PIC16C56-XTE/SO - 8-bit OTP MCU, 1.5KB EPROM, SOIC-18 | Microchip
부품 번호: PIC16C56-XTE/SO ✗ 단종| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $2.41 | $2.41 |
| 10 | $2.55 | $25.50 |
| 100 | $2.7 | $270.00 |
| 500 | $2.85 | $1,425.00 |
| 1,000 | $3.12 | $3,120.00 |
PIC16C56-XTE/SO 개요
The PIC16C5X family is a low-cost, high-performance line of RISC microcontrollers. RISC (Reduced Instruction Set Computer) architectures use a small, fixed-length instruction set that executes in a single clock cycle, enabling higher code density and faster deterministic response than CISC designs. In the PIC16C5X hierarchy the device sits above the PIC16C54 and below the PIC16C57/PIC16C58 family members, and serves as the foundation for the entire PICmicro baseline architecture that introduced Harvard separation of program and data memory to the 8-bit microcontroller market.
Key features include 1.5 KB of one-time-programmable (OTP) EPROM program memory, 25 bytes of RAM, 12 I/O pins with individual direction control, a watchdog timer with its own on-chip RC oscillator, an 8-bit real-time timer/counter, and power-saving SLEEP mode. The device operates from 3.0 V to 6.0 V, supports oscillator frequencies up to 4 MHz at 5 V (10 MHz at the higher voltage grade), and provides an internal power-on reset circuit. The XT suffix designates a standard quartz-crystal oscillator option; the /SO suffix designates the 18-pin SOIC wide-body package.
Architecturally, the PIC16C56-XTE/SO employs a Harvard architecture with separate program and data buses, allowing instruction fetch to occur in parallel with operand read/write. The 12-bit instruction word yields 2:1 code compression compared with competing 8-bit controllers, and the 33-instruction instruction set produces highly symmetric assembly code. An 8-level hardware stack supports subroutine nesting and interrupt context saving.
Typical applications include low-cost consumer appliances, automotive subsystems (body controllers, sensor interfaces), industrial control, smart-card and security peripherals, simple sensor signal conditioning, and battery-powered embedded products where the low-cost OTP EPROM and minimal external component count are decisive. The wide operating voltage range (3.0 V to 6.0 V) also suits 5 V regulated rails and 3.3 V battery stacks.
Design consideration: Because the PIC16C56 uses one-time-programmable EPROM, code cannot be erased in-circuit. For development, designers should use a windowed ceramic package (JW) variant or migrate to the Flash-based PIC16F5X family when code revisions are anticipated.
This page synthesizes distributor pricing, pin-compatible alternatives, and practical design notes drawn from Microchip PIC16C5X datasheets and reference documentation not consolidated on the manufacturer product page.
드롭인 대체품: PIC16C56-XTE/SO — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC16C56-XTE/SO (동일 폼 팩터 및 풋프린트) — 차이점: Package, Operating Temperature, Oscillator Type, Program Memory Size, Program Memory Type.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC16C56-XT/SO
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC16C56-RCE/SO
✅ 드롭인✓ 재고 있음
$1.85 / 개
데이터시트 보기 →PIC16C56-LPE/SO
✅ 드롭인✓ 재고 있음
$2.18 / 개
데이터시트 보기 →PIC16C56T-XTE/SO
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC16C56-HSI/SO
✅ 드롭인✓ 재고 있음
$1.83 / 개
데이터시트 보기 →PIC16C56T-10E/SO
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC16C56-RCI/SO
✅ 드롭인✓ 재고 있음
$0.99 / 개
데이터시트 보기 →PIC16C56-XTE/SO 최대 정격 & 전기적 특성
| Family | PIC16C5X (PIC16C56) |
| Core | 8-bit RISC (PIC Harvard architecture) |
| Program Memory Type | OTP EPROM (one-time programmable) |
| Program Memory Size | 1 KB (1.5 KB per datasheet prefix variations) |
| RAM | 25 bytes |
| I/O Pins | 12 |
| Instruction Set | 33 single-word, single-cycle instructions, 12-bit wide |
| Maximum Frequency | 4 MHz |
| Operating Voltage | 3.0 V to 6.0 V (3.3 V / 5 V typical) |
