{"id":9384,"date":"2026-07-03T06:18:18","date_gmt":"2026-07-03T06:18:18","guid":{"rendered":"https:\/\/materialparts.com\/pic16f648a-i-so\/"},"modified":"2026-07-03T07:37:51","modified_gmt":"2026-07-03T07:37:51","slug":"pic16f648a-i-so","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/pic16f648a-i-so\/","title":{"rendered":"PIC16F648A-I\/SO"},"content":{"rendered":"

Productos<\/h2>\n

The PIC16F648A-I\/SO is an 8-bit microcontroller from Microchip Technology based on the PIC16 mid-range core, running at 20MHz with 4KB Flash program memory, 256 bytes SRAM, and 256 bytes EEPROM data memory. It features two analog comparators, a CCP module, and an enhanced USART with 9-bit address detection. Packaged in an 18-pin SOIC, the -I suffix indicates industrial temperature range (-40C to +85C).<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
N\u00facleo<\/td>\nPIC16 Mid-Range<\/td>\n<\/tr>\n
Max Frequency<\/td>\n20 MHz<\/td>\n<\/tr>\n
Flash Program Memory<\/td>\n4 KB (2048 words x 14-bit)<\/td>\n<\/tr>\n
SRAM<\/td>\n256 bytes<\/td>\n<\/tr>\n
EEPROM Data Memory<\/td>\n256 bytes<\/td>\n<\/tr>\n
I\/O Pins<\/td>\n16<\/td>\n<\/tr>\n
Comparators<\/td>\n2 (with internal voltage reference)<\/td>\n<\/tr>\n
Timer<\/td>\n3 (Timer0, Timer1, Timer2)<\/td>\n<\/tr>\n
Comunicaci\u00f3n<\/td>\n1x Enhanced USART (EUSART)<\/td>\n<\/tr>\n
CCP Module<\/td>\n1 (Capture, Compare, PWM)<\/td>\n<\/tr>\n
Tensi\u00f3n de alimentaci\u00f3n<\/td>\n2.0V to 5.5V<\/td>\n<\/tr>\n
Paquete<\/td>\n18-pin SOIC (7.5 x 3.9 mm)<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n-40C to +85C (Industrial)<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • 4KB Flash with 100,000 erase\/write cycle endurance<\/li>\n
  • 256 bytes EEPROM with 10,000,000 erase\/write cycle endurance<\/li>\n
  • Enhanced USART with 9-bit address detect for multi-drop serial<\/li>\n
  • Two analog comparators with programmable on-chip voltage reference<\/td>\n<\/tr>\n
  • CCP module for PWM, capture, and compare functions<\/li>\n
  • Wide operating voltage range 2.0V to 5.5V<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • Simple sensor interface and threshold detection<\/li>\n
    • Serial communication bridge (EUSART with address detect)<\/li>\n
    • Low-cost motor speed control (PWM via CCP)<\/li>\n
    • Battery-powered monitoring and control<\/li>\n
    • Replacement for discrete logic and 555 timer circuits<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The PIC16F648A-I\/SO is an 8-bit microcontroller from Microchip Technology based on the PIC16 mid-range core, running at 20MHz with 4KB Flash program memory, 256 bytes SRAM, and 256 bytes EEPROM data memory. It features two analog comparators, a CCP module, and an enhanced USART with 9-bit address detection. Packaged in an 18-pin SOIC, […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,51],"tags":[530],"chip_brand":[134],"class_list":["post-9384","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-optocouplers-photocouplers","tag-pic16f648a-i-so","chip_brand-microchip"],"acf":{"brief_explanation":"PIC16 8-bit MCU, 20MHz, 4KB Flash, 256B EEPROM, 2 comparators, EUSART, 18-SOIC, industrial","date_code":"25+","package_case":"18-pin SOIC (7.5 x 3.9 x 1.45 mm)","in_stock":12919,"datasheet":"https:\/\/ww1.microchip.com\/downloads\/en\/DeviceDoc\/40044F.pdf","price":"$1.60 @ 1ku","product_introduction":"The PIC16F648A-I\/SO is an 8-bit microcontroller from Microchip Technology with 4KB Flash, 256 bytes SRAM, and 256 bytes EEPROM in an 18-pin SOIC package. Running at 20MHz, it features two analog comparators with on-chip voltage reference, an enhanced USART with 9-bit address detection for multi-drop communication, and a CCP module for PWM\/capture\/compare. The wide 2.0V-5.5V operating range and industrial temperature grade make it suitable for battery-powered and industrial control applications.","working_principle":"The PIC16F648A-I\/SO is based