ICT-6C (Specifications)The Leap Benchtop Digital IC Tester. The ICT-6C desktop logic device tester has been designed for regular use. It will automatically identify up to 1800 CMOS/TTL digital ICs with up to 24 pins and a 5V power supply. The unit is ideal for identifying unknown devices. ICT-6C (Specifications)The Leap Benchtop Digital IC Tester. The ICT-6C desktop logic device tester has been designed for regular use. It will automatically identify up to 1800 CMOS/TTL digital ICs with up to 24 pins and a 5V power supply. The unit is ideal for identifying unknown devices.