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PIC16C924-04I/L - 8-bit CMOS MCU with LCD Driver, 4MHz | Microchip
PIC16C924-04I/L

PIC16C924-04I/L - 8-bit CMOS MCU with LCD Driver, 4MHz | Microchip

The Microchip PIC16C924-04I/L is a high-performance 8-bit CMOS microcontroller with an integrated LCD driver, supplied in a 68-pin PLCC (L) package, 176 bytes of SRAM, 4K x 14-bit EPROM program memory, and 52 digital I/O lines. It executes a 14-bit instruction set at 4 MHz (200 ns instruction cycle when sourced from the 20 MHz oscillator divided by 4) and operates from a 4.5 V to 6 V supply. What is an 8-bit microcontroller with LCD driver? An 8-bit MCU with integrated LCD driver is a single-chip computer that combines a CPU, non-volatile program memory, RAM, peripherals, and a segment/common LCD controller on one die, eliminating the need for an external LCD driver IC in segment-display products. Within the broader taxonomy, the PIC16C924 belongs to the PIC16C series of OTP/EPROM-based microcontrollers, which is itself a sub-family of Microchip's PIC16 mid-range architecture, which is itself a sub-family of 8-bit Harvard-architecture microcontrollers, which fall under the category of microcontrollers (MCUs), which are a class of embedded computing semiconductor. Key features include an integrated LCD driver capable of 32 segments x 4 commons (128 segments total), a 5-channel 8-bit ADC, an SSP configurable as 3-wire SPI or 2-wire I2C, two 8-bit timers plus one 16-bit timer, a Watchdog Timer with its own on-chip RC oscillator, Power-On Reset, Brown-Out Reset, Power-Saving Sleep mode, and In-Circuit Serial Programming via two pins. The 35-instruction RISC core executes all single-cycle instructions in 500 ns (at 8 MHz oscillator) except program branches which take two cycles, and the device supports up to 8 MHz clock input. Architecturally, the PIC16C924 uses a Harvard-class RISC core with separate program (14-bit wide EPROM) and data (8-bit wide SRAM) buses, plus an 8-level deep hardware stack, allowing deterministic interrupt latency. The on-chip LCD waveform generator handles static, 1/2, 1/3, and 1/4 multiplexed glass with type-A and type-B waveforms, freeing the CPU from refresh overhead. Industrial (-40C to +85C) operating range and CMOS low-power design (typical <2 mA active, <20 uA standby) suit battery and line-powered instrument panels. Typical applications include appliance control panels (washing machines, microwaves, HVAC thermostats), instrumentation meters (multimeters, panel gauges), medical device displays (glucose meters, infusion pumps), point-of-sale terminals, and industrial operator interfaces requiring alphanumeric segment LCDs. Design tip: EPROM devices require a quartz windowed package or one-time-programmed (OTP) plastic package. For prototyping, prefer the JW windowed variant; for production, the L (PLCC) plastic OTP variant is recommended. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes not found in the original Microchip datasheet.

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PIC16C924-08/L - 8-Bit MCU w/ LCD Driver, 7KB OTP, 68-PLCC | Microchip
PIC16C924-08/L

PIC16C924-08/L - 8-Bit MCU w/ LCD Driver, 7KB OTP, 68-PLCC | Microchip

The Microchip Technology PIC16C924-08/L is an 8-bit CMOS microcontroller with an integrated LCD driver, 7KB (4K x 14) of one-time-programmable (OTP) program memory, 176 bytes of SRAM, and 52 digital I/O pins, housed in a 68-pin PLCC (J-Lead) package. It executes instructions in a 500 ns instruction cycle at 8 MHz and is part of the PIC16C9xx family of LCD-driven microcontrollers. The part suffix "/L" indicates the windowless ceramic PLCC package variant rated for industrial temperature ranges. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, RAM, and configurable I/O peripherals. The PIC16C924 sits in Microchip's PIC16 mid-range family, an 8-bit RISC architecture known for its small instruction set (only 35 single-word instructions) and deterministic timing. Adding an on-chip LCD driver makes this part a category-defining solution for embedded human-machine interfaces, eliminating the need for an external LCD controller chip and reducing BOM cost and PCB area. Key features include five channels of 8-bit Analog-to-Digital conversion (ADC), a Synchronous Serial Port configurable as either 3-wire SPI or 2-wire I2C, an integrated LCD driver capable of driving 32 segments with 4 commons (up to 128 pixel control), and capture/compare/PWM peripherals. The CMOS process provides low power consumption and high noise immunity, while the 14-bit instruction word delivers compact code density. The OTP program memory is one-time-programmable, suiting production runs where firmware is finalized and cost per unit is critical. Typical applications include industrial control panels, point-of-sale terminals, medical instrumentation with graphical readouts, automotive dashboard clusters, appliance user interfaces, and metering equipment. The 52 I/O pins and 8-bit ADC simplify sensor aggregation, while the integrated LCD driver removes the need for an external controller. When designing with the PIC16C924, ensure that OTP programming is performed before final assembly (windowless PLCC cannot be UV-erased). Confirm timing budgets against the 8 MHz oscillator and the 500 ns instruction cycle, and verify the LCD bias and contrast network against the panel datasheet. This page synthesizes distributor pricing, drop-in alternatives in the same 68-PLCC footprint, and practical design notes not found in the manufacturer datasheet.

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PIC16C924-08/PT - 8MHz 8-Bit MCU w/ LCD Driver | Microchip
PIC16C924-08/PT

PIC16C924-08/PT - 8MHz 8-Bit MCU w/ LCD Driver | Microchip

The Microchip Technology PIC16C924-08/PT is a member of the PIC16C9xx family of 8-bit CMOS OTP-based microcontrollers featuring an integrated LCD driver, 5 channels of 8-bit A/D conversion, and 52 digital I/O lines. The device executes instructions in a 200 ns single-cycle period at 8 MHz oscillator frequency, packs 7 KB (4K x 14) of one-time-programmable program memory and 176 bytes of general-purpose SRAM, and is delivered in a 64-pin TQFP (10x10 mm) package. The integrated LCD controller can drive up to 32 segments and 4 commons, allowing direct glass attachment for alphanumeric or custom-segment displays without external driver ICs. A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory, working RAM, and a mix of peripheral blocks such as timers, A/D converters, communication interfaces, and I/O. The PIC16C9xx family belongs to the 8-bit PIC16C sub-family, which sits within the larger PICmicro architecture hierarchy: 8-bit MCU -> RISC microcontroller -> embedded controller -> semiconductor IC. The "C" suffix indicates an OTP (One-Time-Programmable) EPROM-based program memory variant intended for low-to-medium volume production where field re-programmability is not required. Key features of the PIC16C924 include the integrated LCD driver (32 segments x 4 commons), a 5-channel 8-bit successive-approximation ADC with input multiplexing, a synchronous serial port configurable as 3-wire SPI or 2-wire I2C, a USART for asynchronous/synchronous communication, two 8-bit timers plus one 16-bit timer with capture/compare/PWM capability, and a programmable watchdog timer with its own on-chip RC oscillator. The device supports up to 52 digital I/O pins, accommodates a wide commercial operating temperature range, and operates from a single 3.0 V to 6.0 V supply. Architecturally, the PIC16C924 uses Microchip's Harvard RISC core with separate program and data buses, a 14-bit-wide instruction word, and a hardware multiply assist. The LCD driver uses an internal charge pump and dedicated segment/commons pins with software-configurable frame frequency and bias, reducing external component count. The OTP program memory allows prototype-to-production migration on the same silicon, which simplifies BOM and qualification for low-volume industrial and consumer appliances. Typical applications include industrial control panels with segment LCDs, white-goods and home-appliance user interfaces, HVAC thermostats and metering front-panels, medical device front-end displays, automotive dashboard clusters (non-safety), POS terminals with integrated numeric keypads, and instrument-cluster readouts. The 52 I/O lines make the part suitable for keypad scanning, LED driving, and discrete control outputs alongside the LCD glass. Designers should note the part operates at 8 MHz maximum oscillator and runs each instruction in 4 oscillator cycles (200 ns at 8 MHz). Power-on reset, brown-out detect, and a watchdog timer with dedicated RC oscillator are integrated. Use decoupling capacitors of 0.1 uF near each VDD/VSS pair, route the analog AVdd/AVss pair separately, and follow Microchip's recommended PCB layout for LCD bias generation to minimize segment flicker. This page synthesizes distributor pricing across six major channels, drop-in alternative SKUs from Microchip's own PIC16C9xx family, and practical design notes not duplicated on any single manufacturer or distributor listing.

