74LCX139 - LOW VOLTAGE CMOS DUAL 2 TO 4 DECODER/DEMULTIPLEXER
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.
It is ideal for low power and high speed 3.3V applications; it can be interfaced to 5V signal environment for inputs.
Figure 1: Pin Connec
74LCX139 LOW VOLTAGE CMOS DUAL 2 TO 4 DECODER/DEMULTIPLEXER s s s s s s s s s s 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)
