PIC16C54AT-10I/SO - 8-bit OTP MCU, 10MHz, 768B | Microchip
MPN: PIC16C54AT-10I/SO ✗ اختتامِ زندگیPIC16C54AT-10I/SO جائزہ
A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory, working RAM, and configurable peripherals. The PIC16C5x architecture uses a RISC-style Harvard design with a 12-bit-wide instruction word, providing predictable single-cycle execution on most instructions and enabling compact code density roughly twice that of competing 8-bit MCUs of its era.
Key features of the PIC16C54AT-10I/SO include a 10 MHz maximum operating frequency, 2.5V to 6.0V supply range (5V typical), Power-On Reset (POR), Watchdog Timer (WDT) with on-chip RC oscillator, and a programmable code-protection bit. The 'I' suffix denotes the industrial -40C to +85C operating temperature range, and the 'A' revision indicates the enhanced silicon with improved peripherals and lower power versus the original PIC16C54.
This part targets cost-sensitive embedded applications where deterministic execution, small code footprint, and a familiar PIC ecosystem matter more than raw MIPS. With 33 single-word instructions and a 2-level hardware stack, the PIC16C54A is well suited to glue logic replacement, simple sensor reading, and human-interface tasks in white goods, HVAC controls, and legacy industrial equipment.
Typical applications include appliance control boards, simple timer/sequencer modules, low-end keypad/LED front panels, and battery-backed sensor nodes. The 18-SOIC footprint is industry-standard, easing hand-prototyping and field replacement.
When designing with the PIC16C54AT-10I/SO, note that OTP memory cannot be reprogrammed in-circuit - for development cycles, choose the PIC16F54 (Flash) or PIC16C54A-JW (windowed EPROM) instead. Always place a 0.1 uF decoupling capacitor within 5 mm of VDD, and ensure the MCLR pin (pin 4) has a valid high-to-low reset pulse at power-up.
This page synthesizes distributor pricing, drop-in alternatives in the 18-SOIC footprint, and practical design notes not aggregated in the manufacturer datasheet.
کے لیے ڈراپ اِن متبادل PIC16C54AT-10I/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 PIC16C54AT-10I/SO (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Program Memory Type, Timers, Core Architecture, Operating Temperature Range.
PIC16C54AT-10/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C54A-10I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C54A-10/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F54-I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C54-10/SO
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C54A-04/SO
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C54AT-10I/SO زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | PIC16 (8-bit Harvard RISC) |
| Program Memory Type | OTP EPROM |
| Program Memory Size | 768 B (512 x 12-bit words) |
| RAM Size | 25 B |
| Data EEPROM | Not present |
| Maximum CPU Frequency | 10 MHz |
| Supply Voltage (VDD) | 2.5 V to 6.0 V (5 V typical) |
| I/O Pins | 12 |
| Timers | 1 x 8-bit TMR0 with 8-bit prescaler |
| Watchdog Timer (WDT) | Yes, with on-chip RC oscillator |
| Power-On Reset (POR) | Yes |
| ADC | None |
| Hardware Stack | 2 levels |
| Instruction Set Size | 33 single-word instructions (12-bit) |
| آپریٹنگ درجہ حرارت رینج | -40 C to +85 C (industrial) |
| پیکیج | 18-SOIC (SO) wide body, 300 mil |
| ماؤنٹنگ ٹائپ | Surface Mount |
| Lead-Free / RoHS | Lead-free finish available; RoHS status varies by shipment (verify at order) |
PIC16C54AT-10I/SO پن کنفیگریشن
| پن 1 | RA2 — Bidirectional I/O port A bit 2 |
| پن 2 | RA3 — Bidirectional I/O port A bit 3 |
| پن 3 | RTCC — TMR0 clock input / RA4 shared I/O |
| پن 4 | MCLR — Master Clear reset (active low); programming voltage input |
| پن 5 | VSS — Ground reference |
| پن 6 | RB0 — Bidirectional I/O port B bit 0 |
| 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; ICSP serial clock |
| پن 13 | RB7 — Bidirectional I/O port B bit 7; ICSP serial data |
| پن 14 | VDD — Positive supply, 2.5 V to 6.0 V |
| پن 15 | OSC2 / CLKOUT — Oscillator output / Fosc/4 clock output |
| پن 16 | OSC1 / CLKIN — Oscillator input / external clock input |
| پن 17 | RA0 — Bidirectional I/O port A bit 0 |
| پن 18 | RA1 — Bidirectional I/O port A bit 1 |
عام استعمالات
PIC16C54AT-10I/SO کے لیے موزوں ہے 6 ایپلیکیشنs: Appliance Control Boards, Simple Sensor Readout Nodes, Glue-Logic Replacement, HVAC and Thermostat Controllers, Simple Timer / Sequencer Modules, Keypad / LED Front Panels.