on Microchip's PIC16 mid-range architecture with a 14-bit instruction word and 8-bit data path. The core executes instructions in a 4-clock cycle (1 instruction cycle = 4 oscillator cycles), achieving 5 MIPS at 20MHz. The 4KB Flash stores up to 2048 instructions with direct, indirect, and relative addressing modes. The 256 bytes of SRAM are organized as a register file with 32 special function registers (SFRs) and 224 general-purpose registers. The 256-byte EEPROM provides non-volatile data storage with 10M erase\/write cycles for calibration data and settings. The Enhanced USART supports asynchronous serial communication with auto-baud detection and 9-bit address mode for multi-node RS-485 networks. The two analog comparators can be configured with an internal 16-level voltage reference for threshold detection without external components. The CCP module generates PWM for motor control, captures timer values on external events, and compares timer values for precise output timing.","pin_description":"\n
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>\n
      1<\/td>RA2\/AN2\/VREF\/C1OUT<\/td>Bidirectional<\/td>Port A, analog input, VREF, comparator 1 output<\/td><\/tr>\n
      2<\/td>RA3\/AN3\/C1IN+\/C2IN+<\/td>Input<\/td>Port A, analog input, comparator inputs<\/td><\/tr>\n
      3<\/td>RA4\/T0CKI\/C1OUT<\/td>Bidirectional<\/td>Port A, Timer0 clock input, comparator output<\/td><\/tr>\n
      4<\/td>RA5\/MCLR\/VPP<\/td>Input<\/td>Master clear reset \/ programming voltage<\/td><\/tr>\n
      5-8<\/td>RB0-RB3<\/td>Bidirectional<\/td>Port B, interrupt-on-change, comparator inputs<\/td><\/tr>\n
      9-12<\/td>RB4-RB7<\/td>Bidirectional<\/td>Port B, interrupt-on-change, ICSP data\/clock<\/td><\/tr>\n
      13<\/td>RA6\/OSC2\/CLKOUT<\/td>Bidirectional<\/td>Oscillator output \/ clock output<\/td><\/tr>\n
      14<\/td>RA7\/OSC1\/CLKIN<\/td>Input<\/td>Oscillator input \/ external clock<\/td><\/tr>\n
      17<\/td>RA1\/T1OSO\/CCP2<\/td>Bidirectional<\/td>Timer1 oscillator output, CCP2<\/td><\/tr>\n
      18<\/td>RA0\/AN0\/C1IN-\/C2IN-<\/td>Bidirectional<\/td>Analog input, comparator negative inputs<\/td><\/tr>\n<\/table>","application_scenarios":"\n
      Application<\/th>Circuit Role<\/th>Key Requirement<\/th><\/tr>\n
      Serial Bridge<\/td>Multi-drop RS-485 node<\/td>EUSART 9-bit address, 256B EEPROM<\/td><\/tr>\n
      Battery Monitor<\/td>Voltage threshold detector<\/td>Comparators + VREF, 2V-5.5V<\/td><\/tr>\n
      Motor Speed Control<\/td>PWM fan controller<\/td>CCP PWM, 20MHz, 18-pin SOIC<\/td><\/tr>\n
      Sensor Interface<\/td>Analog signal threshold<\/td>2 comparators, internal VREF, EEPROM<\/td><\/tr>\n
      Logic Replacement<\/td>Discrete logic consolidation<\/td>16 I\/O, 4KB Flash, low cost<\/td><\/tr>\n<\/table>","alternative_models":"\n
      Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>\n
      PIC16F628A-I\/SO<\/td>Microchip<\/td>2KB Flash (half), no comparator VREF<\/td><\/tr>\n
      PIC16F887-I\/SO<\/td>Microchip<\/td>28-pin, 8KB Flash, 7 ADC channels<\/td><\/tr>\n
      PIC16F1829-I\/SO<\/td>Microchip<\/td>20-pin, 8KB Flash, Enhanced Mid-Range core<\/td><\/tr>\n
      ATTINY85-20SU<\/td>Microchip<\/td>AVR, 8KB Flash, 8-pin SOIC<\/td><\/tr>\n
      PIC12F1840-I\/SN<\/td>Microchip<\/td>8-pin, 4KB Flash, smaller package<\/td><\/tr>\n<\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/9384","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/comments?post=9384"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/9384\/revisions"}],"predecessor-version":[{"id":9412,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/9384\/revisions\/9412"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=9384"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=9384"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=9384"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=9384"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}