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DESCRIPTION:

The IDT54/74FCT139T/AT/CT are dual 1-of-4 decoders built using an advanced dual metal CMOS technology. These devices have two independent decoders, each of which accept two binary weighted inputs (A0-A1) and provide four mutually exclusive active LOW outputs (O0-O3). Each decoder has an active LOW enable (E). When E is HIGH, all outputs are forced HIGH.

FEATURES:

? Std., A and C speed grades

? 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.)

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

? 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, QSOP, CERPACK and LCC packages