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74VHCT240ATTR Arkusz danych(PDF) 1 Page - STMicroelectronics |
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74VHCT240ATTR Arkusz danych(HTML) 1 Page - STMicroelectronics |
1 / 12 page 1/12 December 2004 s HIGH SPEED: tPD = 5.4 ns (TYP.) at VCC = 5V s LOW POWER DISSIPATION: ICC = 4 µA (MAX.) at TA=25°C s COMPATIBLE WITH TTL OUTPUTS: VIH = 2V (MIN.), VIL = 0.8V (MAX) s POWER DOWN PROTECTION ON INPUTS & OUTPUTS s SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 8 mA (MIN) s BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL s OPERATING VOLTAGE RANGE: VCC(OPR) = 4.5V to 5.5V s PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 240 s IMPROVED LATCH-UP IMMUNITY s LOW NOISE: VOLP = 0.9V (MAX.) DESCRIPTION The 74VHCT240A is an advanced high-speed CMOS OCTAL BUS BUFFER (3-STATE) fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. G enable input governs four BUS BUFFERs. This device is designed to be used with 3 state memory address drivers, etc. Power down protection is provided on all inputs and outputs and 0 to 7V can be accepted on inputs with no regard to the supply voltage. This device can be used to interface 5V to 3V since all inputs are equipped with TTL threshold. All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. 74VHCT240A OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (INVERTED) Figure 1: Pin Connection And IEC Logic Symbols Table 1: Order Codes PACKAGE T & R SOP 74VHCT240AMTR TSSOP 74VHCT240ATTR TSSOP SOP Rev. 4 |
Podobny numer części - 74VHCT240ATTR |
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Podobny opis - 74VHCT240ATTR |
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