Catalog > Semiconductors > Integrated Circuits IC IC 74LS669 Intergrated Circuit TTL 2.05 ZAR inc for 1 Each 251 in Stock Add 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