Datasheet

PIC16C55X
DS40143E-page 6 Preliminary  1996-2013 Microchip Technology Inc.
TABLE 1-1: PIC16C55X FAMILY OF DEVICES
PIC16C554 PIC16C557 PIC16C558
Clock
Maximum Frequency of Operation
(MHz)
20 20 20
Memory
EPROM Program Memory
(x14 words)
512 2K 2K
Data Memory (bytes) 80 128 128
Peripherals Timer Module(s) TMR0 TMR0 TMR0
Features
Interrupt Sources 3 3 3
I/O Pins 13 22 13
Voltage Range (Volts) 2.5-5.5 2.5-5.5 2.5-5.5
Brown-out Reset — — —
Packages 18-pin DIP, SOIC;
20-pin SSOP
28-pin DIP, SOIC;
28-pin SSOP
18-pin DIP, SOIC,
SSOP
All PIC
®
Family devices have Power-on Reset, selectable Watchdog Timer, selectable code protect and high 
I/O current capability. All PIC16C55X Family devices use serial programming with clock pin RB6 and data pin RB7.