PIC16F1508-I/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
PIC16F1508-I/P is an 8-bit PIC microcontroller from Microchip clocked at up to 20 MHz with 4096 words of Flash program memory. It integrates an ADC, DAC channels, and operates from a 2.3 V minimum supply in a 20-pin through-hole PDIP package. Suitable for cost-effective embedded control and sensor interface applications.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F1508-I/P Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit PIC16 core running at up to 20 MHz with 4096 words of in-system programmable Flash for flexible firmware updates in the field
- Integrated ADC and DAC channels enable mixed-signal designs that combine analog sensing with digital control in a single 20-pin PDIP device
- 2.3 V minimum operating supply at 16 MHz extends compatibility with low-voltage battery systems and 3.3 V regulated rails without additional level-shifting
Applications
The PIC16F1508-I/P is suited for low-cost embedded control applications such as appliance controllers, LED lighting drivers, and motor speed regulators where an 8-bit core at 20 MHz provides sufficient compute performance. Its combined ADC and DAC peripherals make it a strong fit for sensor conditioning, thermostat control, and analog feedback loops in industrial and consumer products. The 20-pin PDIP package supports rapid prototyping on breadboards and direct insertion into socketed production fixtures.
Specifications
| Manufacturer Package Code | PDIP-20 |
| Factory Lead Time | 6Weeks |
| YTEOL | 13 |
| Has ADC | YES |
| Additional Feature | OPERATES AT 2.3 V MINIMUM SUPPLY AT 16 MHZ |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC16 |
| Clock Frequency-Max | 20MHz |
| DAC Channels | YES |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDIP-T20 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 1 |
| Number of I/O Lines | 18 |
| Number of Serial I/Os | 1 |
| Number of Timers | 4 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP20,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 256 |
| ROM (words) | 7168 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 20MHz |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 2.5V |
| Supply Voltage-Nom | 3V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC16F1508-I/P:
RISC Microcontroller, 8-Bit, FLASH, PIC CPU, 20MHz, CMOS, PDIP20
14KB Flash, 512B RAM, 18 I/O, CLC, CWG, NCO, 10-bit ADC, 2.3V-5.5V
7KB Flash, 256B RAM, 18 I/O, CLC, CWG, NCO, 10-bit ADC, 2.3V-5.5V
RISC Microcontroller, 8-Bit, FLASH, PIC CPU, 20MHz, CMOS, PDSO20
Frequently Asked Questions
How much Flash program memory does the PIC16F1508-I/P provide, and how does this affect firmware complexity?
The PIC16F1508-I/P includes 4096 words of Flash memory, which is sufficient for moderately complex firmware including peripheral initialization, interrupt service routines, and application logic for tasks such as PID control loops, UART communication, and sensor averaging. Code beyond this capacity requires a larger-memory PIC variant from the same PIC16F family.
Can the PIC16F1508-I/P run from a 3.3 V system rail without a voltage regulator?
Yes. The device operates from a minimum supply of 2.3 V at up to 16 MHz and supports a full 20 MHz at higher supply voltages, making it directly compatible with 3.3 V regulated rails common in modern microcontroller systems. This avoids the need for a dedicated 5 V regulator in battery-powered and low-voltage industrial designs.
Which sensor-interface designs benefit from having both ADC and DAC channels on the PIC16F1508-I/P?
Closed-loop control systems such as temperature regulators, motor speed controllers, and light-level dimmers benefit from the on-chip ADC sampling a sensor output and the DAC providing an analog reference or control signal, all within a single 20-pin PDIP device. This integration eliminates external DAC and reference ICs, reducing BOM cost and simplifying PCB routing in space-constrained designs.
Why choose the PIC16F1508-I/P in a 20-pin PDIP for a prototyping project rather than a surface-mount variant?
The 20-pin PDIP package plugs directly into standard 0.1-inch breadboard sockets and DIP sockets without soldering, enabling rapid iteration on firmware and hardware simultaneously. Developers can swap devices, use ZIF programmer sockets, and probe all 20 pins with standard test clips, which significantly accelerates the early-stage development cycle compared to soldering fine-pitch surface-mount packages.
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