PIC16C54CT-20E/SS - 8-bit OTP MCU, 20MHz, 768B | Microchip
MPN: PIC16C54CT-20E/SS ✓ فعالPIC16C54CT-20E/SS جائزہ
What is an 8-bit OTP microcontroller? An OTP (One-Time Programmable) microcontroller embeds non-volatile program memory that can be written exactly once after manufacture, combining the low unit cost of masked-ROM MCUs with the design flexibility of field programming. The PIC16C5X family sits in the microcontrollers -> 8-bit MCUs -> RISC microcontrollers -> embedded controllers -> semiconductor hierarchy and is widely used in cost-sensitive, deterministic, real-time control applications where Cortex-M class devices would be over-spec.
The PIC16C54CT-20E/SS uses a Harvard RISC architecture with separate program and data buses, enabling single-cycle instruction fetch and deterministic execution. The 33-instruction set simplifies code generation while delivering 2:1 code compression over competing 8-bit CISC architectures. On-chip peripherals include a watchdog timer, power-on reset, and a programmable code-protection bit, reducing external component count.
Typical applications include automotive body controllers, appliance control boards, simple sensor interfaces, low-end consumer products, and industrial control logic where cost and deterministic timing outweigh the need for large memory or advanced peripherals. The 12 I/O pins are organized as Port A (5 pins) and Port B (8 pins) per the datasheet pinout convention.
When designing with this device, allocate sufficient decoupling (100 nF + 10 µF) near VDD, keep the MCLR pin pull-up close to the IC, and respect the 5 V supply range; operation below 4.5 V is not guaranteed. For new designs consider the flash-based PIC16F54 equivalent for code re-programmability.
This page synthesizes distributor stock, parametric substitutes, and pin-level engineering guidance not consolidated in the Microchip datasheet, giving procurement and design engineers a faster selection path.
کے لیے ڈراپ اِن متبادل PIC16C54CT-20E/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 PIC16C54CT-20E/SS (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Program Memory Size, Program Memory Type, Core Architecture, Instruction Cycle Time.
PIC16C54C-20E/SS
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16C54C-20I/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C54A-20E/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C54A-20I/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C54CT-04/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C54CT-20E/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C54CT-20E/SS زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | 8-bit PIC RISC (Harvard) |
| Series | PIC® 16C (PIC16C5X family, PIC16C54C die) |
| Program Memory Type | OTP EPROM (One-Time Programmable) |
| Program Memory Size | 768 B (512 x 12 words) |
| Instruction Word Width | 12 bits |
| RAM Size | 25 B |
| زیادہ سے زیادہ کلاک فریکوئنسی | 20 MHz |
| Instruction Cycle Time | 200 ns at 20 MHz |
| Number of I/O Pins | 12 |
| Supply Voltage (VDD) | 4.5 V to 5.5 V |
| آپریٹنگ درجہ حرارت | -40 °C to +125 °C (TA) |
| پیکیج | 20-pin SSOP (0.209", 5.30 mm body width) |
| ماؤنٹنگ ٹائپ | Surface Mount (Gull Wing) |
| Number of Instructions | 33 |
| On-chip Peripherals | Watchdog Timer, Power-On Reset, Code Protection |
| Speed Grade Suffix | 20E (20 MHz, Extended temp) |
| Compliance | RoHS compliant per Microchip product page |
PIC16C54CT-20E/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 | RA4/T0CKI — Bidirectional I/O Port A bit 4 / Timer0 clock input |
| پن 4 | MCLR — Master Clear (reset) input, active low |
| پن 5 | VSS — Ground reference |
| پن 6 | RB0/INT — Bidirectional I/O Port B bit 0 / External interrupt |
| پن 7 | RB1 — Bidirectional I/O Port B bit 1 |
| پن 8 | RB2 — Bidirectional I/O Port B bit 2 |
| پن 9 | RB3 — Bidirectional I/O Port B bit 3 |
| پن 10 | RB4 — Bidirectional I/O Port B bit 4 |
| پن 11 | RB5 — Bidirectional I/O Port B bit 5 |
| پن 12 | RB6 — Bidirectional I/O Port B bit 6 |
| پن 13 | RB7 — Bidirectional I/O Port B bit 7 |
| پن 14 | VSS — Ground reference (secondary) |
| پن 15 | OSC2/CLKOUT — Oscillator crystal output / Clock out (Fosc/4) |
| پن 16 | OSC1/CLKIN — Oscillator crystal input / External clock input |
| پن 17 | RA0 — Bidirectional I/O Port A bit 0 |
| پن 18 | RA1 — Bidirectional I/O Port A bit 1 |
| پن 19 | VSS — Ground reference |
| پن 20 | VDD — Positive supply voltage (4.5 V to 5.5 V) |
عام استعمالات
PIC16C54CT-20E/SS کے لیے موزوں ہے 6 ایپلیکیشنs: Automotive Body Electronics, Appliance Control Boards, Low-End Consumer Products, Industrial Sensor Interfaces, Simple Motor and Relay Control, Security and Access-Control Panels.