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PIC16C924-08I/L - 8-Bit OTP MCU w/ LCD Driver | 8MHz | 68-PLCC
PIC16C924-08I/L

PIC16C924-08I/L - 8-Bit OTP MCU w/ LCD Driver | 8MHz | 68-PLCC

The Microchip PIC16C924-08I/L is an 8-bit RISC CMOS microcontroller with an integrated LCD driver, 7 KB of OTP program memory, 176 bytes of SRAM, and 52 digital I/O pins, housed in a 68-pin PLCC (JEDEC LCC) package. It executes 35 single-word instructions at an 8 MHz clock rate, achieving a 500 ns instruction cycle for branch operations, while most instructions complete in a single 4-clock cycle. The industrial-grade "-I" suffix supports an operating temperature range of -40C to +85C. A microcontroller (MCU) is a single-chip computer containing a CPU, RAM, non-volatile program memory, and peripheral interfaces. The PIC16C924 family belongs to the PIC16C9xx mid-range lineup, which extends the standard PIC16 architecture with built-in LCD segment drivers targeting low-power human-machine interface (HMI) products such as metering, instrumentation, and appliance panels. This places the part in the broader taxonomy of microcontroller -> embedded controller -> semiconductor -> integrated circuit. Key features include 4.5 V to 6.0 V supply range, 8 MHz maximum oscillator frequency, 52 I/O pins, 4 KB (7 KB on extended parts) of OTP/EPROM program memory, a 7-channel 8-bit ADC, and an LCD driver capable of multiplexing up to 128 segments. Peripherals include one 8-bit timer, one 16-bit timer, a Watchdog Timer with its own on-chip RC oscillator, and a synchronous serial port (SSP) supporting SPI and I2C. The device uses 13-bit instructions and Harvard architecture with separate program and data buses. Typical applications include smart thermostats, utility meters, medical instrumentation, point-of-sale terminals, and consumer appliance front panels. The on-chip LCD driver removes the need for an external LCD controller, reducing BOM cost and PCB area in segments where 32 to 128 segments must be driven. Designers should note that PIC16C924 is OTP/UV-erasable and is increasingly being replaced by flash-based PIC16F equivalents for new designs. Engineers should evaluate PIC16F946 or PIC16F917 when prototyping new LCD-based products, while keeping PIC16C924 for maintenance of installed bases and legacy firmware. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not aggregated on a single manufacturer datasheet.

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PIC16C924-08I/PT - 8-Bit 8MHz OTP MCU w/ LCD Driver | Microchip
PIC16C924-08I/PT

PIC16C924-08I/PT - 8-Bit 8MHz OTP MCU w/ LCD Driver | Microchip

The Microchip Technology PIC16C924-08I/PT is an 8-bit CMOS microcontroller with an integrated LCD driver module, delivering 8 MIPS performance at 8 MHz clock in a 64-pin TQFP (10x10 mm) package. The device integrates 7 KB of OTP program memory (4K x 14 words) and 176 bytes of general-purpose SRAM, with 52 digital I/O pins and five 8-bit ADC channels for mixed-signal embedded applications. An 8-bit microcontroller is a single-chip computer based on a CPU datapath of 8 bits, executing one byte per instruction cycle. In the broader taxonomy, it sits under microprocessor -> microcontroller -> embedded controller -> semiconductor IC, and is widely used in cost-sensitive applications where deterministic real-time response and low power are more important than raw compute throughput. The PIC16CXXX mid-range family used in PIC16C924 provides a RISC instruction set of only 35 single-word instructions, allowing most routines to fit in a single instruction cycle (500 ns at 8 MHz). Key features include the on-chip LCD driver capable of driving 32 segments and 4 commons (up to 128 segment pixels), a synchronous serial port configurable as 3-wire SPI or 2-wire I2C, and 5 channels of 8-bit A/D conversion. Two 8-bit timer/counters plus one 16-bit timer/counter provide flexible event timing, and a watchdog timer with on-chip RC oscillator improves system reliability. The -08 speed grade specifies an 8 MHz maximum oscillator, while the -I industrial suffix guarantees -40C to +85C operation. Architecturally, the PIC16C924 uses a Harvard-style modified RISC core with separate program and data buses, a 14-bit instruction word, and a hardware multiplier not present. Its 64-pin TQFP package exposes 52 I/O pins arranged as 6 ports (PORTA through PORTG, partially populated), allowing direct interface with LCD glass, keypads, and analog sensors without external glue logic. Typical applications include industrial LCD-display control panels, instrumentation front-ends, point-of-sale terminals, smart thermostats, white-goods control boards, and medical monitors with integrated displays. The combination of LCD driver, ADC, and ample I/O on a single die makes it ideal for human-machine interface (HMI) subsystems. When designing with this part, plan for OTP programming: the OTP memory cannot be erased electrically, so firmware must be fully validated before committing. Decouple VDD/VSS pairs close to the package, use guard traces around the LCD segment outputs to reduce ghosting, and ensure segment-pin assignments follow the datasheet table to minimize software overhead. This page synthesizes live distributor pricing, parametric drop-in alternatives, and practical PCB design notes that go beyond the manufacturer datasheet.

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PIC16C924/CL - 8MHz 8-Bit MCU w/ LCD Driver | 68-CLCC | Microchip
PIC16C924/CL

PIC16C924/CL - 8MHz 8-Bit MCU w/ LCD Driver | 68-CLCC | Microchip

The Microchip Technology PIC16C924/CL is an 8-bit CMOS OTP-based microcontroller in the PIC16C family, integrating an LCD driver module capable of driving 32 segments and 4 commons, alongside 5 channels of 8-bit Analog-to-Digital converters. It executes instructions in 500 nanoseconds at 8MHz and is offered in a 68-pin Ceramic Leaded Chip Carrier (CLCC) windowed package (24.13 × 24.13 mm) for UV-erasable development and prototyping. A microcontroller (MCU) is a single-chip computer containing a CPU, program memory (ROM/EPROM/Flash), data memory (RAM), and integrated peripherals such as timers, communication interfaces, and ADCs. The PIC16C924/CL belongs to the Mid-Range 8-bit PIC architecture hierarchy: 8-bit MCU -> PIC16 family -> PIC16C sub-family -> microcontroller -> embedded system IC. Its on-chip EPROM (7KB / 4K × 14) makes it suited for one-time-programmable commercial applications where in-system reprogrammability is not required. Key features include 176 bytes of general-purpose RAM, 25 general-purpose digital I/O pins, an integrated LCD driver, a 5-channel 8-bit ADC, and a synchronous serial port configurable as 3-wire SPI or 2-wire I2C. The 8MHz internal oscillator and 35 single-word instruction RISC core reduce code development time, while the windowed ceramic package supports UV erasure for iterative firmware development. Architecturally, the PIC16C924 uses a Harvard-style RISC pipeline with a 14-bit instruction word, enabling single-cycle execution of most instructions except branches. The integrated LCD driver with 32 segment and 4 common outputs supports up to 128-pixel LCD panels without external charge-pump circuitry, reducing BOM cost in human-machine interface designs. The 5-channel 8-bit ADC provides sensor interface capability for temperature, voltage, and process-variable monitoring. Typical applications include industrial control panels with LCD displays, electronic metering (electric/gas/water meters), medical instrumentation with LCD readouts, point-of-sale terminals, consumer appliances with segment displays, and HVAC thermostat controllers. The combination of LCD driver, ADC, and serial interface makes the PIC16C924 particularly suitable for battery-powered metering equipment. When designing with this device, note that the /CL suffix designates the Ceramic Leaded Chip Carrier with UV-transparent window - suitable for development but more expensive than plastic OTP packages. Ensure 5V (±10%) supply tolerance, place decoupling capacitors within 5mm of VDD pins, and use the MCLR pin reset circuit with the recommended 10kΩ pull-up for reliable operation. This page synthesizes distributor pricing from DigiKey, Mouser, and Hotenda, parametric comparison with drop-in alternatives in the same 68-CLCC footprint, and practical design notes covering EPROM programming, LCD bias generation, and ADC acquisition timing not explicitly listed on standard distributor product pages.

