PIC14000T-20/SS - 8-Bit 20MHz 7KB OTP MCU | Microchip
MPN: PIC14000T-20/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.78 | $37.80 |
| 100 | $3.36 | $336.00 |
| 500 | $2.94 | $1,470.00 |
| 1,000 | $2.62 | $2,620.00 |
PIC14000T-20/SS Overview
A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, data RAM, and integrated peripherals such as timers, A/D converters, and communication interfaces. The PIC14 family sits between the baseline PIC10/12 series and the mid-range PIC16 family, offering a RISC instruction set, deterministic execution timing, and OTP or flash program memory for embedded control. Microcontrollers serve as the decision-making core of virtually every embedded product, replacing discrete logic with software-defined behavior.
Key features of the PIC14000T-20/SS include the 8-bit PIC RISC core, 7KB OTP program memory suitable for production-volume firmware, 192 bytes of data RAM for variable storage, a 20MHz clock providing 5 MIPS throughput, and an industrial-grade operating temperature range suitable for commercial embedded designs. The SSOP-28 package (5.30mm body width) provides a compact surface-mount footprint compatible with standard 0.65mm-pitch land patterns.
From a technical depth perspective, the PIC14000 integrates mixed-signal peripherals including A/D conversion channels and analog comparators alongside the digital core, making it suitable for sensor-interface and control applications. The OTP memory allows one-time programming during manufacturing, offering lower per-unit cost than flash for high-volume production runs.
Typical applications include industrial automation controllers, sensor signal conditioning, consumer electronics interfaces, motor control sub-systems, and mixed-signal embedded products. Its combination of analog and digital peripherals on one die simplifies BOM for cost-sensitive designs.
When designing with the PIC14000T-20/SS, ensure the development toolchain matches the OTP variant (PIC14000 OTP parts require a compatible programmer; firmware must be finalized before programming). Decoupling capacitors of 0.1uF should be placed close to VDD/VSS pairs to maintain analog performance.
This page synthesizes distributor stock, parametric specifications, drop-in replacement candidates, and practical design notes not consolidated on the manufacturer product page, providing an engineer-ready reference for sourcing and second-sourcing decisions.
Drop-in alternatives for PIC14000T-20/SS — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC14000T-20/SS (same form factor and footprint) — differing in Package, Core Architecture, Operating Temperature, Mounting Type, Program Memory Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC14000-20/SS
✅ Drop-In✓ In Stock
$3.78 / Unit
View Datasheet →PIC14000T-20I/SS
✅ Drop-In✓ In Stock
$4.55 / Unit
View Datasheet →PIC14000T-04/SS
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$2.32 / Unit
View Datasheet →PIC14000T-04I/SS
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$2.4 / Unit
View Datasheet →PIC14000T-20/SO
✅ Drop-In✓ In Stock
$3.85 / Unit
View Datasheet →PIC14000T-20/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 8-bit RISC |
| Instruction Set | 35 single-word instructions |
| Program Memory Type | OTP (One-Time Programmable) |
| Program Memory Size | 7 KB (4K x 14) |
| RAM Size | 192 bytes |
| Maximum Clock Frequency | 20 MHz |
| Instruction Execution Time | 200 ns (single cycle) |
| Data Bus Width | 8 bit |
| Supply Voltage (DC) | 5.00 V (typical), 6.00 V max |
| Package | 28-SSOP (5.30 mm body width, 0.65 mm pitch) |
| Mounting Type | Surface Mount (Gull Wing) |
| Terminal Count | 28 |
| Package Code | SSOP-28 |
| Temperature Grade | Commercial |
| Operating Temperature | 0C to +70C (commercial grade) |
| MIPS Performance | 5 MIPS at 20 MHz |
PIC14000T-20/SS Pin Configuration
| Pin 1 | RA0/AN0 — Port A bit 0 / Analog input 0 |
| Pin 2 | RA1/AN1 — Port A bit 1 / Analog input 1 |
| Pin 3 | RA2/AN2 — Port A bit 2 / Analog input 2 |
| Pin 4 | RA3/AN3 — Port A bit 3 / Analog input 3 |
| Pin 5 | RA4/AN4 — Port A bit 4 / Analog input 4 |
