops. Key features include 33 single-word, single-cycle RISC instructions (most execute in 200 ns at 20 MHz equivalent), a two-level-deep hardware stack, and seven or eight special function hardware registers. The 8-bit Timer0 (TMR0) with an 8-bit prescaler provides deterministic event timing, while direct, indirect, and relative addressing modes cover most control-flow patterns. Power-fail reset, watchdog timer, and code-protection features are available across the family. Architecturally, the PIC16C54 uses a Harvard-style RISC core with separate program and data buses, giving it a 2:1 code-compression advantage over competing 8-bit CISC MCUs in its class. The 12-bit instruction word keeps opcode fetch and execution in one clock cycle. The device is fabricated on a low-power CMOS process, and its fully-static design allows the clock to be stopped without losing register state. Typical applications include low-cost consumer appliances, simple sensor interfaces, RC-servo/IR remote-control transmitters, and disposable medical or industrial controllers where price dominates the BOM. The 0 to 70 °C commercial temperature range and SSOP-20 footprint suit compact through-hole-free assemblies on consumer-grade PCBs. When designing with this part, derate the RC oscillator's frequency tolerance (typically ±5 to ±10 % over temperature and voltage) against any timing-sensitive function, or step up to an 'XT' or 'HS' crystal variant. OTPs cannot be reprogrammed, so verify firmware on a JW-windowed or ICE device before committing to the production OTP. This page synthesizes distributor pricing, drop-in same-package alternatives, parametric comparison, and practical design notes not consolidated in the manufacturer datasheet.

見積もり お問い合わせ
PIC16C54-RCE/SO - 8-bit OTP MCU, 4MHz, 768B ROM, SOIC-18 | Microchip
PIC16C54-RCE/SO

PIC16C54-RCE/SO - 8-bit OTP MCU, 4MHz, 768B ROM, SOIC-18 | Microchip

The Microchip PIC16C54-RCE/SO is a member of the PIC16C5X family of low-cost, high-performance, 8-bit fully-static EPROM/ROM-based CMOS microcontrollers. It integrates 768 bytes (512 x 12) of one-time-programmable (OTP) program memory, 25 bytes of RAM, and 12 I/O pins in an 18-pin SOIC package. The device operates from a 4 MHz RC-oscillator-compatible clock input and supports a single 5 V supply with an extended industrial temperature range of -40C to +125C. An 8-bit microcontroller (MCU) is a small computing system on a single integrated circuit that combines a CPU, RAM, ROM/Flash, I/O peripherals, and timers in one package. Microcontrollers sit in the semiconductor hierarchy as: microcontroller -> embedded processor -> integrated circuit -> semiconductor. The PIC16C5X family is one of the earliest RISC-architecture 8-bit MCUs and remains popular in cost-sensitive and high-volume designs where predictable behavior and ultra-low power are essential. The PIC16C54 executes 33 single-word instructions, all single-cycle (200 ns) except program branches which take two cycles, giving a deterministic instruction throughput ideal for interrupt-driven and tight-loop control tasks. Its Harvard memory architecture separates program and data paths to maximize throughput. Brown-out and watchdog options are device-dependent; the OTP variant allows factory or field one-time programming through Microchip device programmers. Architecturally, the PIC16C54 employs a 12-bit instruction word, an 8-bit data path, two stack levels for subroutine nesting, and a power-on reset (POR) circuit. The internal RC oscillator option (denoted 'RC') simplifies designs by eliminating an external crystal; the 'E' suffix in RCE denotes the extended-temperature grade and 'C' indicates the CMOS process. These features balance silicon area, deterministic timing, and ultra-low quiescent current for battery-tolerant applications. Typical applications include remote controls, automotive sub-system controllers, sensor signal conditioning, simple closed-loop PID control, low-end consumer appliances, and battery-powered instrumentation. Designers choose the PIC16C54-RCE/SO when code density, deterministic interrupt latency, and small footprint are critical. When laying out the PCB, place VDD/VSS decoupling capacitors (0.1 uF ceramic) within 5 mm of the supply pins and keep the MCLR pin trace short. For new designs, Microchip recommends evaluating the pin-compatible PIC16F54 flash MCU to avoid OTP obsolescence risk. This page synthesizes distributor pricing, drop-in alternatives within the PIC16C5X family, and practical design notes that are not consolidated in the manufacturer datasheet alone.