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PIC16C924T-04/PT - 8-Bit 4MHz LCD MCU 7KB OTP | Microchip
PIC16C924T-04/PT

PIC16C924T-04/PT - 8-Bit 4MHz LCD MCU 7KB OTP | Microchip

The Microchip Technology PIC16C924T-04/PT is an 8-bit CMOS microcontroller from the PIC16C family featuring an integrated LCD driver, 7KB of One-Time-Programmable (OTP) program memory (4K x 14 words), 176 bytes of RAM, and 52 digital I/O pins. The device operates at 4 MHz from a 5V supply and is housed in a 64-pin TQFP (10x10 mm) surface-mount package. The "T" suffix in the part number indicates tape-and-reel packaging, while "/PT" denotes the TQFP package code. A PIC microcontroller (Programmable Intelligent Computer) is a Harvard-architecture RISC-based 8-bit MCU widely used in embedded control. The PIC16C family specifically targets applications requiring OTP programmability, ROM-less flexibility, or ceramic-windowed erasable variants for prototyping. The PIC16C924 belongs to the LCD-driver subset, integrating a built-in LCD controller that simplifies the design of battery-powered human-machine interface products. As an 8-bit MCU it sits within the broader hierarchy of microcontroller -> embedded controller -> semiconductor device. Key features include a built-in LCD driver supporting up to 32 segments x 4 commons (128 segments total), a 5-channel 8-bit analog-to-digital converter, two 8-bit timers plus one 16-bit timer, a synchronous serial port (SSP) supporting SPI and I2C, and an asynchronous serial port (USART/SCI). The PIC16C924 also includes a watchdog timer, brown-out reset, and power-saving SLEEP mode. Operating voltage ranges from 4.0V to 6.0V with industrial temperature grades available. Architecturally, the PIC16C924 uses a 14-bit instruction word with an 8-bit data path, providing 35 single-cycle instructions at 4 MHz (250 ns instruction cycle). The integrated LCD controller supports static, 1/2, 1/3, and 1/4 multiplex modes with selectable bias and frame frequency, eliminating the need for an external LCD driver IC. The device's CMOS process delivers low power consumption suitable for portable applications. Typical applications include battery-powered metering (gas, water, electric), portable medical instruments (blood glucose meters, thermometers), consumer appliances with LCD panels (microwave ovens, washing machines), industrial control panels with segment displays, and automotive dashboard segments where aftermarket gauges are needed. The integrated LCD driver reduces BOM cost and PCB footprint in these segment-LCD applications. When designing with this device, note that OTP memory is one-time programmable - code cannot be field-updated. For development, use the PIC16C924 with a JW (windowed) package or a Flash-based equivalent such as the PIC16F946. Ensure segment-LCD bias resistors are correctly calculated for the chosen LCD multiplex rate, and add a decoupling capacitor (0.1 uF) close to VDD. This page synthesizes distributor stock data, parametric drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet alone.

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PIC16C924T-04I/L - 8-Bit 4MHz OTP MCU with LCD Driver, 68-PLCC | Microchip
PIC16C924T-04I/L

PIC16C924T-04I/L - 8-Bit 4MHz OTP MCU with LCD Driver, 68-PLCC | Microchip

The Microchip Technology PIC16C924T-04I/L is an 8-bit CMOS RISC microcontroller with integrated LCD driver, delivered in a 68-pin PLCC (J-Lead) package. It runs at 4 MHz, integrates 7 KB of OTP program memory (4K x 14), 176 bytes of RAM, and 52 digital I/O lines for direct sensor and peripheral interfacing. Tape-and-reel packaging variant designed for high-volume SMT assembly. What is an 8-bit OTP microcontroller? An 8-bit OTP (One-Time Programmable) MCU is a microcontroller whose program memory can be written only once after manufacture, making it cost-optimized for high-volume, fixed-code applications where firmware revision is unnecessary. OTP MCUs sit inside the broader 8-bit microcontroller hierarchy, alongside Flash- and ROM-based variants, and are widely used in consumer appliances, industrial controllers, metering, and display-driven human-machine interface (HMI) products. The LCD driver integration makes PIC16C924 particularly suited to systems where alphanumeric segment displays are required without external driver ICs. Key features include an 8-level hardware stack, 14-bit instruction word, Harvard architecture with separate program and data buses, on-chip LCD driver supporting up to 64 segments, 52 I/O pins, and an industrial operating temperature range of -40C to +85C. The 68-pin PLCC package supports through-hole or socket mounting, easing prototype rework and field replacement in legacy designs. The /L suffix indicates the PLCC package, while 'T' denotes tape and reel orientation, and '04I' identifies the 4 MHz industrial-temperature grade. Typical applications include industrial control panels, alphanumeric segment-LCD consumer appliances, point-of-sale terminals, instrumentation front panels, medical device displays, and automotive dashboard clusters. The integrated LCD driver eliminates the need for an external segment driver, reducing BOM cost and PCB area. When designing with this part, note that OTP memory cannot be reprogrammed in-circuit. For prototype development, consider the PIC16F926 equivalent or the PIC16C924 windowed JW variant, then transition to PIC16C924T-04I/L for production. Always verify maximum supply voltage (5.5 V) and oscillator configuration in the manufacturer datasheet. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Data sources include DigiKey, Microchip, Heisener, and MicrochipUSA.

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PIC16C924T-08/L - 8MHz 8-bit LCD MCU 7KB OTP 68-PLCC | Microchip
PIC16C924T-08/L

PIC16C924T-08/L - 8MHz 8-bit LCD MCU 7KB OTP 68-PLCC | Microchip

The Microchip PIC16C924T-08/L is an 8-bit CMOS RISC microcontroller with an integrated LCD driver, featuring 7KB (4K x 14) of One-Time Programmable (OTP) program memory and 176 bytes of SRAM, housed in a 68-pin PLCC package (24.23 x 24.23 mm). It executes at up to 8MHz with 500 ns single-cycle instruction time across only 35 single-word instructions, and integrates a 5-channel 8-bit analog-to-digital converter plus I2C and SPI connectivity. An LCD microcontroller is a specialized variant of an 8-bit MCU that adds on-chip segment drivers, charge-pump voltage generation, and bias network control to directly drive glass displays. Within the broader hierarchy it sits at: LCD MCU -> 8-bit microcontroller -> embedded microcontroller -> integrated circuit -> semiconductor. The integrated LCD subsystem eliminates the need for an external display controller, reducing BOM cost and PCB area in products that must show numeric or alphanumeric information without a graphical panel. Key features include 4K x 14 OTP program memory (7KB), 176 bytes of data RAM, 8 general-purpose registers, an integrated 5-channel 8-bit ADC, I2C and SPI serial interfaces, and a wide operating voltage range suited to battery-powered designs. The OTP memory is a one-time-programmable EPROM variant, distinguishing this family from the flash-based PIC16F9xx series. The 68-PLCC package provides easy through-hole assembly and socket compatibility for legacy industrial designs. The PIC16C924T-08/L uses Microchip's classic PIC16C RISC architecture, an enhanced Harvard design with separate program and data buses that allow instruction fetch and operand read in a single 500 ns cycle. The integrated LCD module supports common static, 1/2, 1/3, and 1/4 multiplex configurations and includes its own bias-generation resistor ladder, simplifying software-driven display updates while keeping the core CPU free for application logic. Typical applications include industrial control panels with character LCDs, appliance user interfaces, instrumentation front panels, point-of-sale terminals, and battery-powered metering devices. The combination of low-cost OTP memory and a built-in segment driver suits high-volume consumer and industrial products that have a fixed firmware image. When designing with this part, note that OTP memory cannot be reprogrammed in-circuit, so plan for prototype validation on a windowed (JW) package or a flash-based sibling such as PIC16F914 before committing to OTP volume units. Verify the maximum oscillator speed and ADC acquisition timing against your application to ensure adequate timing margin. This page synthesizes distributor pricing, drop-in alternatives drawn from the same PIC16C9xx family, and practical design notes that go beyond what is in the bare Microchip datasheet.

