74VHC240 - OCTAL BUS BUFFER
teThe 74VHC240 is an advanced high-speed leCMOS OCTAL BUS BUFFER (3-STATE) ofabricated with sub-micron silicon gate and sdouble-layer metal wiring C2MOS technology.
bG output enable governs four BUS BUFFERs.
OThis device is designed to be used with 3 state -memory address drivers, etc.
Table 1: Ord
74VHC240 OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (INVERTED) s HIGH SPEED: tPD = 3.6ns (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 s SYMMETRICAL OUTPUT IMPEDANCE: SOP TSSOP |IOH| = IOL = 8 mA (MIN) s BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL )s OPERATING VOLTAGE RANGE: t(sVCC(OPR) = 2V to 5.5V s PIN AND FUNCTION COMPATIBLE WITH uc74 SERIES 240 ds IMPROVED LATCH-UP IMMUNITY ro