| Pin 6 | RA5/AN5 — Port A bit 5 / Analog input 5 |
| Pin 7 | RA6/OSC2 — Port A bit 6 / Oscillator output |
| Pin 8 | RA7/OSC1 — Port A bit 7 / Oscillator input |
| Pin 9 | VDD — Positive supply voltage |
| Pin 10 | VSS — Ground reference |
| Pin 11 | RB0/INT — Port B bit 0 / External interrupt |
| Pin 12 | RB1 — Port B bit 1 |
| Pin 13 | RB2 — Port B bit 2 |
| Pin 14 | RB3 — Port B bit 3 |
| Pin 15 | RB4 — Port B bit 4 |
| Pin 16 | RB5 — Port B bit 5 |
| Pin 17 | RB6 — Port B bit 6 |
| Pin 18 | RB7 — Port B bit 7 |
| Pin 19 | VSS — Ground reference |
| Pin 20 | VDD — Positive supply voltage |
| Pin 21 | RC0 — Port C bit 0 |
| Pin 22 | RC1 — Port C bit 1 |
| Pin 23 | RC2 — Port C bit 2 |
| Pin 24 | RC3 — Port C bit 3 |
| Pin 25 | RC4 — Port C bit 4 |
| Pin 26 | RC5 — Port C bit 5 |
| Pin 27 | RC6 — Port C bit 6 |
| Pin 28 | RC7 — Port C bit 7 |
Typical Applications
PIC14000T-20/SS is suitable for 6 applications: Industrial Automation Controllers, Sensor Signal Conditioning, Consumer Electronics Interfaces, Motor Control Sub-systems, Mixed-Signal Embedded Products, Educational and Development Platforms.
Industrial Automation Controllers
The PIC14000T-20/SS suits industrial automation controllers thanks to its 20MHz 8-bit RISC core and integrated mixed-signal peripherals on a single die. With 7KB of OTP program memory and 192 bytes of RAM, it executes deterministic 200ns single-cycle instructions that support real-time PLC sub-functions, sensor data acquisition, and actuator control loops. The 28-SSOP compact surface-mount package allows placement on dense control boards, while 5V typical supply voltage aligns with industrial 24V-to-5V regulated rails. Recommended companion parts: PIC14000T-20I/SS (industrial temp grade variant for harsh environments), MCP6002 (rail-to-rail op-amp for analog signal conditioning).
Recommended
Sensor Signal Conditioning
In sensor signal conditioning modules, the PIC14000T-20/SS provides the on-chip A/D conversion and computation to linearize, calibrate, and compensate transducer outputs at 5 MIPS throughput. Its mixed-signal integration reduces BOM by combining analog front-end sampling with digital filtering on the same die. With 192 bytes of RAM supporting moving-average filters and 7KB OTP storing calibration tables, the PIC14000T-20/SS enables cost-effective smart-sensor modules. The 28-SSOP package fits in tight sensor housing, and the 0.65mm pitch accepts standard SMT assembly. Recommended companion parts: MCP6002 (low-noise op-amp for sensor amplification), PIC14000T-20I/SS (industrial temp variant for outdoor sensors).
Recommended
Consumer Electronics Interfaces
The PIC14000T-20/SS serves consumer electronics interface hubs where low BOM cost and 20MHz processing power balance well against higher-end MCU alternatives. Its OTP program memory locks firmware at production, reducing per-unit cost for high-volume consumer products such as appliance control boards, remote-control base stations, and LED lighting controllers. The 35-instruction RISC set eases firmware development, and the SSOP-28 surface-mount package supports automated assembly. At 5V supply, the PIC14000T-20/SS integrates seamlessly into consumer mains-rectified 5V rails. Recommended companion parts: PIC12F1840-I/SN (companion 8-pin MCU for sub-functions), MCP1700 (3.3V LDO for ancillary circuits).
Recommended
Motor Control Sub-systems
The PIC14000T-20/SS is well suited to motor control sub-systems such as small DC, stepper, or BLDC driver stages where 5 MIPS performance supports PWM generation, current sensing, and closed-loop control algorithms. Its mixed-signal integration allows direct interface to current-sense amplifiers and Hall-effect sensors, while the 7KB OTP stores application-specific commutation tables. The 28-SSOP package offers thermal characteristics adequate for moderate power designs, and the deterministic 200ns instruction timing ensures jitter-free PWM output. Recommended companion parts: MCP1700 (3.3V LDO), MCP6002 (current-sense amplifier), PIC14000T-20I/SS (industrial temp variant for motor environments).