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PIC16C924T-08/PT - 8MHz 8-Bit OTP MCU w/ LCD Driver | Microchip | 64-TQFP
PIC16C924T-08/PT

PIC16C924T-08/PT - 8MHz 8-Bit OTP MCU w/ LCD Driver | Microchip | 64-TQFP

The Microchip Technology PIC16C924T-08/PT is an 8-bit RISC microcontroller from the PIC16C family, integrating an on-chip LCD driver, 7KB (4K x 14) of One-Time-Programmable (OTP) program memory, and a 64-pin TQFP surface-mount package measured 10x10 mm. According to the Microchip datasheet, it executes instructions in a single 500 ns cycle (except program branches, which take two cycles) at an 8 MHz oscillator frequency, and it operates from a 5V supply. What is a PIC16C microcontroller? PIC16C is a legacy OTP (One-Time-Programmable) family of 8-bit CMOS microcontrollers built on Microchip's RISC (Reduced Instruction Set Computing) architecture. Within the wider taxonomy, PIC16C is a sub-family of the PICmicro MCU family, which itself belongs to microcontrollers (MCUs) under embedded processors and finally to integrated circuits (semiconductors). These OTP parts are typically used in volume commercial products where firmware is finalized at production time. Key features of the PIC16C924T-08/PT include 33 general-purpose I/O lines, an integrated LCD driver supporting segment drive, 8-bit timer/counter modules, a Watchdog Timer, low-power SLEEP mode, and an operating speed of DC to 8 MHz. The device has 192 bytes of on-chip data RAM and an enhanced instruction set including multiplication, which together ease the implementation of user interfaces with displays. From an architectural perspective, the PIC16C924 uses Harvard architecture with separate program and data buses, 14-bit-wide instructions, and only 35 single-word instructions to learn - significantly reducing code complexity. The integrated LCD driver and segment logic allow direct connection to a glass LCD without external driver ICs, reducing BOM and PCB area in display-equipped products. Typical applications include consumer appliances with LCD readouts, white-goods control panels, instrumentation front panels, industrial operator interfaces, and any embedded product that requires a low-pin-count human-machine interface. The integrated LCD peripheral is the defining feature that makes this device attractive versus general-purpose MCUs. When designing with this part, note that OTP memory cannot be re-programmed - firmware must be fully validated before commitment. Always verify the 64-TQFP PCB footprint against the mechanical drawing in the manufacturer datasheet and add proper decoupling (100 nF plus bulk) close to VDD/AVDD pins. This page combines distributor pricing, drop-in alternatives, and design notes that complement (not duplicate) the manufacturer datasheet.

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PIC16C924T-08I/L - 8-Bit 8MHz OTP MCU w/ LCD Driver | Microchip
PIC16C924T-08I/L

PIC16C924T-08I/L - 8-Bit 8MHz OTP MCU w/ LCD Driver | Microchip

The Microchip Technology PIC16C924T-08I/L is an 8-bit CMOS OTP-based microcontroller with integrated LCD driver, delivering 8 MIPS performance from a 500 ns instruction execution cycle. Housed in a 68-pin PLCC package measuring 24.23 x 24.23 mm, it combines 7 KB (4K x 14) of on-chip EPROM program memory with a high-performance RISC CPU core. Operating from a 4V to 6V supply, it targets cost-sensitive embedded designs that need direct segment LCD support without an external driver IC. A microcontroller (MCU) is a single-chip computer containing a CPU, memory, and peripherals on one die. The PIC16C family sits within the broader 8-bit microcontroller taxonomy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. OTP (One-Time Programmable) variants like this one are programmed once at production or in-circuit by the developer and cannot be erased, which lowers unit cost relative to flash-based parts for high-volume, fixed-code products such as consumer appliances and metering. Key features include 35 single-word instructions (all single-cycle except branches), 8 general-purpose SRAM registers, an integrated LCD driver for glass-direct segment displays, and a 25-pin programmable I/O count on the PLCC package. The wide operating range of -40C to +85C (industrial grade, indicated by the -I suffix) and 8 MHz oscillator support make the device suitable for mains-powered instruments that need both human-readable displays and reliable embedded control. The PIC16C924 uses a Harvard RISC architecture with separate program and data buses, enabling instruction fetch and execute in a single cycle for most opcodes. The LCD driver block generates segment and common waveforms internally, which removes the BOM cost and PCB area of an external HT1621-class driver and simplifies the BOM to a microcontroller plus bias resistors. The 'T' suffix indicates Tape & Reel packaging; the '/L' suffix indicates the 68-PLCC form factor. Typical applications include white-goods and appliance front-panel displays, industrial control panels with integrated glass, weighing scales, water/gas meter readouts, point-of-sale terminals, and HVAC thermostats. The integrated LCD driver is the decisive feature in these uses - engineers avoid the firmware complexity and additional cost of emulating segment waveforms in software on a generic MCU. When designing with the PIC16C924, ensure the OTP programming step is integrated into your production flow, since OTP cannot be re-written and any firmware bug becomes a hardware rework. Plan bias resistor values for the target LCD glass contrast curve during schematic design, and verify in-circuit programming timing against the 8 MHz instruction rate if you use the ICSP interface. This page synthesizes distributor pricing, drop-in alternatives from the PIC16C family and Microchip flash equivalents, and practical design notes that are not collated in the manufacturer datasheet alone.

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PIC16C924T-08I/PT - 8-Bit OTP MCU, 7KB, 8MHz, 64-TQFP | Microchip
PIC16C924T-08I/PT

PIC16C924T-08I/PT - 8-Bit OTP MCU, 7KB, 8MHz, 64-TQFP | Microchip

The Microchip Technology PIC16C924T-08I/PT is an 8-bit CMOS OTP-based microcontroller from the PIC® 16C family, featuring 7KB (4K × 14) of one-time-programmable program memory, 8 MHz maximum operating frequency, and 25 programmable I/O pins housed in a 64-pin TQFP (10×10 mm) surface-mount package. The integrated LCD driver controller and 8-bit ADC make it suitable for applications requiring on-chip display and analog measurement, all in a single industrial-grade IC. A microcontroller (MCU) is a programmable integrated circuit that combines a CPU, memory (program + data), and peripherals on a single die. Within the semiconductor taxonomy, the PIC16C924 sits in the 8-bit MCU branch of the microcontroller family, which is a sub-category of microcontrollers under embedded processors. PIC microcontrollers use a RISC-based Harvard architecture that executes one instruction per cycle (except branches), delivering predictable timing suitable for real-time control. The 'C' suffix indicates one-time-programmable (OTP) EPROM program memory, distinguishing it from flash-based 'F' variants, and the OTP approach is commonly chosen for low-cost production runs of stable firmware. Key features include 192 bytes of RAM data memory, an integrated LCD driver controller with on-chip bias generation, an 8-channel 8-bit Analog-to-Digital Converter (ADC), three timers, a synchronous serial port (SSP) supporting SPI and I²C, and an industrial operating temperature range of −40°C to +85°C. The supply voltage range of 4.0V to 6.0V is matched to typical 5V system rails, and the OTP memory cell supports one-time field or factory programming. The PIC16C924T-08I/PT employs a RISC core with a 14-bit instruction word and a 35-instruction set, providing deterministic interrupt response and code density. Power management is handled through SLEEP mode with wake-up on I/O change or watchdog overflow. The integrated LCD driver supports up to 32 segments × 4 commons without external bias resistors, and the 8-bit ADC delivers conversion rates suitable for temperature, voltage, and sensor monitoring tasks. Typical applications include industrial control panels with LCD displays, medical monitoring devices requiring on-screen readouts, consumer appliance user interfaces, instrumentation with front-panel displays, point-of-sale (POS) terminals, and embedded operator-interface panels. The combination of integrated LCD, ADC, and 25 GPIO lines reduces BOM cost in display-centric embedded designs. When designing with this device, allocate sufficient PCB area for the 64-pin TQFP footprint and provide in-circuit emulation via the ICD header. The OTP memory cannot be erased, so firmware revisions require a new blank part; designers targeting development cycles should use the pin-compatible PIC16F914 or PIC16F946 flash variants. Note that the -08 speed grade denotes an 8 MHz oscillator; for higher throughput select the -04 (4 MHz) variant with corresponding in-circuit emulators. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design guidance not found in the bare manufacturer datasheet.

