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Manufacturer Part #


PIC16F Series 1.75 kB Flash 64 B RAM 20 MHz 8-Bit Microcontroller - SSOP-20

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Mfr. Name: Microchip
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Product Specification Section
Technical Attributes
Attributes Table
Family Name: PIC16
Core Processor: PIC
Program Memory Type: Flash
Flash Size (Bytes): 1.75kB
RAM Size: 64B
Speed: 20MHz
No of I/O Lines: 18
Peripherals: Analog Comparators/PWM/Watchdog
Number Of Timers: 2
Supply Voltage: 2V to 5.5V
Operating Temperature: -40°C to +85°C
Watchdog Timers: 1
Package Style:  SSOP-20
Mounting Method: Surface Mount
Features & Applications
The PIC16F631T-I/SS is part of PIC16F mid-range family with a 8-Bit Microcontroller. It can sustain standard temperature ranges from -40°C to +125°C and has 20 pin in SSOP package. This device is lead free.
The Low Pin-count (20) PIC® Flash microcontroller products offer all of the advantages of the well recognized mid-range x14 architecture with standardized features including a wide operating voltage of 2.0-5.5 volts, on-board EEPROM Data Memory, and nanoWatt Technology.
  • High-Performance RISC CPU:
    • Only 35 Instructions to Learn
      •  All single-cycle instructions except branches
    • Operating Speed:
      • DC – 20 MHz oscillator/clock input
      • DC – 200 ns instruction cycle
  • Special Microcontroller Features:
  • Precision Internal Oscillator:
    • Factory calibrated to ± 1%
    • Software selectable frequency range of 8 MHz to 32 kHz
    • Software tunable
    • Two-Speed Start-up mode
    • Crystal fail detect for critical applications
    • Clock mode switching during operation for power savings
    • Power-Saving Sleep mode
    • Wide Operating Voltage Range (2.0 V-5.5 V) 
  • Peripheral Features:
    • 17 I/O Pins and 1 Input-Only Pin:
      • High current source/sink for direct LED drive
      • Interrupt-on-Change pin
      • Individually programmable weak pull-ups
      • Ultra Low-Power Wake-up (ULPWU)
    • Analog Comparator Module with:
      • Two analog comparators
      • Programmable on-chip voltage reference (CVREF) module (% of VDD)
      • Comparator inputs and outputs externally accessible
      • SR Latch mode
      • Timer 1 Gate Sync Latch
      • Fixed 0.6 V VREF
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