DESCRIPTION
The 74VHCT238A is an advanced high-speed CMOS 3 TO 8 LINE DECODER fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology.
â HIGH SPEED: tPD = 8 ns (TYP.) at VCC = 5V
â LOW POWER DISSIPATION:
ICC =4 µA (MAX.) at TA = 25 oC
â COMPATIBLEWITH TTL OUTPUTS:
VIH = 2V (MIN), VIL = 0.8V(MAX)
â POWERDOWN PROTECTIONON INPUTS &
OUTPUTS
â SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 8 mA (MIN)
â BALANCEDPROPAGATIONDELAYS:
tPLH â
tPHL
â OPERATING VOLTAGERANGE:
VCC (OPR)= 4.5V to 5.5V
â PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 238
â IMPROVED LATCH-UP IMMUNITY
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