DESCRIPTION
The 74VHC138 is an advanced high-speed CMOS 3 TO 8 LINE DECODER (INVERTING) fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology.
■ HIGH SPEED: tPD =5.7ns (TYP.) at VCC = 5V
■ LOW POWER DISSIPATION:
ICC =4 µA (MAX.) at TA = 25 °C
■ HIGH NOISE IMMUNITY:
VNIH = VNIL = 28% VCC (MIN.)
■ POWERDOWN PROTECTIONON INPUTS
■ SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 8 mA (MIN)
■ BALANCEDPROPAGATIONDELAYS:
tPLH ≅ tPHL
■ OPERATING VOLTAGERANGE:
VCC (OPR)= 2V to 5.5V
■ PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 138
■ IMPROVED LATCH-UP IMMUNITY