DESCRIPTION
The 74LCX139 is a low voltage CMOS DUAL 2 TO 4 LINE DECODER/DEMULTIPLEXER fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology.
   
■ 5V TOLERANT INPUTS
■ HIGH SPEED :
    tPD = 6.2ns (MAX.) at VCC = 3V
■ POWER DOWN PROTECTION ON INPUTS
    AND OUTPUTS
■ SYMMETRICAL OUTPUT IMPEDANCE:
    |IOH| = IOL = 24mA (MIN) at VCC = 3V
■ PCI BUS LEVELS GUARANTEED AT 24 mA
■ BALANCED PROPAGATION DELAYS:
    tPLH ≅ tPHL
■ OPERATING VOLTAGE RANGE:
    VCC(OPR) = 2.0V to 3.6V (1.5V Data
    Retention)
■ PIN AND FUNCTION COMPATIBLE WITH
    74 SERIES 139
■ LATCH-UP PERFORMANCE EXCEEDS
    500mA (JESD 17)
■ ESD PERFORMANCE:
    HBM > 2000V (MIL STD 883 method 3015);
    MM > 200V