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HD74LV157A - Quad. 2-to-1 line Data Selectors / Multiplexers(Noninverted Outputs)

Description

The HD74LV157A has four 2-input digital multiplexers with common select and strobe inputs.

When the strobe input is low, a 4-bit word is selected from one of two sources and is routed to the four outputs.

The device provides true data.

Features

  • VCC = 2.0 V to 5.5 V operation All inputs VIH (Max. ) = 5.5 V (@VCC = 0 V to 5.5 V) All outputs VO (Max. ) = 5.5 V (@VCC = 0 V) Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C) Typical VOH undershoot > 2.3 V (@VCC = 3.3 V, Ta = 25°C) Output current ±6 mA (@VCC = 3.0 V to 3.6 V), ±12 mA (@VCC = 4.5 V to 5.5 V) Function Table Inputs STB H L L L L Note: H: High level L: Low level X: Immaterial SEL X L L H H A X L H X X B X X X L.

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HD74LV157A Quad. 2-to-1 line Data Selectors / Multiplexers (Noninverted Outputs) ADE-205-263 (Z) 1st Edition March 1999 Description The HD74LV157A has four 2-input digital multiplexers with common select and strobe inputs. When the strobe input is low, a 4-bit word is selected from one of two sources and is routed to the four outputs. The device provides true data. Low-voltage and high-speed operation is suitable for the battery-powered products (e.g., notebook computers), and the low-power consumption extends the battery life. Features • • • • • • VCC = 2.0 V to 5.5 V operation All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V) All outputs VO (Max.) = 5.5 V (@VCC = 0 V) Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C) Typical VOH undershoot > 2.3 V (@VCC = 3.
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