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DESCRIPTION:

The FCT373T/FCT2373T, FCT533T and FCT573T/FCT2573T are octal transparent latches built using an advanced dual metal CMOS technology. These octal latches have 3-state outputs and are intended for bus oriented applications. The flip-flops appear transparent to the data when Latch Enable (LE) is HIGH. When LE is LOW, the data that meets the set-up time is latched. Data appears on the bus when the Output Enable (OE) is LOW. When OE is HIGH, the bus output is in the high- impedance state.

The FCT2373T and FCT2573T have balanced drive outputs with current limiting resistors. This offers low ground bounce, minimal undershoot and controlled output fall timesreducing the need for external series terminating resistors. The FCT2xxxT parts are plug-in replacements for FCTxxxT parts.

FEATURES:

? Common features:

– Low input and output leakage ≤1?A (max.)

– CMOS power levels

– True TTL input and output compatibility

– VOH = 3.3V (typ.)

– VOL = 0.3V (typ.)

– Meets or exceeds JEDEC standard 18 specifications

– Product available in Radiation Tolerant and Radiation Enhanced versions

– Military product compliant to MIL-STD-883, Class B and DESC listed (dual marked)

– Available in DIP, SOIC, SSOP, QSOP, CERPACK and LCC packages

? Features for FCT373T/FCT533T/FCT573T:

– Std., A, C and D speed grades

– High drive outputs (-15mA IOH, 48mA IOL)

– Power off disable outputs permit “live insertion”

? Features for FCT2373T/FCT2573T:

– Std., A and C speed grades

– Resistor output (-15mA IOH, 12mA IOL Com.)

(-12mA IOH, 12mA IOL Mil.)

– Reduced system switching noise