PIC16F877-20I/PT Microchip Technology, PIC16F877-20I/PT Datasheet - Page 631

• Manufacturer Part Number: PIC16F877-20I/PT
• Description: IC MCU FLASH 8KX14 EE 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F877-20I/PT

• Program Memory Type: FLASH
• Program Memory Size: 14KB (8K x 14)
• Package / Case: 44-TQFP, 44-VQFP
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 33
• Eeprom Size: 256 x 8
• Ram Size: 368 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 368 B
• Interface Type: MSSP/PSP/USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 33
• Number Of Timers: 3
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163022, DV164120
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT44PT3 - SOCKET TRAN ICE 44MQFP/TQFPAC164305 - MODULE SKT FOR PM3 44TQFP444-1001 - DEMO BOARD FOR PICMICRO MCUAC164020 - MODULE SKT PROMATEII 44TQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

31.3.5
1997 Microchip Technology Inc.
Crystal Start-up Time
These graphs show the start-up time that one should expect to see at the specified voltage level,
for a given crystal/capacitor combination.
Figure 31-28: Example Typical XTAL Start-up Time vs. V
Figure 31-29: Example Typical XTAL Start-up Time vs. V
Section 31. Device Characteristics
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
7
6
5
4
3
2
1
2.5
4.0
3.0
200 kHz, 15 pF/15 pF
4.5
8 MHz, 33 pF/33 pF
3.5
4.0
V
DD
V
32 kHz, 33 pF/33 pF
DD
(Volts)
5.0
(Volts)
4.5
20 MHz, 33 pF/33 pF
DD
DD
20 MHz, 15 pF/15 pF
8 MHz, 15 pF/15 pF
(LP Mode, 25 C)
(HS Mode, 25 C)
5.0
5.5
5.5
DS31031A-page 31-19
6.0
6.0
31