Appliance Control Boards
The PIC16C54AT-10I/SO's 768 B OTP program memory and 12 I/O pins comfortably handle the relay-driving, button-scanning, and LED-indicator logic typical of washing-machine, dishwasher, and microwave front panels. Its 10 MHz execution rate provides roughly 2.5 MIPS - more than enough for 1 ms keypad debounce loops and TRIAC phase-control interrupts. The industrial -40 to +85 C rating covers under-cabinet appliance environments, while the 18-SOIC footprint enables single-sided PCBs with hand-solder-friendly pads. Compared to a 16-pin competitor MCU, the extra 2 I/O pins allow direct drive of a 7-segment display plus status LEDs without a shift register, reducing BOM cost.
تجویز کردہ
Simple Sensor Readout Nodes
For temperature, humidity, or contact-closure sensor endpoints that sample slowly and transmit over UART or simple wire-protocol, the PIC16C54AT-10I/SO's 10-bit-accurate RTCC timer-based sampling plus 25 bytes RAM comfortably holds averaging buffers. Its 2.5-6.0 V supply range is compatible with 3.3 V sensors and 5 V legacy buses without level shifters. The 8-bit TMR0 with prescaler supports long 1-second wake intervals using a 32.768 kHz external timebase, achieving microamp average current for battery-backed thermostats. The 18-SOIC footprint is larger than TSSOP-20 alternatives, but the wide SO pads ease hand-rework during field maintenance.
تجویز کردہ
Glue-Logic Replacement
When replacing legacy 74HC-series gate arrays or discrete timing circuits, a single PIC16C54AT-10I/SO can implement the equivalent of four or five 74HC packages in one 18-SOIC IC, shrinking PCB area and improving noise immunity. The 33-instruction PIC16C5x set is learned in an afternoon, allowing rapid port of simple state machines. With 12 I/O pins the chip can replace up to 12 logic outputs, including latched or sequenced patterns that would require discrete flip-flops. The OTP memory ensures firmware is locked at production, preventing field tampering with timing-critical security or access-control logic.
تجویز کردہ
HVAC and Thermostat Controllers
The PIC16C54AT-10I/SO's industrial -40 to +85 C rating and 5 V tolerance make it well suited for HVAC damper actuators, fan-speed controllers, and basic thermostat readouts. Its 768 B program memory handles proportional control loops and EEPROM-emulation routines for setpoint storage in unused OTP regions. The on-chip Watchdog Timer prevents lockup in unattended equipment, and the Power-On Reset ensures deterministic startup after brownouts common on long compressor loads. The 18-SOIC package tolerates conformal coating for humid attic installations.
تجویز کردہ
Simple Timer / Sequencer Modules
Delay-on-make, delay-on-break, and multi-stage sequence controllers traditionally built from 555 timers and CMOS counters can be consolidated into one PIC16C54AT-10I/SO, cutting part count by 60-80 percent. The TMR0 with prescaler yields timing from 50 microseconds to several minutes without external RC networks, improving accuracy and temperature stability. The 12 I/O lines accommodate up to 8 sequenced outputs plus 4 enable/trigger inputs. OTP programming locks the timing parameters at production, preventing end-user tampering with safety-critical delays.
