Part # 74LCX157 datasheet

Part Manufacturer: ST Microelectronics

ST Microelectronics

Part Description: OW VOLTAGE CMOS QUAD 2 CHANNEL MULTIPLEXER WITH 5V TOLERANT INPUTS


Part Details:

74LCX157 Low voltage CMOS Quad 2 channel multiplexer with 5V tolerant inputs Features 5V tolerant inputs High speed: ­ tPD = 6.0ns (Max) at VCC = 3V Power down protection on inputs and outputs Symmetrical output impedance: SO-16 TSSOP16 ­ |IOH| = IOL = 24mA (Min) at VCC = 3V PCI bus levels guaranteed at 24mA Description Balanced propagation delays: ­ tPLH tPHL The 74LCX157 is a low voltage CMOS Quad 2 Operating voltage range: channel multiplexer fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS ­ VCC (Opr) = 2.0V to 3.6V technology. It is ideal for low power and high Pin and function compatible with speed 3.3V applications; it can be interfaced to 74 series 157 5V signal environment for inputs. Latch-up performance exceeds It consists of four 2-input digital multiplexer with 500mA (JESD 17) common select and strobe inputs. It is a non- ESD performance: inverting multiplexer. When the STROBE input is ­ HBM > 2000V held high selection of data is inhibited and all the (MIL STD 883 method 3015); MM > 200V outputs become low. The SELECT decoding determines whether the A or B inputs get routed to their corresponding Y outputs. It has same speed performance at 3.3V than 5V AC/ACT family, combined with a lower power consumption. All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. Order codes Part number Package Packaging 74LCX157MTR SO-16 Tape and reel 74LCX157TTR TSSOP16 Tape and reel February 2007 Rev 6 1/17 www.st.com 17 Contents 74LCX157


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74LCX157.pdf Datasheet