74HCT153

The 74HCT153 is high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A.

The 74HCT153 has two identical 4-input multiplexers whichselect two 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 "153" is the logic implementation of a 2-pole, 4-position switch, where the position of the switch is determined by the logic levels appliedto S₀ and S₁.

The logic equations for the outputs of the 74HCT153 are:1Y = 1E.(1I0.S1.S0+1I1.S1.S0+ +1I2.S1.S0+1I3.S1.S0) 2Y = 2E.(2I0.S1.S0+2I1.S1.S0+ +2I2.S1.S0+2I3.S1.S0)

The "153" 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.

The "153" is similar to the "253" but has standard outputs.

The 74HCT153 is high-speed Si-gate CMOS devices and is pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A.The 74HCT153 has two identical 4-input multiplexers which select two bits of data from up to four sources selected by common data select inputs (S0, S1).

Features of the 74HCT153 are:(1)non-inverting output; (2)separate enable for each output; (3)common select inputs; (4)see '253" for 3-state version; (5)permits multiplexing from n lines to 1 line; (6)enable line provided for cascading(n lines to 1 line); (7)output capability: standard; (8)Icc category: MSI.The "153" 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.

The absolute maximum ratings of the 74HCT153 can be summarized as:(1)input capacitance:3.5 pF;(2)storage temperature:40 to +85.The products described in this document are designed, developed and manufactured as contemplated for general use, including without limitation, ordinary industrial use, general office use, personal use, and household use, but are not designed, developed and manufactured as contemplated (1) for any use that includes fatal risks or dangers that, unless extremely high safety is secured, could have a serious effect to the public, and could lead directly to death, personal injury, severe physical damage or other loss (i.e., nuclear reaction control in nuclear facility, aircraft flight control, air traffic control, mass transport control, medical life support system, missile launch control in weapon system), or (2) for any use where chance of failure is intolerable (i.e., submersible repeater and artificial satellite).

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