PIC16F84A-20E/SO Microchip Technology, PIC16F84A-20E/SO Datasheet - Page 166

• Manufacturer Part Number: PIC16F84A-20E/SO
• Description: IC MCU CMOS 20MHZ 1K FLSH 18SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F84A-20E/SO

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: POR, WDT
• Number Of I /o: 13
• Program Memory Size: 1.75KB (1K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Ram Size: 68 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 18-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Connectivity: -

PICmicro MID-RANGE MCU FAMILY
10.7
DS31010A-page 10-6
Design Tips
Question 1:
Answer 1:
Yes, a design change was made so the PIC16C74A is edge sensitive (while the PIC16C74 was
level sensitive). See
Migrating from the PIC16C74 to the PIC16C74A, the operation of the PSP
seems to have changed.
Appendix C.9
for more information.
1997 Microchip Technology Inc.