PIC16C54-XTE/SS - 8-bit OTP MCU, 768B, 20-SSOP | Microchip
MPN: PIC16C54-XTE/SS ✗ اختتامِ زندگیPIC16C54-XTE/SS جائزہ
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and peripherals into one package. The PIC16C5X family belongs to the broader taxonomy of 8-bit microcontrollers -> microcontrollers -> embedded processors -> semiconductors. Within Microchip's portfolio, the PIC16C5X represents the entry-level, lowest-cost OTP tier aimed at high-volume, cost-sensitive applications where firmware is finalized and one-time programming is acceptable.
Key features include 12 I/O pins (raffle across PORTA and PORTB), a Watchdog Timer (WDT) with on-chip RC oscillator for code-protect recovery, Power-on Reset (POR), and a programmable code-protect bit. The 8-bit timer/counter (TMR0) with an 8-bit prescaler is shared between the WDT and general timing functions, and an external interrupt (INT) on RB0/INT provides edge-triggered wake-up capability. The device operates from 3.0 V to 6.0 V across the -40 C to +125 C industrial/extended range.
The PIC16C5X architecture uses a RISC-like Harvard structure with separate program and data buses, eliminating instruction-fetch bottlenecks and enabling deterministic single-cycle execution for all but program branches (which take two cycles). The 12-bit-wide instruction word yields an average 2:1 code compression over typical 8-bit MCU architectures in the same class, reducing program-memory footprint and cost per unit.
Typical applications include industrial control logic, appliance control boards, automotive body electronics (non-safety), smart sensors, low-end consumer products, and battery-powered devices where the 4 MHz speed and 3-6 V supply fit the design envelope. The 20-pin SSOP footprint also suits compact handheld and portable designs where board area is at a premium. The Microchip-suggested successor is the PIC16F54, a flash-based variant that retains the same peripheral set and pinout family, enabling drop-in firmware migration for new designs.
When designing with this part, note that the OTP memory cannot be reprogrammed in-circuit. For prototyping or firmware iteration, use a windowed CERDIP package (PIC16C54/JW) for UV erasure, or migrate to the flash-based PIC16F54 family for development flexibility. Always include proper decoupling (100 nF + 10 uF) near VDD and use a current-limited in-circuit serial programming (ICSP) header for production programming.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes that go beyond the manufacturer datasheet to help engineers evaluate the PIC16C54-XTE/SS for both new designs and legacy board reworks.
کے لیے ڈراپ اِن متبادل PIC16C54-XTE/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 PIC16C54-XTE/SS (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Program Memory Type, Operating Temperature, Program Memory Size, Timers.
PIC16C54A-20/SS
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16C54A-04/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C54C-04/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F54-I/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C56-XTE/SS
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →Z86E02
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16C54-XTE/SS زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Family | PIC16C5X |
| Core | 8-bit PIC |
| Program Memory Type | OTP (One-Time Programmable) EPROM |
| Program Memory Size | 768 bytes (512 x 12) |
| RAM | 25 bytes |
| Instruction Word Width | 12 bits |
| Instruction Set Size | 33 instructions |
| زیادہ سے زیادہ کلاک فریکوئنسی | 4 MHz (XT speed grade) |
| Instruction Cycle | 200 ns at 20 MHz, 1 us at 4 MHz |
| I/O Pins | 12 |
| Timers | 1 x 8-bit (TMR0 with prescaler) |
| Watchdog Timer (WDT) | Yes, on-chip RC oscillator |
| Power-on Reset (POR) | Yes |
| External Interrupt (INT) | Yes (RB0/INT) |
| Code Protection | Programmable code-protect bit |
| Supply Voltage (VDD) | 3.0 V to 6.0 V |
| آپریٹنگ درجہ حرارت | -40 C to +125 C (extended grade) |
| پیکیج | 20-pin SSOP (5.30 mm body, 0.65 mm pitch) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| AEC-Q100 Qualification | Not qualified (industrial/consumer grade) |
PIC16C54-XTE/SS پن کنفیگریشن
| پن 1 | RA2 — I/O port A bit 2 |
| پن 2 | RA3 — I/O port A bit 3 |
| پن 3 | RTCC — Timer/counter clock input (TMR0) |
| پن 4 | MCLR — Master clear (reset) input, active low |
| پن 5 | VSS — Ground reference |
| پن 6 | RB0/INT — I/O port B bit 0 / external interrupt |
| پن 7 | RB1 — I/O port B bit 1 |
| پن 8 | RB2 — I/O port B bit 2 |
| پن 9 | RB3 — I/O port B bit 3 |
| پن 10 | RB4 — I/O port B bit 4 |
| پن 11 | RB5 — I/O port B bit 5 |
| پن 12 | RB6 — I/O port B bit 6 |
| پن 13 | RB7 — I/O port B bit 7 |
| پن 14 | VDD — Positive supply voltage (3.0 V to 6.0 V) |
| پن 15 | OSC2 — Oscillator output / crystal connection |
| پن 16 | OSC1 — Oscillator input / crystal connection |
| پن 17 | RA0 — I/O port A bit 0 |
| پن 18 | RA1 — I/O port A bit 1 |
| پن 19 | RA2 (alt) — I/O port A bit 2 (alternate bond) |
| پن 20 | RA3 (alt) — I/O port A bit 3 (alternate bond) |
عام استعمالات
PIC16C54-XTE/SS کے لیے موزوں ہے 6 ایپلیکیشنs: Industrial Control Logic, Appliance Control Boards, Automotive Body Electronics (Non-Safety), Low-End Consumer Products, Smart Sensor Interface Modules, Battery-Powered Portable Devices.