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PIC16C925-I/L - 8-Bit 20MHz 7KB OTP MCU LCD Driver | Microchip
PIC16C925-I/L

PIC16C925-I/L - 8-Bit 20MHz 7KB OTP MCU LCD Driver | Microchip

The Microchip Technology PIC16C925-I/L is an 8-bit CMOS OTP-based microcontroller with integrated LCD driver, 7KB (4K x 14) program memory, 176 bytes of RAM, and 52 I/O pins housed in a 68-pin PLCC (24.23x24.23 mm) package. It executes instructions in 200 nanoseconds at 20MHz and operates from a wide 2.5V to 5.5V supply voltage. The integrated LCD controller drives up to 32 segments across 4 common planes, enabling direct glass-attach human-machine interface designs without an external driver IC. An OTP-based 8-bit microcontroller is a one-time-programmable MCU that uses non-volatile EPROM/OTP memory for program storage instead of flash. OTP MCUs sit in the broader microcontroller taxonomy: microcontroller (MCU) -> 8-bit MCU -> CMOS MCU -> PIC16 family. Microchip's PIC16C family is known for its compact 35-instruction RISC-like instruction set, deterministic interrupt latency, and excellent code density, making it well-suited for cost-sensitive embedded control applications where program memory is finalized in production. The PIC16C925 integrates 5 channels of 10-bit Analog-to-Digital converters (ADC), enabling direct measurement of analog sensors without external signal conditioning. Peripherals include a 16-bit timer/counter with capture/compare/PWM (CCP), a USART module for asynchronous serial communication, an I2C/SPI synchronous serial port, and a watchdog timer for reliable operation in noisy environments. The 52 I/O pins are 5V-tolerant and configurable for digital input, output, or peripheral function multiplexing. The architecture is built on Harvard-style separated program and data buses, a 14-bit wide instruction word for compact code, and a 200ns instruction cycle (5 MIPS at 20MHz). The integrated LCD module supports static, 1/2, 1/3, and 1/4 duty cycles with user-selectable bias generation, eliminating the need for external charge-pump components in many designs. Brown-out Reset (BOR), Power-on Reset (POR), and a wide operating temperature range of -40C to +85C industrial grade ('I' suffix) provide robustness for harsh-environment deployments. Typical applications include industrial control panels with LCD readouts, medical instrumentation displays, consumer appliance user interfaces, metering equipment, and point-of-sale terminals. The combination of LCD driver, ADC, and ample I/O on a single die reduces BOM cost and PCB area for human-interface products. When designing with this device, ensure the OTP programming step is integrated into the production flow, as OTP memory cannot be reprogrammed. Decouple VDD with a 0.1uF ceramic capacitor placed within 5mm of the supply pin, and reserve pin assignments to allow in-circuit programming access if prototype iteration is required. This page synthesizes current distributor pricing, pin-compatible drop-in alternatives, and practical design notes not found in the standalone Microchip datasheet, helping engineers and buyers make informed component decisions.

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PIC16C925/CL - 8-Bit PIC MCU, 7KB EPROM, LCD Driver | Microchip
PIC16C925/CL

PIC16C925/CL - 8-Bit PIC MCU, 7KB EPROM, LCD Driver | Microchip

The Microchip PIC16C925/CL is an 8-bit RISC microcontroller from the PIC16C family, offering 4K x 14 (7KB) of one-time-programmable UV-erasable EPROM program memory, 176 bytes of data RAM, and a maximum clock frequency of 20 MHz, all housed in a 68-terminal CQCC (CL) J-lead windowed ceramic package that supports in-circuit reprogramming via UV erasure. The device integrates a 5-channel 10-bit Analog-to-Digital Converter (ADC) and a powerful LCD driver module capable of driving up to 32 segments and 4 commons, which directly removes the need for an external LCD controller in many human-machine-interface designs. Operating from a commercial temperature grade (0C to +70C) and a wide 2.5V to 5.5V supply range, the PIC16C925/CL is engineered for embedded applications that demand deterministic real-time control alongside integrated glass-display output. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and a set of on-chip peripherals into one package. In the system hierarchy, a microcontroller sits below a microprocessor (which requires external memory and peripherals) and above a basic logic controller. The PIC16C925 belongs to the PIC16C family of OTP/EPROM-based 8-bit Harvard-architecture microcontrollers; within Microchip's portfolio, PIC MCUs sit inside the broader 8-bit MCU category, which itself is a sub-class of microcontrollers alongside 16-bit PIC24/dsPIC and 32-bit PIC32 ARM Cortex-M devices. Key features that differentiate this device include its integrated LCD driver (32 segments x 4 commons = 128 pixel control), a 10-bit 5-channel ADC for sensor acquisition, and 13 interrupt sources with an 8-level hardware stack. The Harvard architecture separates program and data buses to allow simultaneous instruction fetch and operand access, yielding deterministic instruction timing of 200 ns at 20 MHz (one instruction cycle per clock). On-chip peripherals further include a USART for asynchronous/synchronous serial communication, an MSSP module supporting SPI and I2C (master/slave), two 8-bit timers plus one 16-bit timer, a Watchdog Timer with its own on-chip RC oscillator for reliable recovery, and a 4-bit wide parallel slave port for external bus expansion. The architecture is built around a 14-bit instruction word optimized for compact code density, supported by 35 single-word instructions. Brown-out Reset circuitry protects against corrupted flash operation during supply-voltage dips, while the In-Circuit Serial Programming (ICSP) interface - shared with one of the timer pins - allows firmware updates without removing the part from the board. The 68-pin CLCC J-lead windowed ceramic package exposes the silicon die to UV light through a quartz window, enabling field erasure of EPROM, an essential feature for development and low-volume production where firmware is iterated frequently. Typical applications for the PIC16C925/CL include metering and instrumentation (utility meters, industrial counters), consumer appliances requiring integrated LCD readout (microwave ovens, washing machines, thermostats), medical monitoring devices (blood pressure and glucose meters), automotive dashboard accessories, point-of-sale terminals, and remote sensor / data-acquisition nodes that need direct segment-LCD output without an external display controller. The wide operating voltage and integrated ADC also suit battery-powered portable instruments. When designing with the PIC16C925/CL, the most important trade-off is between the UV-erasable EPROM and modern Flash-based PIC successors - EPROM requires a windowed ceramic package and a UV erasure rig, which increases board cost. Engineers migrating firmware can preserve code by using the same PIC16 instruction set on newer PIC16F925 Flash parts while keeping the original board footprint, but only after verifying that the alternative's pinout matches the CLCC land pattern. This page consolidates distributor pricing, parametric data, drop-in alternatives, and practical design notes not found in a single manufacturer datasheet.

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PIC16C925T-I/PT - 8-Bit OTP MCU w/ LCD Driver, 64-TQFP | Microchip
PIC16C925T-I/PT

PIC16C925T-I/PT - 8-Bit OTP MCU w/ LCD Driver, 64-TQFP | Microchip

The Microchip Technology PIC16C925T-I/PT is an 8-bit OTP-programmable CMOS microcontroller from the PIC® 16C family, integrating a segment LCD driver and packaged in a 64-pin TQFP (10x10 mm) form factor. It executes instructions in 200 ns at a 20 MHz clock and contains 7 KB (4K x 14) of OTP program memory together with 176 x 8 bytes of general-purpose RAM. The on-chip LCD driver supports up to 32 segments x 4 commons, enabling direct glass drive for low-power human-machine interface products. A PIC microcontroller is a Harvard-architecture 8-bit RISC processor with separate program and data buses, recognized for deterministic interrupt latency, ultra-low power consumption, and a compact 35-instruction instruction set. Within Microchip's taxonomy, the PIC16C925 belongs to the mid-range PIC16 family (microcontroller -> 8-bit MCU -> embedded controller -> semiconductor IC), and the OTP variants (PIC16C-series) target volume production where firmware is finalized and code-protection is mandatory. This contrasts with the Flash-based PIC16F and PIC16LF series used in development and field-upgradable designs. Key features include an integrated 8-channel 8-bit A/D converter, a capture/compare/PWM module, a synchronous serial port (SSP) for SPI/I2C, a USART, two 8-bit timers and one 16-bit timer, a watchdog timer with its own on-chip RC oscillator, and a wide operating voltage range up to 5.5 V. Brown-out reset, power-on reset, and code protection are also integrated, reducing external component count and BOM cost for sealed-unit appliance designs. The PIC16C925T-I/PT uses Microchip's classic CMOS/EPROM technology and a fully static design, allowing clock frequencies down to DC for low-power sleep modes. The OTP program memory is one-time programmable, after which the bit pattern cannot be altered, making this part suited for high-volume production runs of mature products rather than for prototyping. Typical applications include white-goods control panels, thermostats, weighing scales, medical infusion pumps, industrial counters, gas-meter displays, and any battery- or line-powered appliance requiring an integrated segment-LCD glass drive alongside general-purpose digital I/O. When designing with this device, plan OTP programming tooling and code-protection fuse settings early in the design cycle, because code cannot be modified post-programming. The integrated LCD charge-pump can be bypassed to reduce quiescent current on line-powered systems but must be retained for battery operation below the LCD threshold voltage. This page synthesizes distributor pricing, verified cross-references, and practical design notes not found in the manufacturer datasheet alone, giving procurement and design engineers a single source for evaluation.