| Oscillator Type | XT (external crystal/ceramic resonator) |
| 패키지 | SOIC-18 (SO, 300-mil wide body) |
| 실장 유형 | Surface Mount |
| 동작 온도 | -40 C to +125 C (Ext Temp / -E suffix) |
| Timers | 8-bit timer/counter plus watchdog timer |
| Stack Levels | 8-level hardware stack |
| Peripherals | POR (power-on reset), SLEEP mode, watchdog timer |
| Tube Quantity | 42 per tube |
| RoHS 상태 | Compliant |
PIC16C56-XTE/SO 핀 구성
| 핀 1 | MCLR/VPP — Master clear (reset) input / programming voltage |
| 핀 2 | RA0 — Digital I/O port A bit 0 |
| 핀 3 | RA1 — Digital I/O port A bit 1 |
| 핀 4 | RA2 — Digital I/O port A bit 2 |
| 핀 5 | RA3 — Digital I/O port A bit 3 |
| 핀 6 | RB0 — Digital I/O port B bit 0 |
| 핀 7 | RB1 — Digital I/O port B bit 1 |
| 핀 8 | RB2 — Digital I/O port B bit 2 |
| 핀 9 | OSC1 — Oscillator input (XT crystal) |
| 핀 10 | OSC2 — Oscillator output (XT crystal) |
| 핀 11 | RC0 — Digital I/O port C bit 0 |
| 핀 12 | RC1 — Digital I/O port C bit 1 |
| 핀 13 | RC2 — Digital I/O port C bit 2 |
| 핀 14 | VSS — Ground reference |
| 핀 15 | RC3 — Digital I/O port C bit 3 |
| 핀 16 | RC4 — Digital I/O port C bit 4 / T0CKI |
| 핀 17 | VDD — Positive supply voltage |
| 핀 18 | RC5 — Digital I/O port C bit 5 |
일반적인 애플리케이션
PIC16C56-XTE/SO 적합 용도: 6 애플리케이션s: Consumer Appliance Control, Automotive Body and Sensor Modules, Industrial Control and Sensor Interface, Security and Access Control Peripherals, Battery-Powered Embedded Products, Simple LED Display and Driver Modules.
Consumer Appliance Control
The PIC16C56-XTE/SO fits consumer appliance controllers because its 1.5 KB OTP EPROM, 25 bytes RAM, and 33 single-cycle instructions comfortably handle fixed-state-machine logic for washing machines, microwave user interfaces, and coffee makers. The 12 digital I/O pins drive relay coils, segment LEDs, keypads, and indicator lamps directly, while the 3.0 V to 6.0 V supply range accepts both 5 V regulator outputs and rectified mains-derived DC rails typical in appliance power supplies. The -40 C to +125 C extended temperature range ensures reliable operation across kitchen and laundry environments where ambient temperature swings are common.
추천
Automotive Body and Sensor Modules
The PIC16C56-XTE/SO is suitable for automotive body controllers, seat-position sensors, and door-module logic thanks to its -40 C to +125 C extended temperature range and 12 I/O lines that interface with Hall sensors, micro-switches, and low-side relay drivers. The 4 MHz RISC core executes simple debouncing, pulse counting, and PWM-style control loops within deterministic cycle budgets. Its 3.0 V to 6.0 V supply tolerates automotive 12 V battery rails after regulator orbs. Designers should note this part is NRND and validate AEC-Q100 requirements against newer PIC16F1X family members for new automotive programs.
추천
Industrial Control and Sensor Interface
The PIC16C56-XTE/SO serves industrial sensor interface boards where its RISC core reads switches, encoders, and 4-20 mA loop-conditioned analog inputs via external A/D, performs calibration logic, and drives LED bar-graph displays. The 33-instruction set produces compact assembly code for high-density fixed-function logic, and the OTP EPROM yields low per-unit cost in volume OEM deployments. The 3.0 V to 6.0 V supply accepts 24 V industrial rails after regulator orbs, while the extended temperature range tolerates factory-floor thermal stress.
추천
Security and Access Control Peripherals
The PIC16C56-XTE/SO fits low-cost security peripherals such as RFID tag readers, magnetic-stripe decoders, and keypad access controllers because its compact code density, deterministic single-cycle instruction timing, and 25-byte RAM support fast interrupt response for protocol bit-banging. Its 12 I/O lines drive piezo buzzers, status LEDs, and Wiegand outputs directly. The OTP EPROM prevents firmware extraction by end users, providing a measure of code confidentiality for cost-sensitive security products.
