MOS Technology 6532
The 6532 RAM Input / Output Timer ( RIOT ) is an input / output module from MOS Technology , which was later manufactured by other companies such as Rockwell . It integrates 128 × 8 byte static RAM , two bidirectional digital 8-bit inputs / outputs and a programmable interval timer with a clock rate of 1 to 262,144 clock periods. This high level of integration made this device very popular in the late 1970s and early 1980s because it could replace several integrated circuits (ICs).
The most widespread use of the component was found in the Atari 2600 video game console. The chip also became famous in Gottlieb pinball machines such as Haunted House or Black Hole.
6532 ICs were available in 1 MHz and 2 MHz versions. The form factor was a JEDEC standard, 40-pin DIP (ceramic or plastic).
Web links
- 6532 Datasheet (MOS) , PDF, English
- 6532 Datasheet (Rockwell) , PDF, English
- 6532 VHDL implementation (part of FPGA2600 SourceForge project) , English
