PIC16LC715T-04I/SS - 3.5KB OTP MCU 4MHz 20-SSOP | Microchip
部品番号: PIC16LC715T-04I/SS ✗ 生産終了| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $3.97 | $3.97 |
| 10 | $3.58 | $35.80 |
| 100 | $3.21 | $321.00 |
| 500 | $2.84 | $1,420.00 |
| 1,000 | $2.49 | $2,490.00 |
PIC16LC715T-04I/SS 概要
An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU core, program memory, working RAM, and configurable peripherals on a single silicon die. Within the broader taxonomy, the PIC16LC715 belongs to the 8-bit MCU class -> RISC microcontroller -> embedded controller -> semiconductor IC hierarchy. Microchip's mid-range PIC16 architecture uses a 14-bit instruction word and an 8-level-deep hardware stack, which provides deterministic real-time response well-suited to control loops and bit-banged protocols.
Key features of the PIC16LC715T-04I/SS include its integrated ADC, three timer/counter peripherals (Timer0 8-bit, Timer1 16-bit with sleep-mode crystal increment capability, and Timer2 8-bit), a watchdog timer for safety-critical code lockup recovery, and a power-saving SLEEP mode. The wide 2.5 V to 5.5 V supply range supports both 3.3 V and 5 V rails, while the 13 I/O pins with programmable weak pull-ups reduce BOM cost in keypad and switch-input designs. The 4 MHz maximum oscillator speed keeps dynamic power consumption low while still servicing typical control-loop update rates.
Architecture-wise, the PIC16LC715 uses a Harvard-class RISC core with separated program and data buses, allowing instruction fetch and operand access in the same cycle. Its OTP program memory (versus flash in PIC16F-series) makes it a cost-optimized choice for high-volume mature products where firmware is finalized and field updates are not required. The integrated analog front-end eliminates an external ADC, saving PCB area in sensor-interface boards.
Typical applications for the PIC16LC715T-04I/SS include low-cost consumer appliances, industrial sensor signal conditioning, simple motor and valve control loops, LED lighting controllers, security-system I/O expanders, and battery-powered instrumentation where the "LC" low-voltage operation and SLEEP mode extend runtime. It is also commonly used in white-goods control boards and as a glue-logic replacement for discrete 74-series TTL in legacy designs.
When designing with this part, engineers should note that OTP memory cannot be reprogrammed in-circuit - firmware must be validated before commitment. Decoupling capacitors (100 nF minimum) should be placed within 5 mm of the VDD pin, and unused I/O pins should be configured as outputs to minimize supply current draw during SLEEP.
This page synthesizes current distributor pricing, drop-in same-brand and cross-brand alternatives in the 20-SSOP footprint, and practical design notes not found in the bare datasheet - the information gain an engineer needs to qualify or substitute this part quickly.
ドロップイン代替品: PIC16LC715T-04I/SS — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: PIC16LC715T-04I/SS （同一形状・フットプリント） — 相違点: ADC, Package, Operating Temperature, Program Memory Size, Packaging.
クイック比較ツール — 並列比較する代替部品を選択:
PIC16LC715-04I/SS
✅ ドロップイン✓ 在庫あり
$1.35 / 個
データシートを見る →PIC16LC711T-04E/SS
✅ ドロップイン✓ 在庫あり
$4.95 / 個
データシートを見る →PIC16C715-04I/SS
✅ ドロップイン📋 参考代替品（カタログ未掲載）
PIC16F716T-I/SS
✅ ドロップイン📋 参考代替品（カタログ未掲載）
PIC16F1827T-I/SS
✅ ドロップイン✓ 在庫あり
$0.95 / 個
データシートを見る →PIC16LC715T-04I/SS 最大定格＆電気的特性
| Core | 8-bit PIC16 mid-range RISC |
| Program Memory Type | OTP (One-Time Programmable) |
| Program Memory Size | 3.5 KB |
| RAM | 128 bytes |
| I/O Pins | 13 |
| ADC | 4-channel, 8-bit |
| Max Oscillator Frequency | 4 MHz (200 ns instruction cycle) |
| Supply Voltage (VDD) | 2.5 V to 5.5 V |
| 動作温度 | -40 °C to +85 °C (industrial, "I") |
| パッケージ | 20-SSOP (0.209", 5.30 mm width) |
| Packaging | Tape & Reel ("T" suffix) |
| Timers | Timer0 (8-bit), Timer1 (16-bit), Timer2 (8-bit) |
| Watchdog Timer | Yes |
| SLEEP Mode | Yes (low-power CMOS "LC") |
| Instruction Set | 14-bit, 35 instructions |
| Stack | 8-level hardware |
| RoHS ステータス | Compliant |
PIC16LC715T-04I/SS ピン構成
| ピン 1 | RA0/AN0 — Digital I/O / ADC analog input channel 0 |
| ピン 2 | RA1/AN1 — Digital I/O / ADC analog input channel 1 |
| ピン 3 | RA2/AN2 — Digital I/O / ADC analog input channel 2 |
| ピン 4 | RA3/AN3 — Digital I/O / ADC analog input channel 3 |
