PIC16C54T-RC/SS - 4MHz 8-Bit OTP MCU 768B | Microchip
MPN: PIC16C54T-RC/SS ✗ اختتامِ زندگیPIC16C54T-RC/SS جائزہ
What is a PIC16C5x microcontroller? The PIC16C5x is Microchip's original low-cost, high-performance 8-bit RISC family, widely regarded as the ancestor of all modern PIC MCUs. It uses a Harvard architecture with separate program and data buses, a 12-bit-wide instruction word, and a fixed 33-instruction set. In the broader taxonomy, the PIC16C5x sits under: microcontroller -> embedded microcontroller -> 8-bit MCU -> RISC MCU -> EPROM/ROM-based MCU -> power management and control IC family.
Key features include 33 single-word/single-cycle RISC instructions, 2:1 code compression versus competing 8-bit MCUs through 12-bit-wide instructions, Power-On Reset (POR), Watchdog Timer (WDT) with on-chip RC oscillator, and programmable code protection. The 12-bit instruction width yields compact code density uncommon in 8-bit parts, while the two-level deep hardware stack and 2 K x 12 program-memory address space support compact firmware designs.
The PIC16C5x uses a RISC pipeline with single-cycle execution (except branches, which take two cycles), and integrates a precision 4 MHz internal RC-style oscillator reference. With a 4 MHz clock and 4 Tcy per instruction cycle, each instruction executes in 1 microsecond, delivering roughly 1 MIPS of throughput. The device's CMOS design provides low power consumption suitable for both battery and line-powered applications.
Typical applications include appliance control, automotive body electronics, low-power remote sensors, security and access systems, and general-purpose embedded logic replacement. The wide 3.0 V to 5.5 V supply range and small SSOP-20 footprint make it well-suited for cost-sensitive, space-constrained designs.
When designing with the PIC16C5x, ensure the OTP-programmed firmware is finalized before volume production - the "C" ROM family is one-time-programmable, so any firmware change requires a new part. Use the WDT for unattended recovery from software or hardware faults, and add 0.1 uF ceramic bypass capacitors near VDD/SS for stable operation.
This page synthesizes distributor pricing, drop-in alternatives from the PIC16C5x family and competitive 8-bit MCUs, application examples, and practical design notes not found in the manufacturer datasheet.
کے لیے ڈراپ اِن متبادل PIC16C54T-RC/SS — 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 PIC16C54T-RC/SS (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Program Memory Type, Package, Program Memory Size, Operating Temperature, Timers.
PIC16C54-RC/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C54T-RC/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C54C-04/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C54C-04I/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C54-RCE/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F54-I/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C54T-RC/SS زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core | PIC 8-bit RISC |
| Series | PIC16C5x (PIC16C54) |
| Program Memory Type | OTP (One-Time Programmable) EPROM |
| Program Memory Size | 768 B (512 x 12) |
| RAM Size | 25 x 8 bytes |
| Maximum CPU Frequency | 4 MHz |
| Supply Voltage Range | 3.0 V to 5.5 V |
| Number of I/O Pins | 12 |
| ڈیٹا بس چوڑائی | 8 bit |
| Instruction Set Width | 12 bit |
| Number of Instructions | 33 single-word/single-cycle |
| Peripherals | POR, WDT (Watchdog Timer) |
| پیکیج | 20-pin SSOP (5.30 mm body width) |
| ماؤنٹنگ ٹائپ | Surface Mount (Tape and Reel) |
| آپریٹنگ درجہ حرارت | 0C to +70C (commercial) |
| RoHS اسٹیٹس | Compliant |
PIC16C54T-RC/SS پن کنفیگریشن
| پن 1 | RA2 — Bidirectional I/O port A bit 2 |
| پن 2 | RA3 — Bidirectional I/O port A bit 3 |
