PIC16C73AT-10/SO - 8-bit RISC MCU, 7KB EPROM, 22 I/O, 20MHz SOIC-28
MPN: PIC16C73AT-10/SO ✗ اختتامِ زندگیPIC16C73AT-10/SO جائزہ
An 8-bit RISC microcontroller is a processor built on a Reduced Instruction Set Computer architecture with 8-bit data width, optimized for deterministic real-time control. Within the broader system taxonomy, the PIC16C73A sits in the category hierarchy: microcontroller -> embedded microcontroller -> 8-bit MCU -> RISC MCU -> CMOS MCU -> semiconductor. Compared with CISC architectures, RISC MCUs offer shorter instruction latencies and predictable cycle counts, making them well-suited for hard-real-time applications such as motor control, instrumentation, and sensor interfacing.
Key differentiating features of the PIC16C73A include on-chip A/D conversion (eliminating external ADC chips), a hardware USART for asynchronous serial communication, and dual 16-bit timers with capture/compare/PWM (CCP/DSR) capability. The integrated peripheral set makes it suitable for embedded designs that previously required multiple discrete ICs. The "T" suffix denotes the tape-and-reel packaging option, and the "/SO" suffix designates the SOIC-28 wide-body footprint.
Architecturally, the PIC16C73A employs a Harvard architecture with separate program and data buses, a 14-bit instruction word, and a two-stage pipeline for predictable instruction throughput. The Harvard split prevents data accesses from stalling instruction fetches, supporting the 200ns single-cycle execution. On-chip EPROM allows code development cycles via ultraviolet erasure and windowed packages, but in production a one-time-programmable (OTP) variant is typically used.
Typical applications include industrial control systems, sensor interfacing with analog inputs, motor drive controllers, embedded serial communication nodes (RS-232/RS-485 bridges), and low-power instrumentation. The wide SOIC-28 footprint simplifies hand-soldering and rework during prototyping. Designers should ensure MCLR is properly handled (internal pull-up enabled via configuration bits) and that the in-circuit serial programming (ICSP) interface is reserved for firmware updates. This page consolidates distributor pricing, same-brand drop-in alternatives, and practical design guidance beyond what the manufacturer datasheet provides.
کے لیے ڈراپ اِن متبادل PIC16C73AT-10/SO — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں PIC16C73AT-10/SO (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Timers, ADC, Program Memory Type, Program Memory Size.
PIC16C73AT-10I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C73A-10/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C73A-20I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C73A-10E/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C73A-10/SP
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F73-I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C73AT-10/SO زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Family | PIC16C7X (PIC16C73A) |
| Architecture | 8-bit RISC, Harvard, 14-bit instructions |
| Program Memory Type | OTP/EPROM (UV-erasable windowed) |
| Program Memory Size | 7 KB |
| Data RAM | 192 bytes |
| I/O Pins | 22 |
| زیادہ سے زیادہ کلاک فریکوئنسی | 20 MHz |
| Instruction Cycle Time | 200 ns (4 clock oscillator) |
| سپلائی وولٹیج | 4.0 V to 5.5 V |
| ADC | 8-bit, 5 channels |
| Timers | 1 x 8-bit, 2 x 16-bit with CCP |
| Communication | USART (SCI), SSP (SPI/I2C) |
| پیکیج | SOIC-28 (300-mil wide body) |
| ماؤنٹنگ ٹائپ | Surface Mount, gull-wing |
| آپریٹنگ درجہ حرارت | 0C to +70C (Commercial) |
| Speed Suffix | -10 = 10 MHz instruction rate (20 MHz oscillator) |
| Tape & Reel Suffix | "T" suffix = T&R packaging option |
PIC16C73AT-10/SO پن کنفیگریشن
| پن 1 | MCLR/VPP/THV — Master Clear (Reset) input / Programming voltage / Test pin in |
| پن 2 | RA0/AN0 — PORTA bit 0 / Analog input channel 0 |
| پن 3 | RA1/AN1 — PORTA bit 1 / Analog input channel 1 |
| پن 4 | RA2/AN2 — PORTA bit 2 / Analog input channel 2 |
| پن 5 | RA3/AN3/VREF — PORTA bit 3 / Analog input channel 3 / ADC voltage reference |
| پن 6 | RA4/AN4 — PORTA bit 4 / Analog input channel 4 (open-drain output) |
| پن 7 | RA5/SS — PORTA bit 5 / Synchronous Serial Port slave select |
| پن 8 | OSC1/CLKIN — Oscillator crystal input / External clock input |
| پن 9 | OSC2/CLKOUT — Oscillator crystal output / Clock output (Fosc/4) |
| پن 10 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output / Timer1 clock input |
| پن 11 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 output |
