PIC16F753T-I/ST - 8-Bit MCU, 3.5KB Flash, 14-TSSOP | Microchip
MPN: PIC16F753T-I/ST ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.62 | $1.62 |
| 10 | $1.46 | $14.60 |
| 100 | $1.3 | $130.00 |
| 500 | $1.17 | $585.00 |
| 1,000 | $1.05 | $1,050.00 |
| 2,500 | $0.94 | $2,350.00 |
PIC16F753T-I/ST Overview
A microcontroller (MCU) is a single-chip computer containing a CPU, non-volatile program memory (Flash), working RAM, and a range of peripheral IP blocks such as ADC, timers, comparators, and communication peripherals. The PIC16F753 belongs to Microchip's PIC® 16F sub-family positioned between 8-pin baseline parts and higher-pin PIC18/dsPIC parts, used widely in cost-sensitive consumer, appliance, lighting, and industrial sensor applications where minimal BOM and on-chip analog integration matter more than absolute compute throughput.
Key integrated peripherals include one operational amplifier, two high-speed analog comparators (50 ns propagation delay), one Capture/Compare/PWM (ECCP) module, an 8-channel 10-bit ADC with internal voltage reference, one dual-range 9-bit DAC, an internal 8 MHz oscillator, and support for an external 32 kHz secondary oscillator. Brown-out Reset (BOR), Power-On Reset (POR), a Watchdog Timer (WDT) with its own on-chip low-power oscillator, and an In-Circuit Serial Programming (ICSP) interface are also provided.
The architecture is based on a 14-bit instruction word with a hardware stack and an interrupt controller; the enhanced mid-range core adds hardware-context save on interrupt entry/exit, reducing ISR overhead. The internal 8 MHz oscillator is factory calibrated and paired with a Phase-Locked Loop giving selectable 8/16/32/500 kHz LF operating modes for low-power sleep operation, allowing the designer to trade throughput against quiescent current.
Typical applications include LED lighting drivers, battery chargers, sensor signal conditioning, small BLDC/PWM motor control loops, and white-goods user interface boards. The internal op-amp and comparators remove the need for external analog front-ends, while the 9-bit DAC allows slope compensation in switch-mode and Li-ion charging topologies without external references.
When designing with this part, choose decoupling per Microchip AN576 (one 100 nF plus one bulk cap per VDD pin) and respect the 14-pin TSSOP's 1.0 mm pitch reflow profile to avoid tombstoning during reflow. If a 20-pin variant is preferred for additional I/O, the PIC16F767/777 family drops in with the same peripheral set.
Drop-in alternatives for PIC16F753T-I/ST — 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 PIC16F753T-I/ST (same form factor and footprint) — differing in Comparators, Package, ADC, Core Architecture, I/O Pins.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F753-I/ST
✅ Drop-In✓ In Stock
$0.92 / Unit
View Datasheet →PIC16F753-E/ST
✅ Drop-In✓ In Stock
$1.22 / Unit
View Datasheet →PIC16F753-I/SL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.02 / Unit
View Datasheet →PIC16F753T-I/ST Maximum Ratings & Electrical Characteristics
| Core | PIC16 enhanced mid-range 8-bit RISC |
| Instruction Set Size | 35 single-word instructions |
| Program Memory (Flash) | 3.5 KB (2K x 14) |
| RAM | 128 bytes |
| Max CPU Speed | 20 MHz (200 ns instruction cycle) |
| Internal Oscillator | 8 MHz calibrated |
| Operating Voltage | 2.0 V to 5.5 V |
| Operating Temperature | -40C to +85C (industrial, I grade) |
| ADC | 8-channel, 10-bit |
| DAC | 1 x 9-bit dual-range |
| Comparators | 2 x high-speed (50 ns propagation delay) |
| Operational Amplifier | 1 x on-chip |
| PWM / CCP | 1 x Enhanced CCP (ECCP) |
| Watchdog Timer | Yes, with dedicated low-power oscillator |
| Brown-out Reset / POR | Yes |
| Programming Interface | ICSP (In-Circuit Serial Programming) |
| Package | 14-pin TSSOP (4.4 mm body, 1.0 mm pitch) |
| Mounting Type | Surface Mount (Tape & Reel, -T suffix) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC16F753T-I/ST Pin Configuration
| Pin 1 | RA0/AN0/C1IN+/ICSPCLK — Bidirectional I/O / Analog input 0 / Comparator 1 non-inverting / ICSP clock |
