74LV153

General description

The 74LV153 is a low-voltage CMOS device that is pin and function compatible with 74HC/HCT153.

The 74LV153 is a dual 4-input multiplexer which selects 2 bits of data from up to four sources selected by common data select inputs (S₀, S₁). The two 4-input multiplexer circuits have individual active LOW output enable inputs (1E, 2E) which can be used to strobe the outputs independently. The outputs (1Y, 2Y) are forced LOW when the corresponding output enable inputs are HIGH. The 74LV153 is the logic implementation of a 2-pole4-position switch, where the position of the switch, is determined by the logic levels applied to S₀ and S₁. The logic equations for the outputs are:
1Y=1E.(1l₀.S₁.S₀+1l₁.S ₁.S₀+1l₂.S₁.S₀+1l ₃.S₁.S₀)
2Y=2E.(2l₀.S₁.S₀+2l₁.S ₁.S₀+2l₂.S₁.S₀+2l ₃.S₁.S₀)

The 74LV153 can be used to move data to a common output bus from a group of registers. The state of the select inputs would determine the particular register from which the data came. An alternative application is a function generator. The device can generate two functions or three variables. This is useful for implementing highly irregular random logic.

Features

• Optimized for low voltage applications: 1.0 to 3.6 V
• Accepts TTL input levels between V_CC = 2.7 V and V_CC = 3.6 V
• Typical V OLP (output ground bounce) < 0.8 V at V_CC = 3.3 VT amb = 25°C
• Typical V OHV (output V OH undershoot) > 2 V at V_CC = 3.3 VT amb = 25°C
• Non-inverting outputs
• Separate enable for each output
• Common select inputs
• Permits multiplexing from n lines to 1 line
• Enable line provided for cascading (n lines to 1 line)
• Output capability: standard
• I_CC category: MSI

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Block diagrams/pinning

Parametrics/similar products

Similar products

74LV153 links to the similar products page containing an overview of products that are similar in function or related to the type number(s) as listed on this page. The similar products page includes products from the same catalog tree(s), relevant selection guides and products from the same functional category.

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