- SN74LS393NS
- Texas Instruments
- Counter/Divider Dual 4-Bit Binary UP 14-Pin SOP Tube
- SN74LS393NSR
- Texas Instruments
- IC COUNTER BIN 4BIT DUAL 14SOP - SN74LS393NSR
- SN74LS393NSRE4
- Texas Instruments
- IC BIN COUNTR DUAL 4BIT 14-SOP - SN74LS393NSRE4
- SN74LS393NSRG4
- Texas Instruments
- IC COUNTER BINARY 4B 14SOP - SN74LS393NSRG4