추천
Battery-Powered Embedded Products
The PIC16C56-XTE/SO is suitable for battery-powered remote controls, wireless sensor nodes, and portable measurement instruments because its SLEEP mode and on-chip watchdog timer minimize quiescent current, while the 3.0 V minimum supply accepts 3.3 V lithium battery stacks directly. The XT oscillator option with 32.768 kHz crystals enables sub-microamp sleep currents for long-life deployments. The 33-instruction RISC core and small RAM footprint allow the device to wake, sample, and transmit within tight energy budgets.
추천
Simple LED Display and Driver Modules
The PIC16C56-XTE/SO drives 7-segment LED displays, dot-matrix panels, and Charlieplexed indicator arrays because its 12 I/O pins source enough current for multiplexed LED scanning without external drivers. The 4 MHz core sustains refresh rates above 100 Hz to eliminate visible flicker, and the 25-byte RAM stores display buffers and segment lookup tables. The wide 3.0 V to 6.0 V supply accepts both battery and regulator-derived rails typical in instrumentation front panels.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC16C56-XTE/SO — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC16C56-XT/SO | PIC16C56-RCE/SO | PIC16C56-LPE/SO | PIC16C56T-XTE/SO | PIC16C56-HSI/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SOIC-18 (300-mil) | SOIC-18 (300-mil) - same | SOIC-18 (300-mil) - same | SOIC-18 (300-mil) - same | SOIC-18 (300-mil) - same | SOIC-18 (300-mil) - same |
| Program Memory | 1.5 KB OTP EPROM | 1.5 KB OTP EPROM | 1.5 KB OTP EPROM | 1.5 KB OTP EPROM | 1.5 KB OTP EPROM | 1.5 KB OTP EPROM |
| RAM | 25 bytes | 25 bytes | 25 bytes | 25 bytes | 25 bytes | 25 bytes |
| I/O Pins | 12 | 12 | 12 | 12 | 12 | 12 |
| Maximum Frequency | 4 MHz (XT) | 4 MHz (XT) | 4 MHz (RC) | 4 MHz (LP, low-power crystal) | 4 MHz (XT) | 20 MHz (HS, high-speed) |
| Operating Temperature | -40 C to +125 C (E = Extended) | 0 C to +70 C (Commercial) | -40 C to +125 C (Extended) | -40 C to +125 C (Extended) | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial, I suffix) |
| Operating Voltage | 3.0 V to 6.0 V | 3.0 V to 6.0 V | 3.0 V to 6.0 V | 2.5 V to 6.0 V (LP variant) | 3.0 V to 6.0 V | 4.5 V to 5.5 V (HS variant) |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND | NRND |
주요 차별점
- Extended -40 C to +125 C operating temperature range (vs PIC16C56-XT/SO)
- Standard XT quartz-crystal oscillator compatibility (vs PIC16C56-RCE/SO)
- Tube packaging for low-volume and prototyping (vs PIC16C56T-XTE/SO)
설계 노트
The PIC16C56-XTE/SO requires a stable Vdd supply in the 3.0 V to 6.0 V range with bulk decoupling of 10 uF tantalum or aluminum and a 0.1 uF ceramic placed within 5 mm of the Vdd pin. The MCLR pin must be pulled up to Vdd through a 10 kohm resistor and may include a 100 nF capacitor to ground for noise immunity. Add a series resistor (approximately 100 ohm) in the MCLR line if the device is exposed to ESD or transient events, to prevent in-circuit programming contention.
Route the crystal traces between OSC1 (pin 9) and OSC2 (pin 10) as short as possible, ideally under 5 mm, with a ground guard ring to minimize EMI coupling. Place the load capacitors (typically 15-33 pF) directly at the MCU pins. Keep high-current switching traces away from the oscillator loop to prevent jitter. The 18-pin SOIC (300-mil) package provides ample ground on pin 14, which should tie to a low-impedance ground plane to dissipate the 12 I/O driver return currents.
Because the PIC16C56-XTE/SO uses OTP EPROM, code cannot be erased in-circuit. Always prototype with a windowed JW package or a Flash-based PIC16F5X family device before committing to a production OTP build. Verify programming voltage timing against the Microchip PIC16C5X programming specification; under-voltage may partially program the array and produce unreliable operation. Watchdog timer disable via CONFIG fuse is recommended for code development but mandatory for production to recover from oscillator stalls.
규정 준수 정보
RoHS and lead-free compliant per JLCPCB product listing. AEC-Q100 qualification not stated; consult Microchip automotive-grade datasheet for validated variants. NRND lifecycle status as of 2026-09-17.
