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54VCXH162244 Scheda tecnica(PDF) 1 Page - STMicroelectronics |
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54VCXH162244 Scheda tecnica(HTML) 1 Page - STMicroelectronics |
1 / 18 page July 2011 Doc ID 10652 Rev 9 1/18 18 54VCXH162244 Low voltage CMOS 16-bit bus buffer (3-state non inverter) with 3.6 V tolerant inputs and outputs Features ■ 1.65 to 3.6 V inputs and outputs ■ High speed: –tPD = 3.4 ns at VCC = 3.0 to 3.6 V –tPD = 3.8 ns at VCC = 2.3 to 2.7 V ■ Power down protection on inputs and outputs ■ Symmetrical output impedance: –|IOH| = IOL = 12 mA (Min.) at VCC = 3.0 V –|IOH| = IOL = 8 mA (Min.) at VCC = 2.3 V ■ 26 Ω serie resistors in outputs ■ Operating voltage range: –VCC(Opr) = 1.65 V to 3.6 V ■ Pin and function compatible with 54 series H162244 ■ Bus hold provided on data inputs ■ Cold spare function ■ Latch-up performance exceeds 300 mA (JESD 17) ■ ESD performance: – HBM > 2000 V (Mil Std 883 Method 3015); MM > 200 V ■ 300 krad Mil1019.6 condition A, (RHA QML qualification extension undergone) ■ No SEL, no SEU and no SET under 110 Mev/cm2/mg LET heavy ions irradiation ■ QML qualified product ■ SMD 5962-05210 ■ 100 mV typical input hysteresis Description The 54VCXH162244 is a low voltage CMOS 16 bit bus buffer (non inverted) fabricated with sub- micron silicon gate and five-layer metal wiring C²MOS technology. It is ideal for low power and very high speed 1.65 to 3.6 V applications; it can be interfaced to 3.6 V signal environment for both inputs and outputs. Any nG output control governs four BUS buffers. Output enable input (nG) tied together gives full 16-bit operation. When nG is low, the outputs are on. When nG is high, the output are in high impedance state. This device is designed to be used with 3 state memory address drivers, etc. Bus hold on data inputs is provided in order to eliminate the need for external pull-up or pull-down resistor. The device circuits is including 26 Ω series resistance in the outputs. These resistors permit to reduce line noise in high speed applications. All inputs and outputs are equipped with protection circuits against static discharge, giving them 2 kV ESD immunity and transient excess voltage. Flat-48 The upper metallic lid is not electrically connected to any pins, nor to the IC die inside the package. www.st.com |
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