74VHC139 Datasheet (STMicroelectronics) - DUAL 2 TO 4 DECODER/DEMULTIPLEXER

74VHC139, DUAL 2 TO 4 DECODER/DEMULTIPLEXER

The 74VHC139 is an advanced high-speed - O teCMOS DUAL 2 TO 4 LINE DECODER/ ) leDEMULTIPLEXER fabricated with sub-micron t(s osilicon gate and double-layer metal wiring C2MOS stechnology.

c bThe active low enable input can be used for gating u Oor as a data input for demultiplexing applications.

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74VHC139 DUAL 2 TO 4 DECODER/DEMULTIPLEXER s HIGH SPEED: tPD = 5.0 ns (TYP.) at VCC = 5V s LOW POWER DISSIPATION: ICC = 4 µA (MAX.) at TA=25°C s HIGH NOISE IMMUNITY: VNIH = VNIL = 28% VCC (MIN.) )s POWER DOWN PROTECTION ON INPUTS t(ss SYMMETRICAL OUTPUT IMPEDANCE: c|IOH| = IOL = 8 mA (MIN) us BALANCED PROPAGATION DELAYS: dtPLH ≅ tPHL ro )s OPERATING VOLTAGE RANGE: P t(sVCC(OPR) = 2V to 5.5V s PIN AND FUNCTION COMPATIBLE WITH lete uc74 SERIES 139 ds IMPROVED LATCH-UP IMMUNITY bso ProDESCRIP