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Part Name(s) : HD74LS253
Hitachi
Hitachi -> Renesas Electronics
Description : Dual 4-line-TO-1-LINE DATA SelecTOrs/Multiplexers (with three-state outputs)

Dual 4-line-TO-1-LINE DATA SelecTOrs/Multiplexers (with three-state outputs)

Renesas
Renesas Electronics
Description : Dual 4-line-TO-1-LINE DATA SelecTOrs / Multiplexers (with three-state outputs)

Dual 4-line-TO-1-LINE DATA SelecTOrs / Multiplexers (with three-state outputs)

This DATA selecTOr / multiplexer contains inverters and drivers TO supply fully complementary, on-ship, binary decoding DATA selection TO AND-OR gates.
Separate output control inputs are provided for each of the two four-line sections. The three-state outputs can interface with and drive DATA lines of bus-organized systems. With all but one of the common outputs disabled (at high-impedance state) the low-impedance of the single enabled output will drive the bus line TO a high or low logic level.

Renesas
Renesas Electronics
Description : QUADRUPLE 2-LINE-TO-1-LINE DATA SelecTOrs / Multiplexers (with not inverted 3-state outputs)

This multiplexer features three-state outputs that can interface directly with and drive DATA lines of bus-organized systems. With all but one of the common outputs disabled (at a high-impedance state) the low impedance of the single enabled output will drive the bus line TO a high or low logic level.
TO minimize the possibility that two outputs will attempt TO take a common bus TO opposite logic levels, the output enable circuitry is designed such that the output disable times are shorter than the output enable times.

Renesas
Renesas Electronics
Description : QUADRUPLE 2-LINE-TO-1-LINE DATA SelecTOrs / Multiplexers (inverted outputs)

This DATA selecTOr / multiplexer contains inverters and drivers TO supply full on-chip DATA selection TO the four output gates. A separate strobe input is provided. A 4-bit word is selected from one of two sources and is routed TO the four outputs. Then, outputs present inverted DATA TO minimize propagation delay time.

Renesas
Renesas Electronics
Description : QUADRUPLE 2-LINE-TO-1-LINE DATA SelecTOrs / Multiplexers (noninverted outputs)

This DATA selecTOr / multiplexer contains inverters and drivers TO supply full on-chip DATA selection TO the four output gates. A separate strobe input is provided. A 4-bit word is selected from one of two sources and is routed TO the four outputs. Then, outputs present true DATA TO minimize propagation delay time.



 


Fairchild
Fairchild Semiconductor
Description : Dual 1-of-4 Line DATA SelecTOrs/Multiplexers

General Description
Each of these DATA selecTOrs/multiplexers contains inverters and drivers TO supply fully complementary, on-chip, binary decoding DATA selection TO the AND-OR-invert gates. Separate strobe inputs are provided for each of the two four-line sections.

Features
■ Permits multiplexing from N lines TO 1 line
■ Performs at parallel-TO-serial conversion
■ Strobe (enable) line provided for cascading (N lines TO n lines)
■ High fan-out, low impedance, TOtem pole outputs
■ Typical average propagation delay times
    From DATA 14 ns
    From strobe 19 ns
    From select 22 ns
■ Typical power dissipation 31 mW

Part Name(s) : DM74157 DM74157N
Fairchild
Fairchild Semiconductor
Description : Quad 2-LINE TO 1-LINE DATA SelecTOrs/Multiplexer

General Description

These DATA selecTOrs/multiplexers contain inverters and drivers TO supply full on-chip DATA selection TO the four output gates. A separate strobe input is provided. A 4-bit word is selected from one of two sources and is routed TO the four outputs.



Features

■Buffered inputs and outputs

■Typical propagation time 9 ns

■Typical power dissipation 150 mW



Applications

• Expand any DATA input point

• Multiplex dual DATA buses

• Generate four functions of two variables (one variable is common)

• Source programmable counters



 


Part Name(s) : HD74LS257 74LS257
Hitachi
Hitachi -> Renesas Electronics
Description : QUADRUPLE 2-LINE-TO-1-LINE DATA SelecTOrs/Multiplexers(with non inverted 3-state outputs)

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Renesas
Renesas Electronics
Description : Dual 4-TO-1-LINE DATA SelecTOrs/Multiplexers

Description
Each of these DATA selecTOrs/multiplexers contains inverters and drivers TO supply fully complementary binary decoding DATA selection TO the AND-OR-invert gates. Separate strobe inputs (G) are provided for each of the two four-line sections.

Features
• High Speed Operation: tpd (DATA TO Y) = 16 ns typ (CL = 50 pF)
• High Output Current: Fanout of 10 LSTTL Loads
• Wide Operating Voltage: VCC = 2 TO 6 V
• Low Input Current: 1 µA max
• Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)

Description : Dual 4-Line TO 1-LINE DATA SelecTOrs / Multiplexers

This DATA selecTOr / multiplexer contains inverters and drivers TO supply fully complementary, on-chip, binary decoding DATA selection TO the AND-OR-INVERT gates. Separate strobe inputs are provided for each of the two four-line sections.
   

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