*4201 - Clock Generator 500 to 740 kHz using 4 to 5.185 MHz crystals*4308 - 1 KB ROM*4207 - General Purpose byte Output port*4209 - General Purpose byte Input port*4211 - General Purpose byte I/O port*4289 - Standard Memory Interface (replaces 4008/4009)*4702 - 256 byte UVEPROM*4316 - 2 KB ROM*4101 - 256 4-bit word RAM
== New support chips ==*4201 – Clock Generator 500 to 740 kHz using 4 to 5.185 MHz crystals*4308 – 1 KB ROM*4207 – General Purpose byte Output port*4209 – General Purpose byte Input port*4211 – General Purpose byte I/O port*4289 – Standard Memory Interface (replaces 4008/4009)*4702 – 256 byte UVEPROM*4316 – 2 KB ROM*4101 – 256 4-bit word RAM==Production==Philippines== References ==