Automotive Body Electronics
The PIC16C54CT-20E/SS fits automotive body controllers — seat controllers, mirror adjusters, and central-locking modules — where its -40 °C to +125 °C extended temperature rating, 20 MHz deterministic core, and 12 GPIO are sufficient. The 33-instruction set executes logic decisions in a single 200 ns cycle, well below typical 10 ms body-control loop deadlines. With 768 B of OTP, the device can host small state machines, key-debounce routines, and PWM routines for LED or motor control without external memory. Compared with switching to a Cortex-M0+, the PIC16C54CT-20E/SS delivers sub-$2 unit cost at 1 kpcs while drawing under 2 mA active, easing thermal design in enclosed mirror housings.
تجویز کردہ
Appliance Control Boards
In white-goods appliances such as microwave ovens, washing machines, and dishwashers, the PIC16C54CT-20E/SS serves as the user-interface and timing controller. Its 12 I/O pins directly drive 7-segment LED displays, keypads, and triac-fired relays without external glue logic. The 20 MHz core handles line-frequency zero-cross detection and triac phase-angle control with 200 ns resolution, sufficient for 60 Hz / 120 Hz dimmer and heater regulation. OTP memory is well-matched to mature, never-updated appliance firmware, and the 20-SSOP footprint fits the dense PCB layouts common to control panels. Combined with a Microchip HVLC driver companion, it forms a complete BOM-friendly solution.
تجویز کردہ
Low-End Consumer Products
For toys, remote controls, novelty lighting, and other cost-driven consumer devices, the PIC16C54CT-20E/SS provides an optimal cost-per-function balance. Its 768 B OTP memory holds small fixed-pattern routines such as IR remote decoding, chase-pattern LED sequencing, or simple sound-effect generation. The 25-byte RAM supports stack-based subroutines and a handful of state variables. Combined with the internal watchdog timer and power-on reset, the device needs no external supervisory components, reducing BOM cost. The 20-SSOP package offers a small footprint ideal for handheld form factors.
تجویز کردہ
Industrial Sensor Interfaces
The PIC16C54CT-20E/SS acts as a low-cost sensor-conditioning MCU in industrial 4-20 mA loops, simple limit-switch controllers, and counter/timer modules. Its 12 GPIO can read multiple digital sensors and drive optocouplers, while the 20 MHz core performs debouncing, filtering, and pulse counting at rates up to 5 MIPS. The extended -40 °C to +125 °C operating range allows deployment near motors, hydraulics, or outdoor enclosures. The 4.5 V to 5.5 V supply range matches 5 V regulated industrial rails without needing a separate LDO, simplifying board layout and reducing component count.