Industrial Control Logic
The PIC16C54-XTE/SS suits industrial control logic boards where deterministic 1 us instruction execution and -40 C to +125 C extended temperature operation are required. With 768 bytes of OTP program memory and 25 bytes of RAM, it handles state-machine control, sensor polling, relay actuation, and alarm monitoring for pumps, fans, and conveyor systems. The 12 I/O pins directly drive optocouplers, MOSFET gates, and LED indicators without external glue logic. The 4 MHz XT oscillator grade accepts low-cost ceramic resonators for cost-sensitive industrial designs. Its Watchdog Timer and Power-on Reset ensure reliable startup and recovery from firmware faults in unattended field installations. Pin-compatible flash-based PIC16F54-I/SS variants are recommended for new designs to enable in-circuit firmware updates.
تجویز کردہ
Appliance Control Boards
The PIC16C54-XTE/SS is well-suited to white-goods appliance controllers (washing machines, dishwashers, microwave ovens) where its 3.0 V to 6.0 V supply range and extended temperature grade align with standard appliance power architectures. The 33-instruction RISC core delivers fast deterministic response to keypad input, encoder signals, and triac zero-cross detection for heating-element or motor control. The 768-byte OTP memory stores appliance cycle logic (wash cycles, defrost algorithms) finalized at production programming. Its small SSOP-20 footprint fits compact control boards behind front panels, and the 12 I/O lines can drive 7-segment displays, status LEDs, and buzzer outputs. Modern designs should migrate to PIC16F54-I/SS for the same package and reprogrammability.
تجویز کردہ
Automotive Body Electronics (Non-Safety)
The PIC16C54-XTE/SS supports non-safety automotive body electronics such as interior lighting controllers, mirror-adjust modules, seat-position memory, and accessory timers where its extended -40 C to +125 C temperature range handles under-dash thermal stress. Its 4 MHz clock and 200 ns instruction cycle handle switch-debounce, PWM for LED dimming, and CAN/LIN-friendly bit-banging via software. Note: the part is not AEC-Q100 qualified, so it must be limited to non-safety, non-Powertrain body applications. The OTP memory locks firmware against tampering once deployed. For AEC-Q100-qualified alternatives in safety-relevant body modules, consider PIC16F18446 or dsPIC33 family parts from Microchip.
تجویز کردہ
Low-End Consumer Products
The PIC16C54-XTE/SS targets cost-sensitive consumer products such as remote-control handsets, novelty toys, electronic timers, and simple sensor interfaces where the lowest unit cost outweighs the need for flash memory. Its 33-instruction set and 12-bit instruction word deliver compact code density, allowing complete feature sets in only 768 bytes of OTP. The 4 MHz internal instruction rate (1 us/cycle) handles button scanning, IR transmit/receive bit-banging, and basic motor PWM. The 5 V supply range matches the dominant consumer-electronics power rail. For high-volume production, OTP memory provides BOM cost savings over flash parts. Pin-compatible PIC16F54T-I/SS (T = tape and reel) simplifies pick-and-place assembly on consumer manufacturing lines.
تجویز کردہ
Smart Sensor Interface Modules
The PIC16C54-XTE/SS fits smart-sensor interface modules that convert analog transducer signals (thermistors, photocells, mechanical switches) into digital outputs for downstream microcontrollers or industrial buses. Its 12 I/O pins read multiple sensors, drive indicator LEDs, and bit-bang serial protocols (UART-like, I2C-like) for higher-level networks. The 3.0 V minimum supply permits operation from a single lithium cell, and the 1 us instruction cycle enables sub-millisecond sensor polling rates. The Watchdog Timer recovers the sensor module from electrical noise-induced firmware stalls in industrial environments. Pin-compatible PIC16F54-I/SS or PIC12F1840 alternatives are preferred for new designs requiring in-field firmware updates.
