| Parameters | 
                                                                                                            
                                            | Has ADC | YES | 
                                                                            
                                            | DMA Channels | NO | 
                                                                            
                                            | Data Bus Width | 8b | 
                                                                            
                                            | PWM Channels | YES | 
                                                                            
                                            | Number of Timers/Counters | 3 | 
                                                                            
                                            | ROM (words) | 4096 | 
                                                                            
                                            | EEPROM Size | 128 x 8 | 
                                                                            
                                            | CPU Family | PIC | 
                                                                            
                                            | Number of ADC Channels | 8 | 
                                                                            
                                            | Number of I2C Channels | 1 | 
                                                                            
                                            | Height | 2.1mm | 
                                                                            
                                            | Length | 10.1mm | 
                                                                            
                                            | Width | 10.1mm | 
                                                                            
                                            | Radiation Hardening | No | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                            
                                            | Lead Free | Lead Free | 
                                                                            
                                            | Factory Lead Time | 6 Weeks | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 44-QFP | 
                                                                            
                                            | Surface Mount | YES | 
                                                                            
                                            | Number of Pins | 44 | 
                                                                            
                                            | Operating Temperature | 0°C~70°C TA | 
                                                                            
                                            | Packaging | Tray | 
                                                                            
                                            | Published | 1997 | 
                                                                            
                                            | Series | PIC® 16F | 
                                                                            
                                            | JESD-609 Code | e3 | 
                                                                            
                                            | Pbfree Code | yes | 
                                                                            
                                            | Part Status | Active | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 3 (168 Hours) | 
                                                                            
                                            | Number of Terminations | 44 | 
                                                                            
                                            | ECCN Code | EAR99 | 
                                                                            
                                            | Terminal Finish | Matte Tin (Sn) | 
                                                                            
                                            | Subcategory | Microcontrollers | 
                                                                            
                                            | Max Power Dissipation | 1W | 
                                                                            
                                            | Technology | CMOS | 
                                                                            
                                            | Terminal Position | QUAD | 
                                                                            
                                            | Terminal Form | GULL WING | 
                                                                            
                                            | Peak Reflow Temperature (Cel) | 260 | 
                                                                            
                                            | Supply Voltage | 5V | 
                                                                            
                                            | Frequency | 20MHz | 
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 40 | 
                                                                            
                                            | Base Part Number | PIC16F874 | 
                                                                            
                                            | Pin Count | 44 | 
                                                                            
                                            | Supply Voltage-Max (Vsup) | 5.5V | 
                                                                            
                                            | Power Supplies | 5V | 
                                                                            
                                            | Supply Voltage-Min (Vsup) | 4.5V | 
                                                                            
                                            | Interface | I2C, SPI, UART, USART | 
                                                                            
                                            | Memory Size | 7kB | 
                                                                            
                                            | Oscillator Type | External | 
                                                                            
                                            | Number of I/O | 33 | 
                                                                            
                                            | RAM Size | 192 x 8 | 
                                                                            
                                            | Voltage - Supply (Vcc/Vdd) | 4V~5.5V | 
                                                                            
                                            | uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | 
                                                                            
                                            | Core Processor | PIC | 
                                                                            
                                            | Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | 
                                                                            
                                            | Program Memory Type | FLASH | 
                                                                            
                                            | Core Size | 8-Bit | 
                                                                            
                                            | Program Memory Size | 7KB 4K x 14 | 
                                                                            
                                            | Connectivity | I2C, SPI, UART/USART | 
                                                                            
                                            | Supply Current-Max | 20mA | 
                                                                            
                                            | Bit Size | 8 | 
                                                                            
                                            | Data Converter | A/D 8x10b | 
                                                                            
                                            | Watchdog Timer | Yes | 
                                                                            
                                            | Access Time | 20 μs | 
                                                                                                    
                            
                         
                                                PIC16F874-20/PQ Overview
It is available in the 44-QFP package for the benefit of saving space. Mounted using Surface Mount. It comes in a Tray package. With a processor of PIC cores, the device is powered. The temperature should be kept at 0°C~70°C TA while working. Memory type FLASH is used for program memory. It has a number of 33I/Os. It has a part number of PIC16F874 that can be used to locate similar components. At QUAD, its terminals are located. There are a total of 44 terminations in it. This electrical component is part of the PIC? 16F series. Using the 5V supply voltage allows for high efficiency. UPs/UCS/Peripheral ICs of this gadget are MICROCONTROLLER, RISC in order to monitor their performance. A total of 44 pins are required to construct this device. A total of 44 pins are attached to it. It belongs to the subcategory Microcontrollers. The devices have a memory size of 7kB that can be used to store programs and data. The maximum supply current is 20mA. It is powered by a 5V?source. This device works well at 20MHz frequency when it is operating at a high rate of efficiency. The number of timers and counters is 3. PIC CPUs are included in this part. Normally, the supply voltage (Vsup) should remain above 4.5V. Using a External oscillator type, it works well. 
PIC16F874-20/PQ Features
44-QFP package
Mounting type of Surface Mount
Microcontrollers subcategory
PIC16F874-20/PQ Applications
There are a lot of Microchip Technology PIC16F874-20/PQ Microcontroller applications. 
- X-ray
- Projector
- Instrument control
- Data acquisition and control
- Radio
- Magnetic resonance imaging (MRI)
- Heart rate monitors
- PDAs, game consoles
- Firewalls
- Hand-held metering systems