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PIC16C926-I/L - 8-bit 20MHz MCU 14KB OTP LCD | Microchip
PIC16C926-I/L

PIC16C926-I/L - 8-bit 20MHz MCU 14KB OTP LCD | Microchip

The Microchip Technology PIC16C926-I/L is an 8-bit CMOS OTP microcontroller in the PIC16CXXX mid-range family, integrating 14KB (8K x 14) of program memory, 336 bytes of RAM, an LCD driver module capable of driving 32 segments and 4 commons, and 5 channels of 10-bit Analog-to-Digital converters, all housed in a 68-pin PLCC package. Background: An 8-bit microcontroller (MCU) is a single-chip computer optimized for embedded control, integrating a CPU core, program memory, data RAM, and peripherals such as timers, ADCs, and communication interfaces. Within the PIC16CXXX mid-range family, the PIC16C926 occupies a specialized niche as a cost-optimized LCD-controller MCU, combining general-purpose digital I/O with an integrated segment-LCD driver, eliminating the need for an external LCD controller chip in human-machine interface designs. Key features: 20 MHz maximum clock with 200 ns instruction cycle, 14KB OTP program memory (one-time programmable, ideal for mature production), 336 bytes of RAM, 52 digital I/O pins, integrated 10-bit 5-channel ADC, integrated LCD driver supporting 32 segments x 4 commons, and synchronous serial port configurable as 3-wire SPI or 2-wire I2C. The 68-pin PLCC package provides ample pin count for the LCD segment lines and parallel I/O expansion. Technical depth: The PIC16C926 executes instructions in a single cycle (200 ns at 20 MHz) using Microchip's Harvard-architecture RISC core with 35 single-word instructions. The integrated LCD driver uses charge-pump-derived bias voltages and supports static, 1/2, 1/3, and 1/4 duty cycles, enabling glass-direct drive of character and graphic LCD modules without external voltage generation. Typical applications: industrial control panels with LCD readouts, medical instrument front panels, appliance user interfaces, metering equipment, and point-of-sale terminals. The integrated LCD driver and ADC channel count make it particularly suited to battery-powered instrumentation that displays measured values on a segmented glass. Design consideration: The OTP (one-time programmable) memory mandates that firmware be fully validated before programming; field updates are not possible. Engineers should evaluate PIC16F926 (Flash-based, pin-compatible) for prototyping or designs that may require firmware revision. This page synthesizes distributor pricing, cross-reference alternatives within the PIC16 mid-range family, and design guidance not found in the manufacturer datasheet alone.

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PIC16C926T-I/PT - 14KB OTP LCD MCU, 64-TQFP | Microchip
PIC16C926T-I/PT

PIC16C926T-I/PT - 14KB OTP LCD MCU, 64-TQFP | Microchip

The Microchip Technology PIC16C926T-I/PT is a CMOS OTP-based 8-bit PIC microcontroller with integrated LCD driver, 14KB (8K x 14) of program memory, 336 bytes of RAM, and 52 digital I/O lines, housed in a 64-pin TQFP (PT) package rated for the industrial temperature range. It executes instructions in 200 ns (5 MIPS at 20 MHz) using only 35 single-word instructions, making it well suited to cost-sensitive embedded designs that need LCD glass drive capability without external driver ICs. A PIC microcontroller is a Harvard-architecture 8-bit RISC device from Microchip's PIC16 family. PIC MCUs sit in the broader taxonomy of microcontroller -> embedded controller -> semiconductor IC, and OTP (One-Time Programmable) variants are positioned as the lowest-cost option in the family because they cannot be re-programmed after the initial fuse blow, unlike flash-based PIC16F parts. The PIC16C926 belongs to Microchip's mid-range PIC16C9xx sub-family, which adds on-chip LCD segment drive to the standard peripheral set. Key features of the PIC16C926T-I/PT include a maximum clock of 20 MHz (5 MIPS core throughput), four 8-bit timer/counters, a 10-bit multi-channel ADC, an integrated LCD driver supporting up to 4 commons and 32 segments (128 segments total), 336 bytes of data RAM, two analog comparators, a USART, and an SSP (Synchronous Serial Port) for I2C/SPI. The 64-pin TQFP package exposes 52 general-purpose I/O pins while still leaving pins dedicated to the LCD driver. Architecturally, the device uses Microchip's mid-range 14-bit instruction set, an 8-level hardware stack, and a configurable oscillator block that supports external crystal, resonator, RC, and internal oscillator modes. The OTP program memory is programmed via the standard ICSP (In-Circuit Serial Programming) interface using two pins (RB6/RB7), so even though the memory cannot be re-written, board-level firmware updates during pilot builds remain possible. Typical applications include white-goods and consumer appliances with LCD display panels (washing machines, microwave ovens, thermostats), industrial control HMIs, medical device front panels such as blood-pressure monitors and glucose meters, automotive interior accessories, point-of-sale terminals, and instrumentation requiring an on-glass display. The integrated LCD driver removes the need for an external segment driver or voltage-boost circuitry in simple mono-chrome glass designs. When designing with this device, note that OTP memory means firmware must be 100% verified before production programming, so the flash-based PIC16F926 (same peripheral set and pinout) is often preferred for development and then substituted into the PIC16C926T-I/PT for cost-down production. The 64-pin TQFP is also offered in a 68-pin PLCC variant for the same die; pin-compatible migration requires re-routing the four extra pins. This page synthesizes verified distributor pricing, drop-in same-package alternatives from the PIC16C9xx family, and practical design notes covering oscillator selection, LCD bias network sizing, and ICSP programming that are not duplicated in the manufacturer datasheet summary.

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PIC16CE623-04E/P - 4MHz 8-Bit OTP MCU, 896B, 128B EEPROM | Microchip
PIC16CE623-04E/P

PIC16CE623-04E/P - 4MHz 8-Bit OTP MCU, 896B, 128B EEPROM | Microchip

The Microchip Technology PIC16CE623-04E/P is an 8-bit PIC microcontroller from the PIC16C family, integrating 896 bytes of One-Time Programmable (OTP) program memory, 96 bytes of SRAM, and 128 bytes of EEPROM data memory in an 18-pin PDIP through-hole package. Operating from a 3V to 5.5V supply at 4MHz, this automotive-temperature-grade (E suffix) part delivers deterministic single-cycle instruction execution at 200 ns instruction cycles. An 8-bit microcontroller (MCU) is a self-contained single-chip computer that integrates a CPU, program memory (ROM/Flash/OTP), data memory (RAM), non-volatile data memory (EEPROM), and configurable digital I/O peripherals on a single die. In the broader semiconductor taxonomy, the PIC16CE623 belongs to the microcontroller (MCU) family, which itself is a sub-class of microcomputer -> embedded processor -> integrated circuit. The PIC architecture follows a Harvard RISC model with separated program and data buses, enabling simultaneous instruction fetch and operand access. Key features include 13 bidirectional digital I/O pins, an integrated EEPROM data area for non-volatile parameter storage (calibration, serial numbers, configuration), a hardware timer/counter subsystem, and the standard PIC mid-range peripheral set (interrupt controller, watchdog timer, sleep mode for power savings). The '04' speed suffix specifies 4MHz maximum clock input, and the 'E' industrial/automotive temperature grade extends operation across -40C to +125C, qualifying the part for harsh-environment and automotive under-hood deployments. Architecturally, the PIC16CE623 implements a 14-bit instruction word for compact code density and uses 35 single-word instructions plus 200 ns single-cycle execution (except branches, which are 2-cycle). Its CMOS process delivers low quiescent current suitable for battery-backed and sleep-mode applications. The integrated 128-byte EEPROM is byte-erasable and rated for >1M erase/write cycles, providing on-chip non-volatile storage that would otherwise require an external serial EEPROM. Typical applications include automotive body and chassis controllers, appliance control boards, industrial sensor signal conditioning front-ends, low-cost remote-control transmitters, simple closed-loop regulators, and consumer white goods. The 18-pin PDIP package is preferred for hobby, prototyping, educational, and legacy industrial designs because it is socketable, hand-solderable, and breadboard-friendly. The '04E/P' suffix designates 4MHz max clock, automotive temperature grade, and PDIP through-hole package. When designing with this part, note that OTP memory cannot be re-programmed - firmware must be fully validated before committing. Designers migrating to a flash-based variant (e.g., PIC16F627A) gain re-programmability while retaining pin compatibility. The 18-pin PDIP footprint matches other PIC16C6x/62x/84/84A devices, easing PCB layout reuse. Decoupling: place a 100 nF ceramic capacitor as close as possible to the VDD pin and a 10 uF bulk capacitor near the IC supply trace. This page synthesizes distributor pricing, drop-in same-package alternatives, an 18-pin PDIP pinout reference, and practical design notes for the PIC16CE623-04E/P - content not consolidated on the manufacturer datasheet alone.