| پن 3 | RB0 — Bidirectional I/O port B bit 0 |
| پن 4 | RB1 — Bidirectional I/O port B bit 1 |
| پن 5 | RB2 — Bidirectional I/O port B bit 2 |
| پن 6 | RB3 — Bidirectional I/O port B bit 3 |
| پن 7 | RB4 — Bidirectional I/O port B bit 4 |
| پن 8 | RB5 — Bidirectional I/O port B bit 5 |
| پن 9 | RB6 — Bidirectional I/O port B bit 6 |
| پن 10 | RB7 — Bidirectional I/O port B bit 7 |
| پن 11 | VDD — Positive supply voltage |
| پن 12 | GND — Ground reference |
| پن 13 | OSC1 — Oscillator input / external clock input |
| پن 14 | OSC2 — Oscillator output (crystal mode) |
| پن 15 | T0CKI — Timer0 clock input / RA0 |
| پن 16 | INT — External interrupt / RA1 |
| پن 17 | MCLR — Master clear (reset) input, active low |
| پن 18 | NC — Not connected (per datasheet) |
| پن 19 | NC — Not connected (per datasheet) |
| پن 20 | NC — Not connected (per datasheet) |
عام استعمالات
PIC16C54T-RC/SS کے لیے موزوں ہے 6 ایپلیکیشنs: Appliance Control (Washers, Microwaves), Automotive Body Electronics, Low-Power Remote Sensor Nodes, Security and Access Control Panels, Replacement of Discrete Logic / Glue Logic, Toys, Hobby Electronics, and Educational Kits.
Appliance Control (Washers, Microwaves)
The PIC16C54T-RC/SS fits white-goods appliance control because its 4 MHz PIC core delivers deterministic 1 MIPS throughput, the 12 GPIO pins directly drive relays and triacs via opto-isolators, and the 768 B OTP holds timing sequences for wash cycles or microwave power levels. With POR and WDT integrated, no external supervisor IC is required, reducing BOM cost. The wide 3.0 V to 5.5 V supply tolerates unregulated 5 V rails common in motor-driven appliances. Designers typically pair the part with an 8-bit Darlington array (e.g., ULN2803) to switch solenoids and indicator LEDs directly from the GPIO pins, each capable of 25 mA source/sink.
تجویز کردہ
Automotive Body Electronics
The PIC16C54T-RC/SS serves automotive body-control applications such as interior lighting, window lifters, and seat-position memory, where its small SSOP-20 footprint fits behind dashboard connectors and the 12-bit instruction word compresses state-machine firmware into 768 B OTP. The 4 MHz clock and 25 mA GPIO drive capability directly switch small automotive loads. For under-hood applications, the industrial-temperature variant PIC16C54C-04I/SS is preferred for its -40C to +85C range, while commercial-temp units like the PIC16C54T-RC/SS are typically used in cabin-mounted modules. Always derate supply voltage against load-dump transients with a TVS clamp.
تجویز کردہ
Low-Power Remote Sensor Nodes
The PIC16C54T-RC/SS is suited to low-power remote sensor endpoints (soil moisture, environmental monitors, building automation) thanks to its fully-static CMOS core, which allows the 4 MHz clock to be gated for sub-microamp standby current. The 12 GPIO pins read multiple sensor channels and drive a low-power radio or LoRa transmitter, while the WDT wakes the part periodically to take readings and transmit. With 768 B OTP holding the sensor-fusion algorithm and 25 B RAM for sample buffers, the part is a cost-effective node controller for IoT-style deployments where flash reprogrammability is not required.
تجویز کردہ
Security and Access Control Panels
The PIC16C54T-RC/SS is well-suited to legacy alarm panels, keypad controllers, and access-control readers where its 12-bit PIC instruction set holds keyscan debounce routines, EEPROM emulation, and simple encryption in 768 B of OTP. The 12 GPIO directly scan a 4x4 matrix keypad (8 lines) and drive status LEDs, while a serial interface (bit-banged UART) talks to a central panel. The OTP memory also provides natural security: once programmed, the firmware cannot be read back without erasing, deterring casual reverse engineering.
