Semiconductor IC Packages 28 pins

DIP-28 Package Pinout

DIP-28 is a 28-pin through-hole IC package used for microcontrollers (ATmega8, PIC16F877, ATmega328), EEPROMs, and larger logic ICs. Available in 300-mil and wider 600-mil row spacing versions.

// connector diagram 28 pins

// loading diagram...

// Specifications

Standard

JEDEC MS-001 DIP-28

Pins

28 (2 rows of 14)

Pitch

2.54mm

Row Spacing

300 mil narrow or 600 mil wide

Common ICs

ATmega8 ATmega328 PIC16F877 28C256 EEPROM

Package

Through-hole DIP

// Pin Reference Table

Pin	Name	Function	Type
1	Pin 1	Function varies by IC	I/O
2	Pin 2	Function varies by IC	I/O
3	Pin 3	Function varies by IC	I/O
4	Pin 4	Function varies by IC	I/O
5	Pin 5	Function varies by IC	I/O
6	Pin 6	Function varies by IC	I/O
7	Pin 7	Function varies by IC	I/O
8	Pin 8	Function varies by IC	I/O
9	Pin 9	Function varies by IC	I/O
10	Pin 10	Function varies by IC	I/O
11	Pin 11	Function varies by IC	I/O
12	Pin 12	Function varies by IC	I/O
13	Pin 13	Function varies by IC	I/O
14	GND	Ground supply	GND
15	Pin 15	Function varies by IC	I/O
16	Pin 16	Function varies by IC	I/O
17	Pin 17	Function varies by IC	I/O
18	Pin 18	Function varies by IC	I/O
19	Pin 19	Function varies by IC	I/O
20	VCC	Positive supply	PWR
21	Pin 21	Function varies by IC	I/O
22	Pin 22	Function varies by IC	I/O
23	Pin 23	Function varies by IC	I/O
24	Pin 24	Function varies by IC	I/O
25	Pin 25	Function varies by IC	I/O
26	Pin 26	Function varies by IC	I/O
27	Pin 27	Function varies by IC	I/O
28	Pin 28	Function varies by IC	I/O

DIP-28 is a 28-pin through-hole IC package used for microcontrollers (ATmega8, PIC16F877, ATmega328), EEPROMs, and larger logic ICs. Available in 300-mil and wider 600-mil row spacing versions.