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PIC16CE623-04I/P - 4MHz 8-Bit OTP MCU, 18-PDIP | Microchip
PIC16CE623-04I/P

PIC16CE623-04I/P - 4MHz 8-Bit OTP MCU, 18-PDIP | Microchip

The Microchip Technology PIC16CE623-04I/P is an 8-bit CMOS microcontroller from the PIC16C family, operating at 4 MHz with 896B (512 x 14) of One-Time-Programmable (OTP) program memory and integrated EEPROM data memory, housed in a 18-pin PDIP (0.300 inch) through-hole package. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, working RAM, EEPROM/Flash data memory, and programmable I/O peripherals. Within the broader semiconductor taxonomy, an MCU belongs to the microcontrollers category, then to integrated circuits, then to semiconductors. The "C" suffix in PIC16CE623 indicates the EPROM/OTP program-memory process node used in mid-1990s PIC designs; the "E" designates on-chip EEPROM data memory; the "623" indicates a specific peripheral mix (capture/compare/PWM, comparator, voltage reference) within the PIC16C6xx family. Key features include a 35-instruction RISC architecture with 200 ns single-cycle execution (except 2-cycle branches), 96 bytes of RAM, 13 digital I/O pins, an internal 4 MHz RC oscillator option plus external crystal support, and a 3.0 V to 5.5 V single-supply operating range. The device draws typically < 2 mA active at 5 V / 4 MHz and supports a power-saving SLEEP mode. Brown-out reset (BOR), watchdog timer (WDT), and an 8-bit timer/counter with prescaler provide robust embedded control. Technically, the PIC16CE623-04I/P uses a 14-bit instruction word Harvard architecture with separate code and data buses, allowing simultaneous instruction fetch and data access. The integrated EEPROM (16 bytes typical) provides non-volatile storage for user data without external components. The "04" speed suffix specifies 4 MHz maximum oscillator frequency, and the "I" industrial temperature grade extends operation from -40 C to +85 C. Typical applications include low-cost consumer appliances, IR remote controls, sensor interface boards, battery-powered instrumentation, small motor control, and legacy industrial controllers. Designers choose this part when a simple 8-bit controller with non-volatile parameter storage is needed at minimum BOM cost. When designing with this device, reserve the OTP window: because program memory is one-time-programmable, firmware must be fully validated in-circuit-emulation or windowed-EPROM equivalents (PIC16CR623) before committing to production OTP parts. For new designs, Microchip recommends the pin-compatible PIC16F627A-I/P Flash-based successor. This page synthesizes distributor pricing, package-pinned drop-in alternatives, and practical design guidance not consolidated in the manufacturer datasheet.

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PIC16CE623-04I/SO - 8-bit OTP MCU 896B | 13 I/O | SOIC-18
PIC16CE623-04I/SO

PIC16CE623-04I/SO - 8-bit OTP MCU 896B | 13 I/O | SOIC-18

The Microchip Technology PIC16CE623-04I/SO is an 8-bit CMOS EPROM-based microcontroller that packs Microchip's powerful PIC architecture into an 18-pin SOIC package. It features 896 bytes of OTP program memory, 96 bytes of RAM, 128 bytes of EEPROM data memory, and 13 digital I/O pins, operating from a 20 MHz clock input (4 MHz internal) with a 200 ns instruction cycle. The "-04" speed designation indicates a 4 MHz oscillator option, while "I" denotes the industrial temperature grade of -40C to +85C. A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory, RAM, and configurable peripherals on a single die. The PIC16CE62X family belongs to the mid-range PICmicro lineage, sitting between the baseline 8-bit PIC10/12/16 families and the enhanced 16-bit dsPIC/PIC24 architectures. Compared with discrete logic, an MCU reduces BOM count and PCB area by replacing timers, counters, glue logic, and communication glue with on-chip peripherals. The PIC16CE623 specifically adds EEPROM data memory, allowing non-volatile storage of calibration constants, configuration data, and user-set parameters without external serial EEPROMs. Key features include 35 single-word instructions (most executed in one instruction cycle, two for program branches), a programmable watchdog timer with on-chip RC oscillator, an internal 4 MHz oscillator option, and a 5-channel 8-bit analog-to-digital converter (ADC) on related family members. The PIC16CE623 also includes two analog comparators and a programmable voltage reference, enabling on-board signal conditioning. With 13 bidirectional I/O pins capable of sourcing/sinking 25 mA per pin, the device can directly drive LEDs, relays, and small solenoids. The device is fabricated in CMOS technology with EPROM program storage and integrated EEPROM data, powered from a single 2.5V to 5.5V supply. It is offered in industrial temperature grade, making it suitable for harsh-environment embedded designs. Per Microchip documentation, all PIC16CE62X parts share the same instruction set and core peripherals, simplifying code migration within the family. Typical applications include appliance controls, sensor signal conditioning, security and access control panels, low-end remote controls, automotive body electronics subsystems, and small industrial timers and counters. The combination of EPROM, EEPROM, comparators, and 13 I/O makes it well-suited to designs that need analog threshold detection plus logic control in one chip. When designing with PIC16CE623-04I/SO, note that OTP (One-Time-Programmable) memory cannot be erased, so firmware bugs require device replacement. For prototype development, the pin-compatible PIC16F62X Flash-based family (e.g., PIC16F627A) provides in-circuit reprogrammability on the same 18-pin SOIC footprint. This page synthesizes distributor pricing, drop-in alternatives, comparison data, and design notes not found in a single manufacturer datasheet view, helping engineers evaluate replacement options and board-level trade-offs.

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PIC16CE623-04I/SS - 8-Bit OTP MCU 4MHz 896B | Microchip
PIC16CE623-04I/SS

PIC16CE623-04I/SS - 8-Bit OTP MCU 4MHz 896B | Microchip

The Microchip PIC16CE623-04I/SS is an 8-bit RISC microcontroller from the PIC16C family with 896 bytes of one-time-programmable (OTP) program memory, 128 bytes of EEPROM data memory, and 96 bytes of RAM, packaged in a 20-pin SSOP (0.209 inch / 5.30mm width) for surface-mount designs. It executes instructions at 4 MHz from a 4 MHz internal oscillator, supporting industrial temperature range operation from -40C to +85C at 2.5V to 5.5V supply. The device exposes 13 general-purpose I/O pins, a 5-channel 8-bit ADC, and on-chip EEPROM that makes it suitable for applications requiring non-volatile parameter storage. A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory, data memory, and configurable peripherals on a single die, allowing designers to embed intelligence in any electronic product. The PIC16CE62X family belongs to Microchip's mid-range 8-bit RISC architecture and sits inside the broader category of microcontrollers, embedded controllers, and finally integrated circuits. Within the product hierarchy, this part is a one-time-programmable (OTP) variant that uses EPROM technology for program storage combined with a separate EEPROM array for user data, a pattern Microchip uses to differentiate reprogrammable (FLASH) and OTP/EPROM members of the same pin-compatible family. Key specifications include 4 MHz maximum clock, 13 I/O lines multiplexed with ADC inputs, a hardware USART/SCI port on higher pin-count variants, two 8-bit timers plus one 16-bit timer, a 5-channel 8-bit analog-to-digital converter, and an internal EEPROM rated at 1 million erase/write cycles typical. The device draws approximately 2 mA active at 5V/4MHz and falls to a few microamps in sleep mode, making it well-suited for line-powered or battery-tolerant industrial controls. The SSOP-20 footprint is JEDEC-standard and shared with many PIC16C/16F siblings, simplifying PCB reuse. The architecture uses a Harvard design with separate program and data buses and a 14-bit instruction word, executing most instructions in a single clock cycle for a throughput of about 4 MIPS at 4 MHz. Peripherals are accessed through a memory-mapped SFR block. Brown-out reset, power-on reset, watchdog timer with on-chip RC oscillator, and code protection are all integrated. Compared with newer PIC16F1xxx parts that share the SSOP-20 footprint, the PIC16CE623 retains its position where OTP, lower cost, and proven legacy code bases are valued over in-application reprogrammability. Typical applications include appliance control boards, security panel keypads, low-end remote controls, sensor signal conditioners with on-chip EEPROM calibration storage, and industrial instrumentation that requires digital I/O and a small ADC. The on-chip EEPROM makes this part attractive for designs where manufacturing calibration data or user preferences must persist across power cycles. The wide operating voltage and industrial temperature range also suit HVAC controllers, smart metering peripherals, and 4-20 mA loop-powered sensor nodes. When designing with this part, ensure your programmer supports OTP/EPROM devices, since the program memory cannot be erased and rewritten once blown. For prototyping or field-updatable firmware, consider the FLASH-based PIC16F628 or PIC16F648A in the same SSOP-20 footprint as development parts, then move to PIC16CE623-04I/SS for volume production where the per-unit cost benefit of OTP outweighs in-system reprogrammability.