| Pin 2 | RA1/AN1/C1IN-/VREF-/ICSPI — Bidirectional I/O / Analog input 1 / Comparator 1 inverting / VREF- / ICSP I/O |
| Pin 3 | RA2/AN2 — Bidirectional I/O / Analog input 2 |
| Pin 4 | RA3/MCLR/VPP — Bidirectional I/O / Master Clear reset (active low) / Programming voltage |
| Pin 5 | RA4/AN3/T0CKI/C1OUT — Bidirectional I/O / Analog input 3 / Timer0 clock input / Comparator 1 output |
| Pin 6 | VSS — Ground reference |
| Pin 7 | RA5/AN4/C2IN+/DAC/VREF+ — Bidirectional I/O / Analog input 4 / Comparator 2 non-inverting / DAC output / VREF+ |
| Pin 8 | RA6/AN5/OSC2/CLKOUT — Bidirectional I/O / Analog input 5 / Crystal out / Clock out |
| Pin 9 | RA7/AN6/OSC1/CLKIN — Bidirectional I/O / Analog input 6 / Crystal in / Clock in |
| Pin 10 | RC0/AN8/C2IN-/INT/COG — Bidirectional I/O / Analog input 8 / Comparator 2 inverting / External interrupt / PWM |
| Pin 11 | RC1/SDO/COG — Bidirectional I/O / SPI data out / PWM |
| Pin 12 | RC2/CCP1/P1A/COG — Bidirectional I/O / Capture/Compare/PWM / PWM output / PWM |
| Pin 13 | RC3/AN7/COG/OPA1IN+ — Bidirectional I/O / Analog input 7 / PWM / Op-amp 1 non-inverting input |
| Pin 14 | VDD — Positive supply voltage (2.0 V to 5.5 V) |
Typical Applications
PIC16F753T-I/ST is suitable for 7 applications: LED Lighting Drivers, Battery Charger / Fuel-Gauge Front-End, Sensor Signal Conditioning, Small BLDC / Fan Motor PWM Control, White Goods / User Interface Boards, Industrial Sensor / Process Controller, Consumer Remote Control / IR Emitter.
LED Lighting Drivers
The PIC16F753T-I/ST is well-suited for LED lighting drivers because its integrated 10-bit ADC, on-chip op-amp, and Enhanced CCP (ECCP) PWM module eliminate external driver ICs. The 9-bit dual-range DAC enables closed-loop current control via analog peak-current-mode regulation, while the 32 kHz LF oscillator reduces standby consumption below 1 uA for ENERGY STAR-compliant standby. With 3.5 KB Flash and 128 B RAM, it handles color-mixing firmware and DMX or 0-10 V dimming inputs in a single 14-TSSOP device.
Recommended
Battery Charger / Fuel-Gauge Front-End
For Lithium-ion and NiMH charger designs, the PIC16F753T-I/ST integrates the two high-speed comparators (50 ns) needed for slope compensation and current-sense peak detection, plus the 9-bit DAC that sets the charge-current reference. The internal 8 MHz oscillator with PLL supports accurate ADC sampling of battery voltage and current at 20 MHz CPU speed. Its -40C to +85C industrial range covers the thermal envelope of sealed charger bays.
Recommended
Sensor Signal Conditioning
The PIC16F753T-I/ST replaces a discrete analog front-end (op-amp + comparator + MCU) by integrating one on-chip op-amp, two high-speed comparators, an 8-channel 10-bit ADC, and a 9-bit DAC. Thermocouple, thermistor, photodiode, and strain-gauge signal conditioning is feasible with the on-chip op-amp providing reference-scaled gain before the ADC. The 3.5 KB Flash holds calibration tables while the 128 B RAM provides working space for moving-average filtering.
Recommended
Small BLDC / Fan Motor PWM Control
The PIC16F753T-I/ST's Enhanced CCP (ECCP) module with complementary PWM outputs drives half-bridge and full-bridge low-voltage motor drivers for small BLDC fans, pumps, and stepper coils. Hardware shutdown on overcurrent events uses one of the 50 ns comparators referenced to a sense resistor; the other comparator can be reused as BEMF zero-cross detection for sensorless trapezoidal commutation. At 20 MHz instruction rate, the firmware control loop has 200 ns tick resolution.
Recommended
White Goods / User Interface Boards
In washing machines, dishwashers, and ovens, the PIC16F753T-I/ST serves as a keypad/LED driver slave MCU taking the load off a larger host CPU. The 9-bit DAC and 10-bit ADC digitize rotary-knob positions and temperature probes, while the ECCP generates tone/sounder drives. With industrial-grade -40C to +85C operation and a 14-TSSOP package, it fits behind the control panel with standard reflow profile and supports ICSP over a 5-pin header for production line programming.