| پن 12 | RC2/CCP1 — PORTC bit 2 / CCP1 output (PWM/Capture/Compare) |
| پن 13 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| پن 14 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| پن 15 | RC5/SDO — PORTC bit 5 / SPI data out |
| پن 16 | RC6/TX/CK — PORTC bit 6 / USART transmit / USART clock |
| پن 17 | RC7/RX/DT — PORTC bit 7 / USART receive / USART data |
| پن 18 | GND — Ground reference |
| پن 19 | RB0/INT — PORTB bit 0 / External interrupt input |
| پن 20 | RB1 — PORTB bit 1 |
| پن 21 | RB2 — PORTB bit 2 |
| پن 22 | RB3 — PORTB bit 3 |
| پن 23 | RB4 — PORTB bit 4 (interrupt-on-change) |
| پن 24 | RB5 — PORTB bit 5 (interrupt-on-change) |
| پن 25 | RB6 — PORTB bit 6 (interrupt-on-change / ICSP clock) |
| پن 26 | RB7 — PORTB bit 7 (interrupt-on-change / ICSP data) |
| پن 27 | VDD — Positive supply voltage (4.0V to 5.5V) |
| پن 28 | NC — Not connected (per datasheet package variant) |
عام استعمالات
PIC16C73AT-10/SO کے لیے موزوں ہے 7 ایپلیکیشنs: Industrial Sensor Interface Node, Motor Control and PWM Driver, Embedded Serial Communication Bridge, Low-Power Battery Instrumentation, Educational Development Platform, Security and Access Panel Controller, Automotive Body Electronics (Legacy).
Industrial Sensor Interface Node
The PIC16C73AT-10/SO fits industrial sensor interface nodes because its integrated 5-channel 8-bit ADC eliminates the need for an external ADC chip, reducing BOM cost and PCB area. Its 22 I/O pins support multiple sensor inputs plus digital actuators in one scanline. Place the device at the end of a sensor string with a 5V supply from a regulated rail; the wide SOIC-28 footprint simplifies hand-prototyping. The 20MHz instruction rate (10 MIPS) provides deterministic 200ns response time, critical for industrial control loops.
تجویز کردہ
Motor Control and PWM Driver
The PIC16C73AT-10/SO's dual 16-bit timers with capture/compare/PWM capability make it suitable for brushed DC motor control, small stepper drives, and DC fan speed regulation. Its 10 MIPS instruction rate supports PWM frequencies up to ~50 kHz with 10-bit resolution, sufficient for low-noise motor commutation. Connect PWM outputs to driver MOSFETs via gate drivers (e.g., TC4427); the 22 I/O pins handle direction logic, fault feedback, and tachometer inputs on a single SOIC-28 footprint.
تجویز کردہ
Embedded Serial Communication Bridge
The PIC16C73AT-10/SO integrates a hardware USART and synchronous serial port (SSP) for SPI/I2C peripherals, ideal for RS-232-to-SPI bridges, RS-485-to-I2C gateways, or sensor hubs that re-transmit field data over a serial link. Its 192-byte data RAM is sufficient for 64-byte UART FIFOs and protocol overhead. Place a MAX232 or MAX485 line driver on PORTC; the wide 5V supply tolerance simplifies industrial bus powering. The 28-pin SOIC footprint is breadboard-compatible for prototype serial-protocol debug.
تجویز کردہ
Low-Power Battery Instrumentation
The PIC16C73AT-10/SO can serve as the controller in battery-powered handheld instruments (digital multimeters, portable test gear, simple data loggers) because its commercial temperature grade and 4.0V-to-5.5V supply range accept 4x AA alkaline or NiMH battery packs directly. The 5-channel ADC reads supply voltage, sensor inputs, and battery level on the same chip. Sleep-mode current is minimized via oscillator shutdown; the SOIC-28 footprint provides adequate thermal dissipation for the modest 5V operating current.
تجویز کردہ
Educational Development Platform
The PIC16C73AT-10/SO is widely used in university embedded-systems labs and hobbyist training kits because it is a canonical mid-range PIC16C7X device with documented peripherals, mature toolchain (MPLAB IDE, ICD debuggers), and a breadboard-friendly SOIC-28 package. The 35-instruction RISC ISA is teachable in a single lab session, while the integrated ADC, USART, and SSP expose students to embedded analog/digital, serial, and synchronous peripherals in one chip.
تجویز کردہ
Security and Access Panel Controller
The PIC16C73AT-10/SO controls small embedded security panels (keypad door controllers, alarm zone expanders, RFID reader slave nodes) because its 22 I/O lines handle matrix keypads (4x4 = 8 lines), status indicators, and relay outputs in a single chip. The integrated USART connects to a central panel, while the SSP drives peripheral I/O expanders for additional relays. The OTP/EPROM program memory in the SOIC variant provides one-time code security against reverse engineering of the access-control firmware.