تجویز کردہ
Battery-Powered Portable Devices
The PIC16C54-XTE/SS is appropriate for battery-powered portable devices such as wireless thermometers, simple remote-control key fobs, electronic scales, and digital timers where its 3.0 V minimum supply permits operation directly from two alkaline cells or a single CR2032 lithium coin cell. The 25-byte RAM and 768-byte OTP are sufficient for state-machine control, button-debounce, and basic sleep-mode wake-up logic. The PIC16C5X family's low-power sleep mode reduces current draw between user interactions, extending battery life. The SSOP-20 package keeps the board footprint small for handheld enclosures. For ultra-low-power applications, consider migrating to PIC16LF54 or PIC12LF1840 for sub-microamp sleep currents.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16C54-XTE/SS — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16C54A-04/SS | PIC16C54C-04/SS | PIC16F54-I/SS | Z86E02 |
|---|---|---|---|---|---|
| Package | SSOP-20 | SSOP-20 - same | SSOP-20 - same | SSOP-20 - same | SSOP-20 - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Zilog |
| Program Memory | 768 B OTP (512 x 12) | 768 B OTP | 768 B OTP | 768 B Flash (reprogrammable) | OTP (Z8 core) |
| Max Clock Frequency | 4 MHz (XT grade) | 4 MHz (XT grade) | 4 MHz (XT grade) | 20 MHz (default) | 8 MHz (typical) |
| RAM | 25 B | 25 B | 25 B | 25 B | 61 B |
| I/O Pins | 12 | 12 | 12 | 12 | 14-23 (model-dependent) |
| Instruction Set | 33 (12-bit) | 33 (12-bit) | 33 (12-bit) | 33 (12-bit) | Z8 instruction set |
| Supply Voltage | 3.0 V to 6.0 V | 3.0 V to 6.0 V | 3.0 V to 6.0 V | 2.0 V to 5.5 V | 3.0 V to 5.5 V |
| Operating Temperature | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +85 C (industrial) | -40 C to +105 C |
| Memory Type | OTP EPROM (one-time) | OTP EPROM | OTP EPROM | Flash (in-circuit reprogrammable) | OTP (Z8 architecture) |
اہم امتیازی خصوصیات
- Lowest-cost 8-bit OTP MCU in Microchip's portfolio (بمقابلہPIC16F54-I/SS)
- Industry-standard PIC16C5X 33-instruction core with broad third-party support (بمقابلہZ86E02)
- Extended temperature grade (-40 C to +125 C) in SSOP-20 (بمقابلہPIC16C54C-04/SS)
ڈیزائن نوٹس
PIC16C5X is a Harvard-architecture OTP part with NO in-circuit reprogramming. Once programmed, the firmware is permanent. This makes the PIC16C54-XTE/SS inappropriate for prototyping or production designs that expect firmware field updates. For new designs where firmware iteration is expected, choose the flash-based PIC16F54-I/SS (same SSOP-20 footprint) or PIC16F54T-I/SS (tape-and-reel). For development with UV-erase capability, use the CERDIP PIC16C54/JW windowed part.
Decouple VDD (pin 14) to VSS (pin 5) with both a 100 nF ceramic capacitor (high-frequency noise) and a 10 uF tantalum or ceramic capacitor (bulk transient response), placed as close to the IC pins as possible. The PIC16C5X core draws brief current spikes during instruction fetches; insufficient decoupling can cause code-fetch errors or spurious resets. For battery applications, add a 100 ohm series resistor on MCLR (pin 4) to limit inrush current during power-up.
The 20-pin SSOP package has a 0.65 mm pitch and 5.30 mm body width - tight but standard for hand-soldering with proper technique. Use a fine-tip soldering iron (or hot air rework for prototypes) and no-clean flux. For production, solder paste stencil aperture is typically 0.40 mm wide x 2.0 mm long per pad. Route OSC1/OSC2 traces (pins 15/16) symmetrically to the crystal or resonator, with a ground guard ring around the oscillator area to reduce EMI injection into adjacent signal lines.
MCLR (pin 4) must be tied to VDD through a 10 kohm pull-up resistor for normal operation. If not used as a reset input, MCLR can be tied directly to VDD. The Watchdog Timer should be enabled in production firmware for unattended industrial applications to recover from electrical noise-induced firmware stalls. Configure the WDT prescaler to allow ~1-4 second timeout by clearing the PSA bit and setting the appropriate PS2:PS0 bits in the OPTION register.
تعمیل کی معلومات
Part is marked obsolete by Microchip; specific lot RoHS/REACH status is not confirmed in verified distributor data. Not AEC-Q100 qualified - not suitable for safety-relevant automotive applications. PIC16F18446 or dsPIC33 family should be used for AEC-Q100 automotive designs.