تجویز کردہ
Simple Motor and Relay Control
For low-power brushed DC motors, solenoids, and small relay-driven actuators, the PIC16C54CT-20E/SS provides adequate processing power at minimum cost. Its 12 GPIO can source or sink enough current to drive logic-level MOSFETs through gate resistors, and the 20 MHz instruction cycle supports software PWM at frequencies above audible range (>20 kHz) for silent motor commutation. The watchdog timer recovers the controller from ESD-induced lockups on the factory floor, while OTP memory protects the calibration and ramp profiles from field tampering. The 20-SSOP package dissipates <2 W comfortably without external heat sinking.
تجویز کردہ
Security and Access-Control Panels
The PIC16C54CT-20E/SS can serve as a keypad scanner or RFID-tag co-processor in low-tier security panels. With 25 bytes of RAM and 33 instructions, it easily implements 4x4 matrix keypad scanning, debounce timers, and Wiegand-format output to a host controller. The internal code-protection bit prevents firmware extraction from a stolen board — important for security SKUs. The 5 V supply aligns with the regulator architecture commonly used in 12 V or 24 V security panels, eliminating the need for an additional LDO stage.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16C54CT-20E/SS — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16C54C-20E/SS | PIC16C54C-20I/SS | PIC16C54A-20E/SS | PIC16C54CT-04/SS |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-SSOP | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same |
| Core / Family | PIC16C54C, 8-bit RISC | PIC16C54C, 8-bit RISC | PIC16C54C, 8-bit RISC | PIC16C54A, 8-bit RISC | PIC16C54C, 8-bit RISC |
| Max Clock Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 4 MHz |
| Program Memory | 768 B OTP (512 x 12) | 768 B OTP (512 x 12) | 768 B OTP (512 x 12) | 768 B OTP (512 x 12) | 768 B OTP (512 x 12) |
| Operating Temperature | -40 °C to +125 °C (Extended) | -40 °C to +125 °C (Extended) | -40 °C to +85 °C (Industrial) | -40 °C to +125 °C (Extended) | 0 °C to +70 °C (Commercial, inferred) |
| I/O Pins | 12 | 12 | 12 | 12 | 12 |
| Supply Voltage | 4.5 V to 5.5 V | 2.0 V to 6.0 V (wider C-rev range) | 2.0 V to 6.0 V | 2.0 V to 6.0 V | 4.5 V to 5.5 V |
| Lifecycle Status | Active | Active | Active | Active | Active |
اہم امتیازی خصوصیات
- Extended temperature grade -40 °C to +125 °C (بمقابلہPIC16C54C-20I/SS)
- 20 MHz instruction cycle for real-time control (بمقابلہPIC16C54CT-04/SS)
- Same 20-SSOP footprint across the PIC16C5X family (بمقابلہPIC16C54CT-20E/SO)
ڈیزائن نوٹس
Place a 100 nF X7R ceramic decoupling capacitor within 5 mm of the VDD pin (pin 20) and a 10 µF bulk electrolytic on the same node for relay or motor loads. VDD must remain within 4.5 V to 5.5 V; brown-out reset is not specified for the PIC16C54C OTP variant, so transient dips below 4.5 V may corrupt program flow without notice.
OTP (One-Time Programmable) memory cannot be erased. Validate firmware on a flash-based PIC16F54 or PIC16C54 development board first, then commit to a single PIC16C54C production programming pass. Estimated: the unit cost advantage of OTP versus flash is roughly 15-25 % per IC at 1 kpcs volumes, but a single OTP scrap batch can wipe out that saving.
Route the MCLR pull-up (typically 10 kΩ to VDD) close to pin 4 and keep the trace short to prevent ESD-induced resets. Place the crystal (or ceramic resonator) within 5 mm of pins 15-16 and guard both traces with a ground ring to avoid injecting oscillator noise into adjacent analog or relay traces.
تعمیل کی معلومات
RoHS compliance and lead-free SSOP finish per Microchip product page. AEC-Q100 not explicitly listed in the data; extended -40 °C to +125 °C temperature grade is automotive-suitable but formal AEC-Q100 qualification status was not stated in the verified web data.