تجویز کردہ
Automotive Body Electronics (Legacy)
Although NRND, the PIC16C73AT-10/SO is still deployed in legacy automotive body-electronics modules (interior lighting controllers, accessory multiplexers, HVAC blend-door drivers) where its -40C to +85C variants ("I" suffix) and AEC-Q100 compliance provide qualified operation. For new automotive designs, Microchip recommends the PIC16F876A or dsPIC33 family, but the PIC16C73A continues to serve in service parts and re-manufactured assemblies.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16C73AT-10/SO — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16C73AT-10I/SO | PIC16C73A-10/SO | PIC16C73A-20I/SO | PIC16C73A-10E/SO | PIC16F73-I/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SOIC-28 | SOIC-28 - same | SOIC-28 - same | SOIC-28 - same | SOIC-28 - same | SOIC-28 - same |
| Program Memory Type | OTP/EPROM | OTP/EPROM | OTP/EPROM | OTP/EPROM | OTP/EPROM | Flash (10K cycles) |
| Program Memory Size | 7 KB | 7 KB | 7 KB | 7 KB | 7 KB | 7 KB |
| Max Instruction Rate | 10 MIPS | 10 MIPS | 10 MIPS | 20 MIPS | 10 MIPS | 20 MIPS |
| Operating Temperature | 0C to +70C (Commercial) | -40C to +85C (Industrial) | 0C to +70C (Commercial) | -40C to +85C (Industrial) | -40C to +85C (Extended) | -40C to +85C (Industrial) |
| I/O Pins | 22 | 22 | 22 | 22 | 22 | 22 |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND | Active |
| In-Circuit Programming | No (OTP/EPROM) | No (OTP/EPROM) | No (OTP/EPROM) | No (OTP/EPROM) | No (OTP/EPROM) | Yes (ICSP) |
اہم امتیازی خصوصیات
- Industrial temperature grade variant available in same SOIC-28 footprint (بمقابلہPIC16C73A-10/SO)
- Modern Flash-based migration path with active lifecycle status (بمقابلہPIC16C73AT-10/SO)
- Higher instruction throughput at same pin count (بمقابلہPIC16C73A-10/SO)
ڈیزائن نوٹس
The PIC16C73AT-10/SO operates from a single 4.0V to 5.5V supply. Place a 100nF decoupling capacitor as close as possible to the VDD pin (pin 27), plus a bulk 10uF electrolytic on the PCB. The ADC reference (VREF on RA3) requires a dedicated 0.1uF bypass capacitor; avoid sharing the VDD rail reference with digital switching loads to minimize ADC noise. Estimated: at 20MHz oscillator and 5V supply, the core current is approximately 15mA plus I/O sourcing, so a 100mA LDO is sufficient headroom.
The 28-pin SOIC footprint (300-mil wide body) requires pads on 1.27mm (50-mil) pitch with a 1.0mm land width. Route OSC1/OSC2 traces short and symmetric, with the crystal placed within 5mm of the MCU. The MCLR pin (pin 1) should have a 10kohm pull-up to VDD and a 100nF capacitor to ground for noise immunity. The ICSP interface uses RB6/RB7 plus MCLR; reserve test pads near the SOIC package for in-system programming access during prototyping.
Three common pitfalls: (1) The PIC16C73AT-10/SO uses OTP/EPROM memory - firmware cannot be reprogrammed in-circuit. Plan firmware validation on a windowed CERDIP variant (PIC16C73A-10/JW) before committing to OTP. (2) The 'T' suffix denotes tape-and-reel packaging; omit it for tube or tray delivery. (3) The speed suffix '-10' indicates 10 MIPS (20MHz oscillator) - if more throughput is needed, choose the '-20' 20 MIPS variant (PIC16C73A-20I/SO).
PORTA pins RA0-RA5 double as analog inputs; configure unused analog pins as digital outputs (low) to prevent floating-input ADC noise. The RA4 pin is open-drain and requires an external pull-up when used as a digital output. PORTB pins RB4-RB7 feature interrupt-on-change - disable this feature if using these pins as general outputs to avoid spurious interrupts. Estimated: enabling all five ADC channels at 20MHz oscillator adds approximately 1.2mA ADC current, included in the 15mA total.
تعمیل کی معلومات
RoHS/REACH compliance not explicitly stated in verified web data - marked [DATA_NEEDED] in specs. Legacy 28-pin SOIC variants may be non-RoHS depending on date of manufacture; contact Microchip for current compliance certificates. AEC-Q100 not applicable for industrial SOIC variant - contact Microchip for AEC-Q100 qualified automotive-grade options.
