Catalog > Semiconductors > Integrated Circuits 74LS669 IC Intergrated Circuit TTL Part No: 74LS669 2.07 ZAR inc for 1 Each (Quoting) Add to Cart Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Logic Family: TTL (Transistor-Transistor Logic) Operating Voltage: 4.75V to 5.25V (nominal 5V) Max Clock Frequency: Typically 25 MHz to 32 MHz Cascading: Built-in lookahead carries for n-bit cascading Functions: Fully synchronous counting, up/down control, and parallel data loading Package: Typically a 16-pin