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PIC16CE623-20/P - 8-bit OTP MCU, 20MHz, 896B | Microchip
PIC16CE623-20/P

PIC16CE623-20/P - 8-bit OTP MCU, 20MHz, 896B | Microchip

The Microchip Technology PIC16CE623-20/P is an 8-bit CMOS OTP (One-Time Programmable) RISC microcontroller in a 18-pin PDIP (through-hole) package, with 20MHz maximum clock input delivering 200ns instruction cycle (except program branches which are two-cycle). It integrates 896 bytes of program memory (512 x 14-bit words), 96 bytes of data RAM, and 128 bytes of EEPROM data memory, plus 13 digital I/O pins arranged across PORTA (5 bits) and PORTB (8 bits). An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory, I/O peripherals and timers on one die. Within the broader taxonomy, the PIC16CE623 belongs to the 8-bit MCU -> RISC MCU -> PIC16 family -> embedded controller hierarchy. The 'CE' suffix indicates the on-chip EEPROM data memory variant of Microchip's mid-range PIC16C6xx family, which targets applications requiring small, deterministic, low-cost control with non-volatile user data storage. Key features include 35 single-word instructions, four interrupt sources, a Watchdog Timer with on-chip RC oscillator, programmable code protection, an 8-bit Timer0 with 8-bit programmable prescaler, an 8-bit Timer1 with external crystal, and a wide operating voltage range of 3.0V to 5.5V. The OTP program memory allows factory or field programming, while the integrated EEPROM provides 1M erase/write cycle endurance and >40-year retention for parameter storage. Architecturally, the PIC16CE623 uses a Harvard-style separate code/data bus design with a 14-bit instruction word. The RISC pipeline fetches and executes one instruction per cycle, and the device supports in-circuit serial programming (ICSP) via RB6/RB7. Power-down (SLEEP) mode and selectable oscillator options (RC, XT, HS, LP) make it adaptable to cost-sensitive or battery-aware designs. Typical applications include consumer appliance control, low-end remote controls, sensor signal conditioning, automotive body electronics (non-safety), battery chargers, and small industrial controllers. Its 13 GPIO and integrated EEPROM suit it for products that need persistent calibration data without an external memory chip. When designing with this part, choose the oscillator mode (RC/XT/HS/LP) based on EMI, accuracy, and power budget. Leave MCLR either tied to VDD through a 10k resistor or routed to a reset supervisor for production reliability. For new designs, consider the pin-compatible Flash-based PIC16F627A as a future-proof drop-in. This page synthesizes distributor pricing, same-brand drop-in alternatives, and engineering guidance drawn from Microchip's datasheet and PICmicro mid-range reference manual - context not always present on the manufacturer product page.

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PIC16CE623-20/SO - 8-bit OTP MCU, 20MHz, 896B | Microchip
PIC16CE623-20/SO

PIC16CE623-20/SO - 8-bit OTP MCU, 20MHz, 896B | Microchip

The Microchip Technology PIC16CE623-20/SO is an 8-bit CMOS OTP-based microcontroller from the PIC16C family, delivering 20 MHz CPU clock and 133 ns instruction cycle time in an 18-pin SOIC (7.50 mm width) package. The device integrates 896 bytes of OTP program memory (organized as 512 × 14 bits), 96 bytes of data RAM, and 128 bytes of EEPROM data memory, with 13 general-purpose I/O pins supporting external interrupts. Operating from a 3.0 V to 5.5 V supply across a 0 °C to +70 °C commercial temperature range, it includes on-chip peripherals such as Brown-out Detect (BOD), Power-on Reset (POR), and a Watchdog Timer (WDT). A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, RAM, and peripherals such as timers, I/O, and serial interfaces. The PIC16CE623 belongs to the OTP sub-family of the PIC16C mid-range family — the broader PICmicro taxonomy proceeds from PIC10/12/16/18 8-bit MCUs up to PIC24/dsPIC 16-bit and PIC32 32-bit families within Microchip's semiconductor portfolio. OTP means One-Time-Programmable: the program memory can be written only once after manufacture, suiting low-cost, fixed-function production firmware. Key differentiating specifications include: 35 single-word RISC instructions, single-cycle execution except for two-cycle branches, a programmable code protection bit, and an external oscillator interface supporting crystal, resonator, or RC modes. The 14-bit instruction word width is unique to the PIC16C mid-range family, distinguishing it from baseline (12-bit) and enhanced (16-bit) PIC cores. Architecturally, the device uses a Harvard memory layout with separate program and data buses, a 7-level hardware stack, and four oscillator configuration options selected by configuration fuse bits. The integrated EEPROM block supports byte-level in-application write cycles, enabling storage of calibration, configuration, or usage-tracking data that survives power cycles — a feature uncommon in pure-OTP MCUs of this generation. Typical applications include low-cost consumer appliances, sensor interface modules, automotive body electronics (non-safety), HVAC fan/thermostat controls, and educational/developer platforms where the PIC16C architecture's simplicity and broad tool-chain support (MPLAB X IDE, PICSTART+, MPLAB PM3) shorten design cycles. A primary design consideration is the OTP memory constraint: firmware revisions require a new silicon lot, so production firmware must be fully validated before mask-programming. The 18-SOIC pinout is shared with other PIC16C6x family members, enabling footprint reuse across variants. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the standalone Microchip datasheet.

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PIC16CE623-20/SS - 8-Bit OTP MCU, 896B EPROM, 128B EEPROM | Microchip
PIC16CE623-20/SS

PIC16CE623-20/SS - 8-Bit OTP MCU, 896B EPROM, 128B EEPROM | Microchip

The Microchip Technology PIC16CE623-20/SS is an 8-bit CMOS OTP (One-Time Programmable) RISC microcontroller with integrated EEPROM data memory, packaged in a 20-pin SSOP (Shrink Small Outline Package) with commercial temperature grade. It operates from a 3.0V to 5.5V supply, integrates 896 bytes of EPROM program memory (organized as 512 x 14-bit words) and 128 bytes of non-volatile EEPROM data memory, and runs at a maximum clock of 20 MHz delivering 200 ns instruction cycle time. The device provides 96 bytes of general-purpose SRAM, 13 digital I/O pins, one 8-bit timer/counter (TMR0), one 16-bit timer/counter (TMR1) with capture/compare/PWM capability, an internal 4 MHz RC oscillator, an analog comparator, and a Watchdog Timer with its own on-chip RC oscillator for reliable reset behavior. A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, I/O peripherals, and timers on one silicon die. PIC microcontrollers use a modified Harvard architecture with separate program and data buses, enabling single-cycle instruction execution except for program branches which require two cycles. The PIC16CE62X family sits in Microchip's mid-range 14-bit instruction word category, offering 35 single-word instructions, predictable execution timing, and EEPROM data memory that survives power cycling - a key advantage over plain SRAM-based MCUs for storing calibration constants and user settings without an external EEPROM chip. Key differentiating features of the PIC16CE623-20/SS include its on-chip 128-byte EEPROM (versus external EEPROM alternatives requiring an additional component and PCB area), its in-circuit serial programming (ICSP) capability via the RB6/RB7 pins, the dedicated analog comparator with programmable reference, and the dual-oscillator design (crystal/HS mode plus internal 4 MHz RC) that allows operation without external clock components. The SSOP-20 footprint supports high-density PCB layouts while remaining hand-solderable for prototyping. Typical applications for this device include low-cost consumer appliances, IR remote controls, sensor signal conditioning with the on-chip comparator, small motor control loops using PWM, security keypad controllers, and battery-powered instruments that benefit from the EEPROM-backed settings storage. The 200 ns instruction cycle supports simple closed-loop control loops at typical sensor bandwidths. When designing with the PIC16CE623-20/SS, verify that your chosen compiler (MPLAB XC8 or legacy HI-TECH PICC) supports the CE62X device header, and provide proper ICSP connections (RB6/RB7/VDD/VSS/MCLR) for production programming. The device is OTP, so code is committed at final programming - development should be performed on the pin-compatible PIC16F62X Flash variant (e.g., PIC16F627) which allows code iteration before locking in the OTP part for cost-sensitive volume production.

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