Part # 74VHC157 datasheet

Part Manufacturer: ST Microelectronics

ST Microelectronics

Part Description: Quad 2 channel multiplexer

Part Details:

74VHC157 QUAD 2 CHANNEL MULTIPLEXER s HIGH SPEED: t PD = 4.1 ns (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 SOP TSSOP s SYMMETRICAL OUTPUT IMPEDANCE:|IOH| = IOL = 8 mA (MIN) s BALANCED PROPAGATION DELAYS: Table 1: Order Codes tPLH tPHL s OPERATING VOLTAGE RANGE: PACKAGE T & R VCC(OPR) = 2V to 5.5V SOP 74VHC157MTR s PIN AND FUNCTION COMPATIBLE WITH TSSOP 74VHC157TTR 74 SERIES 157 s IMPROVED LATCH-UP IMMUNITY input is held high selection of data is inhibited and s LOW NOISE: VOLP = 0.8V (MAX.) all the outputs become low. The SELECTdecoding determines whether the A or B inputs DESCRIPTION get routed to their corresponding Y outputs. The 74VHC157 is an advanced high-speed Power down protection is provided on all inputs CMOS QUAD 2-CHANNEL MULTIPLEXER and 0 to 7V can be accepted on inputs with no fabricated with sub-micron silicon gate and regard to the supply voltage. This device can be double-layer metal wiring C2MOS technology. used to interface 5V to 3V. All inputs and outputs It consists of four 2-input digital multiplexer with are equipped with protection circuits against static common select and strobe inputs. It is a discharge, giving them 2KV ESD immunity and non-inverting multiplexer. When the STROBE transient excess voltage. Figure 1: Pin Connection And IEC Logic Symbols

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74VHC157.pdf Datasheet