| ピン 5 | RA4/T0CKI — Digital I/O / Timer0 clock input |
| ピン 6 | RA5/SS — Digital I/O / SPI slave select |
| ピン 7 | RE0/RD — Digital I/O port E bit 0 (some variants) |
| ピン 8 | RB0/INT — Digital I/O / external interrupt |
| ピン 9 | RB1 — Digital I/O port B bit 1 |
| ピン 10 | RB2 — Digital I/O port B bit 2 |
| ピン 11 | RB3 — Digital I/O port B bit 3 |
| ピン 12 | RB4 — Digital I/O port B bit 4 |
| ピン 13 | RB5 — Digital I/O port B bit 5 |
| ピン 14 | RB6 — Digital I/O port B bit 6 |
| ピン 15 | RB7 — Digital I/O port B bit 7 |
| ピン 16 | OSC1/CLKIN — Oscillator input / external clock input |
| ピン 17 | OSC2/CLKOUT — Oscillator output / clock output |
| ピン 18 | RC0 — Digital I/O port C bit 0 |
| ピン 19 | VSS — Ground reference |
| ピン 20 | VDD — Positive supply voltage (2.5 V - 5.5 V) |
主な用途
PIC16LC715T-04I/SS の用途: 7 件s: Consumer Appliance Control Boards, Battery-Powered Sensor Modules, Industrial Sensor Signal Conditioning, LED Lighting Controllers, Security System I/O Expanders, White Goods and HVAC Control, Automotive Aftermarket Accessories.
Consumer Appliance Control Boards
The PIC16LC715T-04I/SS fits consumer appliance control boards (washing machines, microwave ovens, dishwashers) where cost-optimized MCU plus integrated ADC matters. Its 2.5 V-5.5 V supply tolerates rectified 5 V rails, 13 I/O pins drive relays/LEDs/keypads directly, and the 4-channel 8-bit ADC reads temperature, level, and humidity sensors without external analog ICs. SLEEP mode keeps standby power under 1 µA, important for ENERGY STAR appliances. The OTP memory locks firmware to prevent field tampering, while the industrial -40 °C to +85 °C range survives under-cabinet heat. The 20-SSOP package sits in a tight corner of the appliance control PCB.
おすすめ
Battery-Powered Sensor Modules
The PIC16LC715T-04I/SS suits battery-powered sensor modules such as wireless thermostats, leak detectors, and remote controls where the "LC" low-voltage CMOS core extends runtime. Operating from 2.5 V down to a single Li-ion cell's end-of-life voltage, and drawing <1 µA in sleep, it pairs with an ADC front-end to wake periodically, sample, transmit, and return to sleep. The 13 I/O pins interface buttons and a low-power RF module. Industrial temperature range supports outdoor installations. OTP memory prevents accidental firmware overwrite during brown-out events on depleted batteries. Cost is critical at consumer price points.
おすすめ
Industrial Sensor Signal Conditioning
In industrial sensor conditioning boards, the PIC16LC715T-04I/SS reads 4-20 mA or 0-10 V transducer signals via its 4-channel 8-bit ADC and drives digital outputs or HMI displays. The 2.5 V-5.5 V supply tolerates 24 V industrial bus rails stepped down by a simple linear regulator. The 13 I/O handle limit-switch inputs and indicator LEDs. Industrial -40 °C to +85 °C operation suits factory floor cabinets. OTP memory locks calibration constants to prevent field re-calibration errors. The 20-SSOP sits alongside op-amps and references on a compact analog/digital mixed-signal PCB.
おすすめ
LED Lighting Controllers
The PIC16LC715T-04I/SS drives LED lighting dimmers and color-mixing controllers where its PWM-capable CCP peripherals and 13 I/O pins manage multiple LED strings. The integrated ADC reads ambient light sensors or potentiometer dimmer inputs, while the 4 MHz instruction cycle executes dimming algorithms with sufficient resolution. The 2.5 V-5.5 V supply accepts common 3.3 V and 5 V LED driver rails. Industrial temperature range covers outdoor fixture environments. OTP memory locks color-calibration tables for production consistency. Compact 20-SSOP leaves board space for high-current LED driver FETs.
おすすめ
Security System I/O Expanders
Security system panels and alarm I/O expanders use the PIC16LC715T-04I/SS to scan multiple zones (PIR, door contacts, glass-break detectors) and report status over a serial link to the main panel. The 13 I/O pins cover up to 13 zones per chip, with cascading chips for larger installs. The watchdog timer recovers from code lockup or electrical transients. The integrated ADC monitors backup battery voltage and PIR analog outputs. OTP memory prevents firmware tampering that could disable alarm logic. Industrial temperature range supports unheated garages and outdoor enclosures.