تجویز کردہ
Keypad / LED Front Panels
4x4 matrix keypads and 7-segment LED displays are typically scanned at 100-200 Hz with de-bounce - the PIC16C54AT-10I/SO's 10 MHz execution rate handles this with CPU to spare for menu logic and indicator LEDs. Its 12 I/O pins drive a 4x4 keypad (8 lines) plus two 7-segment digits (with external BCD decoder) or eight discrete LEDs. The PIC16C5x's predictable single-cycle instruction timing simplifies meeting display-multiplexing duty-cycle requirements without flicker. Industrial temperature grade supports outdoor kiosk and parking-meter front panels.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16C54AT-10I/SO — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16C54AT-10/SO | PIC16C54A-10I/SO | PIC16C54A-10/SO | PIC16F54-I/SO | PIC16C54-10/SO | PIC16C54A-04/SO |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 18-SOIC (SO) wide body | 18-SOIC (SO) wide body | 18-SOIC (SO) wide body | 18-SOIC (SO) wide body | 18-SOIC (SO) wide body | 18-SOIC (SO) wide body | 18-SOIC (SO) wide body |
| Program Memory Type | OTP EPROM | OTP EPROM | OTP EPROM | OTP EPROM | Flash (reprogrammable) | OTP EPROM | OTP EPROM |
| Program Memory Size | 768 B (512 x 12) | 768 B (512 x 12) | 768 B (512 x 12) | 768 B (512 x 12) | 768 B (512 x 12) | 768 B (512 x 12) | 768 B (512 x 12) |
| RAM Size | 25 B | 25 B | 25 B | 25 B | 25 B | 25 B | 25 B |
| Maximum CPU Frequency | 10 MHz | 10 MHz | 10 MHz | 10 MHz | 20 MHz | 10 MHz | 4 MHz |
| Operating Temperature | -40 C to +85 C (industrial) | 0 C to +70 C (commercial) | -40 C to +85 C (industrial) | 0 C to +70 C (commercial) | -40 C to +85 C (industrial) | 0 C to +70 C (commercial) | 0 C to +70 C (commercial) |
| Lifecycle Status | NRND (Not Recommended for New Designs) | NRND | NRND | NRND | Active | NRND / Obsolete | NRND |
| Drop-In Suitable for New Designs | No (NRND) | No (NRND) | No (NRND) | No (NRND) | Yes (Flash, active) | No (older revision) | No (slower, NRND) |
اہم امتیازی خصوصیات
- Industrial -40 to +85 C temperature range vs commercial-only alternatives (بمقابلہPIC16C54AT-10/SO)
- Flash reprogrammability for development and field updates (بمقابلہPIC16F54-I/SO)
- Established 33-instruction PIC16C5x toolchain and broad design heritage (بمقابلہGeneric 8051 competitors)
ڈیزائن نوٹس
Estimated: PIC16C54AT-10I/SO running from 5.0 V at 10 MHz with all 12 I/O outputs unloaded draws approximately 2.5-5 mA. Add a 0.1 uF ceramic decoupling capacitor within 5 mm of VDD (pin 14) and VSS (pin 5), and a bulk 10 uF aluminum or tantalum at the board supply input. If the design sleeps via TMR0, verify sleep current by measuring the actual part - the on-chip WDT contributes a few microamps.
MCLR (pin 4) is a Master Clear input that requires a valid high level for normal operation. If left floating, the part will randomly reset in noisy environments. Tie MCLR to VDD through a 10 kohm resistor and provide a 0.1 uF decoupling cap to VDD to ensure clean Power-On Reset behavior. For ICSP programming, MCLR is raised to ~13 V - ensure the cap does not slow the rise time beyond programmer specs.
Place the decoupling capacitor as close as physically possible to VDD (pin 14) and VSS (pin 5). Use a 4-layer PCB with a dedicated ground plane for noise-sensitive analog designs; the PIC16C54A's PIC16C5x core is mostly digital, but the watchdog RC oscillator couples to VDD if routing crosses noisy I/O traces. Keep the crystal or resonator leads short and surrounded by a ground guard ring if oscillator stability is critical.
تعمیل کی معلومات
RoHS and lead-free status varies by shipment date - verify on distributor product page at order time. The PIC16C5x OTP family is not AEC-Q100 qualified; for automotive applications use AEC-Q100-qualified PIC16F variants.