見積もり お問い合わせ
PIC16C54-RCE/SS - 8-Bit 4MHz OTP MCU 768B | Microchip
PIC16C54-RCE/SS

PIC16C54-RCE/SS - 8-Bit 4MHz OTP MCU 768B | Microchip

The Microchip Technology PIC16C54-RCE/SS is an 8-bit EPROM/OTP-based CMOS microcontroller in the PIC16C5X family, delivering 4 MIPS performance at 4 MHz from a 512 x 12 (768-byte) one-time-programmable program memory in a 20-pin SSOP package. It operates from 3.25V to 6V supply across an industrial -40C to +125C temperature range and supports external oscillator clocking via the OSC1/OSC2 pins. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, working RAM, and peripheral I/O. The PIC16C5X family belongs to Microchip's original 8-bit PIC architecture hierarchy (PIC10/12/16/18 -> 8-bit PIC -> RISC microcontroller -> embedded MCU), built on a Harvard RISC architecture with only 33 single-word/single-cycle instructions. This compact instruction set delivers deterministic timing and small code size, distinguishing it from accumulator-based CISC microcontrollers of the same era. Key features include 25 bytes of general-purpose RAM, 12-bit-wide instructions for 2:1 code compression over competing 8-bit MCUs, an 8-bit timer/counter with optional prescaler, a Watchdog Timer with on-chip RC oscillator for reliable operation, and power-saving SLEEP mode. The OTP (One-Time Programmable) memory enables low-volume prototyping and production runs. The device is well suited for low-cost, high-volume embedded applications such as consumer electronics, simple appliance control, automotive sub-systems, and industrial timer/counter designs where deterministic response and minimal component count matter more than raw performance. Design considerations include power-supply decoupling with a 0.1uF ceramic capacitor close to VDD, ensuring VSS and VDD rails are properly routed, and selecting a clock source that meets the application's timing accuracy requirements. Note that this part is in the legacy OTP line; Microchip recommends the flash-based PIC16F54 as the modern successor.

見積もり お問い合わせ
PIC16C54-RCI/SS - 8-bit 4MHz 768B OTP MCU 20-SSOP | Microchip
PIC16C54-RCI/SS

PIC16C54-RCI/SS - 8-bit 4MHz 768B OTP MCU 20-SSOP | Microchip

The Microchip Technology PIC16C54-RCI/SS is an 8-bit EPROM/ROM-based CMOS microcontroller in the PIC16C5x family, housed in a 20-pin SSOP (SS) package. It integrates 768 bytes (512 x 12) of One-Time-Programmable (OTP) program memory, a 4 MHz internal/external oscillator option, and 25 bytes of RAM, delivering compact deterministic control in cost-sensitive embedded designs. Per the DigiKey listing, the device supports a 4 MHz instruction rate through its 12-bit-wide instruction word and operates across the standard PIC16C5x voltage and temperature ranges. A PIC microcontroller (Peripheral Interface Controller) is a Harvard-architecture 8-bit MCU family that uses a separate program and data bus, enabling most instructions to execute in a single instruction cycle. PIC16C5x devices sit at the foundation of Microchip's 8-bit portfolio, predating the flash-based PIC16F5x line, and are historically used in simple logic-replacement, timer, sensor-interface, and consumer-control applications where low cost and small footprint outweigh reprogrammability. Key features include a RISC instruction set with 33 single-word instructions, a two-level deep hardware stack, direct/indirect/relative addressing modes, a single 8-bit real-time clock/counter (TMR0) with an 8-bit programmable prescaler, and seven or eight special-function hardware registers. The -RCI temperature grade typically denotes an industrial operating range of -40C to +85C, with the 'C' suffix identifying the CMOS-process revision. The PIC16C54-RCI/SS is OTP, meaning the program memory can be written only once - a contract between cost and flexibility versus flash-based F-series parts. The 'SS' suffix designates the 20-pin SSOP (Shrink Small Outline Package) footprint, which provides a denser alternative to the 18-pin PDIP for space-constrained assemblies while remaining hand-solderable with standard techniques. Typical applications include appliance control, low-end remote controllers, LED lighting sequencers, battery chargers, security-system keypads, and simple sensor/actuator nodes. The minimal instruction set and two-level stack favour shallow call-depth firmware rather than complex state machines. When designing with this device, note that PIC16C5x parts use a 12-bit program counter and two-level hardware stack, so deeply nested subroutines are not possible. For new designs, Microchip recommends the flash-based PIC16F54 as the modern replacement, which preserves the pinout while adding reprogrammability.