تجویز کردہ
Replacement of Discrete Logic / Glue Logic
The PIC16C54T-RC/SS is often used as a one-chip replacement for 74-series glue-logic clusters in cost-sensitive designs. A single PIC16C5x can replace 3-5 discrete logic ICs by sequencing outputs based on input patterns stored in OTP code, freeing PCB area and reducing BOM count. The 1 MIPS throughput handles debouncing, sequencing, and simple state machines with cycle-accurate timing. Designers port existing HC/AC-logic designs by writing state diagrams in PIC assembly, then program the OTP once and never change the firmware.
تجویز کردہ
Toys, Hobby Electronics, and Educational Kits
The PIC16C54T-RC/SS is a popular choice for educational kits and hobby electronics because of its low unit cost, simple 33-instruction RISC architecture, and wide availability through hobbyist distributors. Students learn embedded programming on the same PIC core that launched the modern microcontroller era, while the 4 MHz clock and 1 MIPS throughput are sufficient to drive LED chasers, servo controllers, and simple robotic platforms. The 20-pin SSOP package is breadboard-friendly with breakout boards, and the OTP memory forces disciplined firmware development.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16C54T-RC/SS — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16C54-RC/SS | PIC16C54T-RC/SO | PIC16C54C-04/SS | PIC16C54C-04I/SS | PIC16F54-I/SS |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-SSOP (5.30 mm) | 20-SSOP - same | 20-SOIC (7.50 mm) - different footprint | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same |
| Maximum CPU Frequency | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 20 MHz |
| Program Memory Type | OTP EPROM | OTP EPROM | OTP EPROM | OTP EPROM | OTP EPROM | Flash (reprogrammable) |
| Program Memory Size | 768 B (512 x 12) | 768 B | 768 B | 768 B | 768 B | 768 B |
| RAM Size | 25 B | 25 B | 25 B | 25 B | 25 B | 25 B |
| Number of I/O Pins | 12 | 12 | 12 | 12 | 12 | 12 |
| Supply Voltage Range | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 2.0 V to 5.5 V (wider) |
| Operating Temperature | 0C to +70C (commercial) | 0C to +70C | 0C to +70C | 0C to +70C | -40C to +85C (industrial) | -40C to +85C (industrial) |
اہم امتیازی خصوصیات
- Tape-and-reel packaging for high-volume SMT assembly (بمقابلہPIC16C54-RC/SS)
- SSOP-20 small-footprint option vs SOIC-20 (بمقابلہPIC16C54T-RC/SO)
- Modern flash migration path available in same footprint (بمقابلہPIC16F54-I/SS)
ڈیزائن نوٹس
Decouple VDD to ground with a 0.1 uF ceramic capacitor placed within 5 mm of the VDD pin. For systems with noisy switching loads (relays, triacs) on the same supply, add a 10 uF tantalum or aluminum electrolytic bulk capacitor. The PIC16C54T-RC/SS supply range is 3.0 V to 5.5 V; operation outside this range is undefined and may damage the OTP memory cell.
The PIC16C54T-RC/SS uses One-Time-Programmable (OTP) EPROM, which means firmware cannot be modified after programming. Verify your firmware thoroughly before committing to volume programming - any code change requires a new device batch. Always keep the MCLR pin pulled high through a 10 kohm resistor and tied to VDD; floating MCLR can cause spurious resets in noisy environments.
The 20-pin SSOP package has a 0.65 mm pin pitch and 5.30 mm body width - small enough that hand-soldering requires care. Use a reflow profile with peak temperature of 250C for no more than 30 seconds. Add a ground pour under the device to improve thermal dissipation; even though the PIC16C5x is low-power, OTP programming draws extra current that benefits from a thermal copper plane.
Keep the oscillator traces (OSC1/OSC2) short and away from high-current switching traces. For crystal mode, place load capacitors (typically 15-33 pF) close to the pins. For RC oscillator mode (the "RC" in this part number), the oscillator frequency depends on the external resistor and capacitor; consult the PIC16C5x datasheet section on OSC options for component selection curves.
تعمیل کی معلومات
RoHS compliant per Microchip product declaration. Not AEC-Q100 qualified; for automotive applications use the PIC16C54C-04I/SS industrial-temp variant and apply additional qualification. Lead-free reflow-compatible (peak 250C).