 - Texas Instruments, Inc. SN74LS193N Synchronous 4-Bit Up/Down Binary Counters- Manufacturer: Texas Instruments
 - Texas Instruments, Inc. SN74LS193N Synchronous 4-Bit Up/Down Binary Counters Condition : New $10 USDSan Jose, CA
 - Texas Instruments SN74LS193N Counter Single 4-Bit Binary UP/Down 16-Pin- Manufacturer: Texas Instruments
 - Texas Instruments SN74LS193N Counter Single 4-Bit Binary UP/Down 16-Pin Condition : New $10 USDSan Jose, CA