おすすめ
White Goods and HVAC Control
White goods controllers (refrigerators, HVAC thermostats, washing machines) leverage the PIC16LC715T-04I/SS for cost-sensitive user-interface and temperature-loop control. The 13 I/O drive 7-segment displays, keypads, buzzer, and relay outputs. The 4-channel 8-bit ADC reads NTC thermistors, water level sensors, and door-switch states. The 2.5 V-5.5 V supply tolerates rectified mains-derived 5 V rails. SLEEP mode reduces standby to comply with ENERGY STAR. The industrial temperature range handles under-cabinet heat up to +85 °C. OTP locks in factory calibration values.
おすすめ
Automotive Aftermarket Accessories
Automotive aftermarket accessories such as alarm systems, remote starters, and gauge clusters use the PIC16LC715T-04I/SS as the central logic controller. The 13 I/O drive relays, LEDs, and buzzer outputs; the integrated ADC reads battery voltage and sensor inputs. The 2.5 V-5.5 V supply accepts regulated 5 V derived from 12 V vehicle rails. Industrial temperature range handles cabin environments (-40 °C to +85 °C). Note: this part is NOT AEC-Q100 qualified; for OEM automotive designs, Microchip recommends AEC-Q100-qualified PIC16F variants in the same 20-SSOP footprint. OTP locks in vehicle-specific calibration.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: PIC16LC715T-04I/SS — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | PIC16LC715-04I/SS | PIC16LC711T-04E/SS | PIC16C715-04I/SS | PIC16F716T-I/SS | PIC16F1827T-I/SS |
|---|---|---|---|---|---|---|
| Package | 20-SSOP (tape & reel) | 20-SSOP (tube) | 20-SSOP (tape & reel) | 20-SSOP | 20-SSOP (tape & reel) | 20-SSOP (tape & reel) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory | 3.5 KB OTP | 3.5 KB OTP | 1.75 KB OTP | 3.5 KB EPROM (UV-erasable) | 1 KB flash | 7 KB flash |
| RAM | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 384 bytes |
| I/O Pins | 13 | 13 | 13 | 13 | 13 | 16 |
| ADC | 4-ch 8-bit | 4-ch 8-bit | 4-ch 8-bit | 4-ch 8-bit | 4-ch 8-bit | 12-ch 10-bit |
| Supply Voltage | 2.5 V - 5.5 V | 2.5 V - 5.5 V | 2.5 V - 6.0 V | 4.5 V - 5.5 V | 2.0 V - 5.5 V | 1.8 V - 5.5 V |
| Memory Type | OTP | OTP | OTP | EPROM (UV-erasable) | Flash (ICSP) | Flash (ICSP) |
| Lifecycle Status | NRND | NRND | NRND | NRND | Active | Active |
主な差別化要因
- Low-voltage CMOS ("LC") operation down to 2.5 V （vs PIC16C715-04I/SS)
- Field-upgradable flash for new designs （vs PIC16F716T-I/SS)
- 50% larger program memory than the smaller-sibling PIC16LC711 （vs PIC16LC711T-04E/SS)
- Mid-range 14-bit core vs enhanced 14-bit core （vs PIC16F1827T-I/SS)
設計ノート
Decouple VDD (pin 20) with a 100 nF ceramic capacitor placed within 5 mm of the pin, plus a bulk 10 µF tantalum or aluminum polymer capacitor on the same rail. The PIC16LC715T-04I/SS draws <2 mA active at 4 MHz / 5 V and <1 µA in SLEEP, but high-current I/O transitions cause brief VDD dips that can reset the MCU without adequate bulk capacitance. Use a low-ESR ceramic (X7R/X5R) for the 100 nF decoupling.
OTP memory cannot be erased or rewritten. Once programmed, firmware bugs require a new chip - there is no ICSP update path on the PIC16LC715 family. For development and field-updateable products, choose PIC16F716 (1 KB flash) or PIC16F1827 (7 KB flash) instead, both in the same 20-SSOP footprint. OTP is appropriate only for fully-validated production firmware where cost-per-unit matters more than iteration flexibility.
Configure unused I/O pins as outputs (set TRIS bits) and drive them low to minimize SLEEP current and reduce EMI. Enable weak pull-ups on inputs only where needed (switches, keypads) - each enabled weak pull-up adds ~250 µA of bias current. Place the 4 MHz crystal or resonator within 5 mm of OSC1/OSC2 (pins 16-17) with grounded guard traces to reduce clock noise coupling into the ADC.
Route ADC analog inputs (RA0-RA3, pins 1-4) away from digital switching signals and the oscillator traces. Add a ground guard ring around the analog section if mixed-signal sensitivity is critical. The internal 8-bit ADC has ~±1 LSB quantization noise; for >8-bit effective resolution, average multiple samples in firmware or upgrade to PIC16F1827's 10-bit ADC in the same footprint.
コンプライアンス情報
RoHS and lead-free per Microchip product page. Not AEC-Q100 qualified - for OEM automotive designs use AEC-Q100-qualified PIC16F variants in the same 20-SSOP footprint.
