COP424C Datasheet, PDF (6/24 Pages) National Semiconductor (TI) – Single-Chip 1k and 2k CMOS Microcontrollers

Connection Diagrams
DIP and S O Wide
DIP and S O Wide
Top View
TL DD 5259–16
Order Number COP326C-XXX D
or COP426C-XXX D
See NS Hermetic Package D20A
(Prototype Package Only)
Order Number COP326C-XXX N
or COP426C-XXX N
See NS Molded Package N20A
Order Number COP326C-XXX WM
or COP426C-XXX WM
See NS Surface Mount Package M20B
Top View
TL DD 5259 – 2
Order Number COP325C-XXX D COP445C-XXX D
COP425C-XXX D or COP345C-XXX D
See NS Hermetic Package D24C
(Prototype Package Only)
Order Number COP325C-XXX N COP345C-XXX N
COP425C-XXX N or COP445C-XXX N
See NS Molded Package N24A
Order Number COP325C-XXX WM COP345C-XXX WM
COP425C-XXX WM or COP445C-XXX WM
See NS Surface Mount Package M24B
Dual-In-Line Package
Pin
L7 – L0
G3 – G0
D3 – D0
IN3 – IN0
SI
SO
Top View
TL DD 5259 – 3
Order Number COP324C-XXX D COPC324-XXX WM COP344C-XXX D
COP424C-XXX D COPC424-XXX WM or COP444C-XXX D
See NS Hermetic Package D28C
(Prototype Package Only)
Order Number COP324C-XXX N COP344C-XXX N COPC344-XXX WM
COP424C-XXX N COP444C-XXX N or COPC444-XXX WM
See NS Molded Package N28B
FIGURE 2
Description
8-bit bidirectional port with TRI-STATE
4-bit bidirectional I O port
4-bit output port
4-bit input port (28-pin package only)
Serial input or counter input
Serial or general purpose output
Pin
SK
CKI
CKO
RESET
V_CC
GND
Description
Logic controlled clock output
Chip oscillator input
Oscillator output HALT I O port or general
purpose input
Reset input
Most positive power supply
Ground
6