8839S / UM6522A Integrated Chip

Type: Integrated Chip
Model: UM6522A
Part No.: 8839S

Features:
-Two Shit bi-directional I/O ports
-Two 16-bit programmable timer/counters
-Serial data port
-Single +5V power supply
– TTL compatible except Port  A
-CMOS compatible peripheral Port A lines
-Latched input and output registers
– 1 MHz and 2 MHz Operation
Supply voltage: 8 V
Operating voltage range: 4 … 7 V
Input voltage: -2 … 6.5 V
Max. power dissipation: 1 W
Operating Temperature: 0 … 70°C