Recommended
Mixed-Signal Embedded Products
The PIC14000T-20/SS was designed for mixed-signal embedded products where analog and digital functions must coexist on one controller. With built-in A/D conversion, analog comparators, and an 8-bit CPU core, the device handles sensor interfacing, threshold detection, and digital control in a single chip. The 7KB OTP memory accommodates typical signal-processing firmware, and the 35-instruction RISC set simplifies code development. The SSOP-28 surface-mount package and 5V operation make it a drop-in candidate for legacy PIC14 designs or cost-sensitive new products. Recommended companion parts: PIC12LF1840-E/SN (low-power companion MCU), MCP6002 (precision op-amp).
Recommended
Educational and Development Platforms
The PIC14000T-20/SS is suitable for educational electronics platforms and microcontroller teaching labs, owing to its simple 35-instruction RISC architecture that lets students learn embedded programming fundamentals without complex instruction set overhead. The 7KB OTP program memory is sufficient for lab exercises in I/O control, timer programming, and basic A/D conversion. The 28-SSOP package is breadcrumb-compatible via breakout boards, and the 20MHz clock offers visible timing behavior on oscilloscopes. Educational deployments benefit from the PIC14 architecture's deterministic execution, making instruction-cycle behavior observable in real time. Recommended companion parts: PIC12F683-I/P (8-pin companion for student exercises), PIC14000T-20I/SS (industrial variant for advanced labs).
Recommended
Recommended Products Summary
Engineering reference data for PIC14000T-20/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC14000-20/SS | PIC14000T-20I/SS | PIC14000T-04/SS | PIC14000T-04I/SS | PIC14000T-20/SO |
|---|---|---|---|---|---|---|
| Package | 28-SSOP (5.30mm) | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SOIC - different land pattern |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Maximum Clock Frequency | 20 MHz | 20 MHz | 20 MHz | 4 MHz (-80%) | 4 MHz (-80%) | 20 MHz |
| Program Memory | 7 KB OTP (4K x 14) | 7 KB OTP | 7 KB OTP | 7 KB OTP | 7 KB OTP | 7 KB OTP |
| RAM Size | 192 bytes | 192 bytes | 192 bytes | 192 bytes | 192 bytes | 192 bytes |
| Temperature Grade | Commercial (0C to +70C) | Commercial | Industrial (-40C to +85C) | Commercial | Industrial (-40C to +85C) | Commercial |
| Instruction Execution Time | 200 ns | 200 ns | 200 ns | 1000 ns (-80%) | 1000 ns (-80%) | 200 ns |
| Supply Voltage (typical) | 5.0 V | 5.0 V | 5.0 V | 5.0 V | 5.0 V | 5.0 V |
| Instruction Set Size | 35 instructions | 35 instructions | 35 instructions | 35 instructions | 35 instructions | 35 instructions |
Key Differentiators
- Tape and reel packaging for high-volume SMT assembly (vs PIC14000-20/SS)
- Industrial temperature range variant available (vs PIC14000T-20I/SS)
- 20 MHz maximum clock for real-time control (vs PIC14000T-04/SS)
Design Notes
The PIC14000T-20/SS operates from a 5V typical supply with 6V absolute maximum. Place a 0.1uF decoupling ceramic capacitor close to each VDD/VSS pair (pins 9/10 and 19/20) to suppress digital switching noise. For mixed-signal accuracy, add a 10uF bulk capacitor near the analog supply rail and consider a ferrite bead between digital and analog VDD traces.
The 28-SSOP package has 0.65mm pitch - design the PCB land pattern per IPC-7351 nominal-density standards. Use solder mask-defined (SMD) pads rather than non-solder mask-defined (NSMD) for production reliability. Maintain at least 0.2mm clearance between copper traces and package leads to prevent solder bridging during reflow.
Do not attempt to reprogram the PIC14000T-20/SS after the OTP memory has been written - OTP supports only a single programming cycle. Ensure firmware is fully validated on equivalent flash-based PIC16F or PIC18F prototypes before committing to OTP production. Also verify the development toolchain (MPLAB X IDE, PICkit programmer) is configured for OTP target devices.
At 20MHz clock with all peripherals active, the PIC14000T-20/SS typically dissipates under 100mW - no heatsink is required for the SSOP-28 package. However, in enclosed designs with limited airflow, ensure the ambient temperature stays within the commercial 0C to +70C range. For higher-temperature deployments, switch to the PIC14000T-20I/SS industrial variant.
Compliance Information
RoHS and lead-free status was not confirmed in the verified distributor data; Microchip's PIC14000 family typically offers RoHS-compliant variants but specific orderable part number suffix must be verified before placing production orders. AEC-Q100 is not applicable - PIC14000T-20/SS is not an automotive-grade qualified part.