見積もり お問い合わせ
PIC16C54-XT/P - 4MHz 8-Bit OTP MCU, 768B | Microchip
PIC16C54-XT/P

PIC16C54-XT/P - 4MHz 8-Bit OTP MCU, 768B | Microchip

The Microchip Technology PIC16C54-XT/P is an EPROM/ROM-based 8-bit CMOS microcontroller operating at 4 MHz with 768 bytes (512 x 12) of One-Time-Programmable (OTP) program memory, housed in an 18-pin PDIP (P) through-hole package. It belongs to the PIC16C5x baseline family and features 25 bytes of general-purpose RAM, 12 digital I/O pins, an 8-bit real-time clock/counter (TMR0), a two-level deep hardware stack, and direct, indirect, and relative addressing modes for data and instructions. What is a baseline PIC microcontroller? A baseline PIC (Peripheral Interface Controller) microcontroller is an 8-bit Harvard-architecture RISC device in which program and data memory sit on separate buses. The 12-bit-wide instruction word yields 2:1 code compression over many competing 8-bit CISC microcontrollers of the same class, and the small instruction set keeps the silicon die and quiescent current extremely low. OTP variants are programmed once at production time and cannot be erased, which makes them ideal for high-volume, cost-sensitive embedded products where firmware is fully frozen before launch. Key features of the PIC16C54-XT/P include its 4 MHz maximum clock frequency, the XT oscillator mode that supports a standard external crystal or resonator, a wide 2.5 V to 6.25 V (or per-datasheet 2.0 V to 6.25 V) operating voltage range, low-power CMOS construction, and seven/eight special-function hardware registers for compact firmware control. The 12 I/O pins are bidirectional with individually programmable direction. The PIC16C54-XT/P uses a pipelined RISC core: every instruction executes in a single instruction cycle except for program branches, which take two cycles. The OTP program memory is accessed on a 12-bit bus, while RAM and SFRs use an 8-bit data bus. This Harvard split lets the core fetch the next opcode while completing the current instruction, giving the device its characteristic throughput-per-MHz advantage over accumulator-based 8-bit microcontrollers. Typical applications for the PIC16C54-XT/P include low-cost consumer appliances, electronic toys, simple timer/sequencer circuits, automotive body controllers, smart-card readers, IR remote-control transmitters, and replacement logic for discrete glue-logic circuits. The wide operating voltage and small footprint also make it a fit for battery-powered devices and industrial sensor interfaces. When designing with the PIC16C54-XT/P, remember that the OTP memory cannot be re-programmed in-circuit, so choose the UV-erasable PIC16C54C-04/P or flash PIC16F54-I/P for prototype iteration. Always place the bypass capacitor (typically 0.1 microfarad) as close as possible to VDD and VSS pins, and respect the oscillator start-up time when using the XT crystal mode. This page consolidates distributor pricing, verified drop-in alternatives from the PIC16C5x family, and practical design notes that complement the Microchip datasheet.

見積もり お問い合わせ