PIC16F872-E/SS Microchip Technology, PIC16F872-E/SS Datasheet - Page 628

• Manufacturer Part Number: PIC16F872-E/SS
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,SSOP,28PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F872-E/SS

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 3.5KB (2K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-SSOP
• Package: 28SSOP
• Device Core: PIC
• Family Name: PIC16
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 22
• Interface Type: I2C/SPI
• On-chip Adc: 5-chx10-bit
• Number Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PICmicro MID-RANGE MCU FAMILY
Figure 31-24: Example Typical RC Oscillator Frequency vs. V
Table 31-1: Example RC Oscillator Frequencies
DS31031A-page 31-16
The percentage variation indicated here is part to part variation due to normal process distri-
bution. The variation indicated is 3 standard deviation from average value for V
100 pF
300 pF
22 pF
C
EXT
1000
900
800
700
600
500
400
300
200
100
0
2.5
3.0
R
100k
100k
100k
3.3k
3.3k
10k
10k
10k
5k
5k
5k
EXT
3.5
C
EXT
DD
= 300 pF, T = 25 C
4.0
V
DD
(Volts)
4.12 MHz
2.35 MHz
1.80 MHz
1.27 MHz
77.2 kHz
28.3 kHz
268 kHz
688 kHz
707 kHz
501 kHz
269 kHz
4.5
Fosc @ 5V, 25 C
5.0
1997 Microchip Technology Inc.
Average
R = 3.3k
R = 10k
R = 100k
R = 5k
5.5
DD
1.4%
1.4%
1.1%
1.0%
1.0%
1.2%
1.0%
1.4%
1.2%
1.6%
1.1%
= 5V.
6.0