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1 / 15 page February 2007 Rev 3 1/15 15 74LCX162541 Low voltage CMOS 16-bit bus buffer (3-state) with 5V tolerant inputs and outputs Features ■ 5V tolerant inputs and outputs ■ High speed: –tPD = 4.4ns (Max) at VCC = 3V ■ Power down protection on inputs and outputs ■ Symmetrical output impedance: –|IOH| = IOL = 12mA (Min) at VCC = 3V ■ PCI bus levels guaranteed at 12mA ■ Balanced propagation delays: –tPLH ≅ tPHL ■ 26Ω serie resistor in outputs ■ Operating voltage range: –VCC (Opr) = 2.0V to 3.6V ■ Pin and function compatible with 74 series 162541 ■ Latch-up performance exceeds 500mA (JESD 17) ■ ESD performance: – HBM > 2000V (MIL STD 883 method 3015); MM > 200V Description The 74LCX162541 is a low voltage CMOS 16 bit bus buffer (non-inverted) fabricated with sub- micron silicon gate and double-layer metal wiring C2MOS technology. It is ideal for low power and high speed 3.3V applications; it can be interfaced to 5V signal environment for both inputs and outputs. This is composed of two 8-bit sections with separate output-enable signals. For either 8-bit buffers section, the 3 state control gate operates as a two input AND such that if either nG1 and nG2 are high, all outputs are in the high impedence state. This device is designed to be used with 3 state memory address drivers, etc. 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 2KV ESD immunity and transient excess voltage. TSSOP48 www.st.com Order codes Part number Package Packaging 74LCX162541TTR TSSOP48 Tape and reel |
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