Recommended
Industrial Sensor / Process Controller
The PIC16F753T-I/ST provides a small-footprint control node for industrial 4-20 mA loops and discrete-binary sensor aggregators. Its 2.0-5.5 V supply range accepts 24 V industrial rails with a simple LDO pre-regulator, and its comparators act as threshold detectors for fast signal edges without software polling. With BOR, POR, and a dedicated Watchdog Timer on its own low-power oscillator, the part meets typical IEC 61010 industrial reliability requirements for a 14-pin TSSOP decentralized controller.
Recommended
Consumer Remote Control / IR Emitter
The PIC16F753T-I/ST can drive an IR LED via its ECCP PWM with carrier frequency up to 20 MHz CPU clock driving precise 38 kHz modulation. The internal 8 MHz oscillator with PLL maintains stable timing during 2.0-5.5 V battery droop, and the 9-bit DAC provides intensity control for bidirectional IR or as a temperature reference for the internal sensor. Low-power 32 kHz LF mode extends coin-cell life in remote controls.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F753T-I/ST — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F753-I/ST | PIC16F753-E/ST | PIC16F753-I/SL |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology (same) | Microchip Technology (same) | Microchip Technology (same) |
| Package | 14-TSSOP (4.4 mm, 1.0 mm pitch) | 14-TSSOP - same | 14-TSSOP - same | 14-SOIC - same pin count, wider body |
| Program Memory (Flash) | 3.5 KB (2K x 14) | 3.5 KB | 3.5 KB | 3.5 KB |
| RAM | 128 bytes | 128 bytes | 128 bytes | 128 bytes |
| Max CPU Clock | 20 MHz (200 ns) | 20 MHz | 20 MHz | 20 MHz |
| Operating Voltage | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
| Operating Temperature Grade | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E extended) | -40C to +85C (I) |
| Shipping Packaging | Tape & Reel (T suffix) | Tube (no -T) | Tube | Tube |
Key Differentiators
- Pin-to-pin TSSOP with extended temperature grade (vs PIC16F753-E/ST)
- Tape-and-reel mass-production packaging (vs PIC16F753-I/ST)
- Wider body SOIC for hand-solder prototyping (vs PIC16F753-I/SL)
Design Notes
Per Microchip application note AN576 (Decoupling and PCB Layout for PICmicro MCUs), place a 100 nF X7R ceramic decoupling capacitor as close as possible to the VDD pin with the trace going to the IC directly (no via between pad and capacitor). Add a 1-10 uF bulk tantalum or ceramic cap on the same power rail to source switching transients from the ECCP PWM and internal ADC reference. The 14-TSSOP 1.0 mm pitch requires standard reflow profile (per IPC JEDEC J-STD-020), but layout the package with 0.4 mm-wide traces to avoid solder bridging.
The PIC16F753T-I/ST has NO true Data EEPROM according to the PIC16F753 datasheet; for non-volatile storage of calibration or running values, use the Flash self-write feature with row-erase discipline and apply wear-leveling in firmware. Mishandling MCLR (RA3 pin) as plain I/O without proper in-circuit programming access can brick the part - always provide a guarded ICSP header (5-pin: VPP, VDD, VSS, ICSPCLK, ICSPDAT) on prototype boards or a guarded test pad on production boards.
The integrated 8 MHz HFINTOSC is factory calibrated; for applications needing accurate RS-232 baud rates or PWM frequency stability, switch to an external 20 MHz crystal on RA6/RA7 (OSC2/OSC1). Estimated: with all peripherals enabled the typical active current consumption is below 2 mA at 5 V and 20 MHz, while LFINTOSC sleep with WDT off can fall below 1 uA - always verify against the data sheet's Electrical Characteristics table for your specific code execution profile.
When using the on-chip op-amp or comparator inputs as analog signals, keep digital traces at least 5 mm away on the same layer and stitch a ground guard ring around sensitive analog nodes to reduce noise coupling from RA5/MCLR digital transitions. The internal voltage reference is shared with the 10-bit ADC and 9-bit DAC - if high-precision measurements are required, buffer the reference at the VREF pin with a low-impedance external op-amp follower (e.g., MCP6001) and avoid switching high-current loads during ADC conversion windows.
Compliance Information
RoHS compliant per Microchip product page. Industrial -40C to +85C grade (I); extended -40C to +125C grade (E) also available. Not AEC-Q100 automotive qualified.
