DESCRIPTION:
The IDT54/74FCT646/A/C consists of a bus transceiver with 3-state D-type flip-flops and control circuitry arranged for multiplexed transmission of data directly from the data bus or from the internal storage registers.

FEATURES:
• IDT54/74FCT646 equivalent to FAST speed;
• IDT54/74FCT646A 30% faster than FAST
• IDT54/74FCT646C 40% faster than FAST
• Independent registers for A and B buses
• Multiplexed real-time and stored data
• IOL = 64mA (commercial) and 48mA (military)
• CMOS power levels (1mW typical static)
• TTL input and output level compatible
• CMOS output level compatible
• Available in 24-pin (300 mil) CERDIP, plastic DIP, SOIC, CERPACK and 28-pin LCC
• Product available in Radiation Tolerant and Radiation Enhanced Versions
• Military product compliant to MIL-STD-883, Class B