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Part Name(s) : DV74AC251 DV74ACT251 DV74AC251N DV74ACT251N DV74AC251D DV74ACT251D AVG
AVG Semiconductors=>HITEK
Description : 8 Input MULTIPLEXER WITH 3-STATE OUTPUTS, 8 Input Digital MULTIPLEXER View

8 Input MULTIPLEXER WITH 3-STATE OUTPUTS, 8 Input Digital MULTIPLEXER

Part Name(s) : MC74ACT258 MC74ACT258N MC74ACT258D Motorola
Motorola => Freescale
Description : Quad 2-Input MULTIPLEXER WITH 3-STATE OUTPUTS View

The MC74AC258/74ACT258 is a quad 2-input MULTIPLEXER WITH 3-STATE OUTPUTS.
Four bits of data from two sources can be selected using a common data select input. The four OUTPUTS present the selected data in the complement (inverted) form. The OUTPUTS may be switched to a high impedance state WITH a HIGH on the common Output Enable (OE) input, allowing the OUTPUTS to interface directly WITH bus-oriented systems.

MULTIPLEXER Expansion by Tying OUTPUTS Together
• Inverting 3-STATE OUTPUTS
OUTPUTS Source/Sink 24 mA
• ′ACT258 Has TTL Compatible Inputs

Part Name(s) : MC74F257AJ MC74F257AN MC74F257AD MC74F257A Motorola
Motorola => Freescale
Description : QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS View

The MC74F257 is a quad 2-input MULTIPLEXER WITH 3-STATE OUTPUTS. Four bits of data from two sources can be selected using a common Data Select input. The four OUTPUTS present the selected data in true (non-inverted) form. The OUTPUTS may be switched to a high impedance state WITH a HIGH on the common Output Enable (OE) input, allowing the OUTPUTS to interface directly WITH bus oriented systems.

MULTIPLEXER Expansion by Tying OUTPUTS Together
• Non-Inverting 3-STATE OUTPUTS
• Input Clamp Diodes Limit High-Speed Termination Effects
• AC Enhanced Version of the F257

Part Name(s) : 74F258A 74F258ASC 74F258ASJ 74F258ASCX 74F258ASJX 74F258APC Fairchild
Fairchild Semiconductor
Description : Quad 2-Input MULTIPLEXER WITH 3-STATE OUTPUTS View

General Description
The 74F258A is a quad 2-input MULTIPLEXER WITH 3-STATE OUTPUTS. Four bits of data from two sources can be selected using a common data select input. The four OUTPUTS present the selected data in the complement (inverted) form. The OUTPUTS may be switched to a high impedance state WITH a HIGH on the common Output Enable (OE) input, allowing the OUTPUTS to interface directly WITH bus-oriented systems.

Features
MULTIPLEXER expansion by tying OUTPUTS together
■ Inverting 3-STATE OUTPUTS


Part Name(s) : 74F257A 74F257ASC 74F257ASJ 74F257ASCX 74F257ASJX 74F257APC Fairchild
Fairchild Semiconductor
Description : Quad 2-Input MULTIPLEXER WITH 3-STATE OUTPUTS View

General Description
The 74F257A is a quad 2-input MULTIPLEXER WITH 3-STATE OUTPUTS. Four bits of data from two sources can be selected using a Common Data Select input. The four OUTPUTS present the selected data in true (non-inverted) form. The OUTPUTS may be switched to a high impedance state WITH a HIGH on the common Output Enable (OE) input, allowing the OUTPUTS to interface directly WITH bus-oriented systems.

Features
MULTIPLEXER expansion by tying OUTPUTS together
■ Non-inverting 3-STATE OUTPUTS
■ Input clamp diodes limit high-speed termination effects

Part Name(s) : MC54F251J MC54F251 MC74F251D MC74F251N MC74F251 Motorola
Motorola => Freescale
Description : 8-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS View

8-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

The MC54/74F251 is a high-speed 8-INPUT digital MULTIPLEXER. It provides, in one package, the ability to select one bit of data from up to eight sources. It can be used as a universal function generator to generate any logic function of four variables. Both assertion and negation OUTPUTS are provided.

• Multifunctional Capacity
• On-Chip Select Logic Decoding
• Inverting and Noninverting 3-STATE OUTPUTS

Part Name(s) : 74ACT258 74ACT258MTC 74ACT258MTCX 74ACT258PC 74ACT258PCX 74ACT258SC 74ACT258SCX 74ACT258SJ 74ACT258SJX 74ACT258CW Fairchild
Fairchild Semiconductor
Description : Quad 2-Input MULTIPLEXER WITH 3-STATE OUTPUTS View

General Description
The ACT258 is a quad 2-input MULTIPLEXER WITH 3-STATE OUTPUTS. Four bits of data from two sources can be selected using a common data select input. The four OUTPUTS present the selected data in the complement (inverted) form. The OUTPUTS may be switched to a high impedance state WITH a HIGH on the common Output Enable (OE) input, allowing the OUTPUTS to interface directly WITH bus-oriented systems.

Features
■ ICC and IOZ reduced by 50%
MULTIPLEXER expansion by tying OUTPUTS together
■ Inverting 3-STATE OUTPUTS
OUTPUTS source/sink 24 mA
■ TTL-compatible inputs

Part Name(s) : 54ACT258DMQB 54ACT258FMQB 54ACT258LMQB National-Semiconductor
National ->Texas Instruments
Description : Quad 2-Input MULTIPLEXER WITH 3-STATE OUTPUTS View

General Description
The ACT258 is a quad 2-input MULTIPLEXER WITH 3-STATE OUTPUTS. Four bits of data from two sources can be selected using a Common Data Select input. The four OUTPUTS present the selected data in complement (inverted) form. The OUTPUTS may be switched to a high impedance state by placing a logic HIGH on the common Output Enable (OE) input, alllowing the OUTPUTS to interface directly WITH bus-oriented systems.

Features
- Icc and Ioz reduced by 50%
- MULTIPLEXER expansion by typing OUTPUTS together
- Inverting TRI-STATE OUTPUTS
- OUTPUTS source/sink 24 mA
- ACT258 has TTL-compatible inputs
- Standard Military Drawing (SMD)
    - ACT258: 5962-88704

Part Name(s) : 54LS257 SN74LS257D SN74LS257N Motorola
Motorola => Freescale
Description : QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS View

QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

TheLSTTL/MSI SN54/74LS257B and the SN54/74LS258B are Quad 2-InputMULTIPLEXERs WITH 3-STATE OUTPUTS. Four bits of data from twosources canbe selected using a Common Data Select input. The four OUTPUTS present the selected data in true (non-inverted) form. The OUTPUTS may be switched to ahigh impedance state WITH a HIGH on the common Output Enable (EO) In put,allowing the OUTPUTS to interface directly WITH bus oriented systems. It is fabricatedWITH the Schottky barrier diode process for high speedand is completely compatible WITH all Motorola TTL families.

• Schottky Process For High Speed
MULTIPLEXER Expansion By Tying OUTPUTS Together
• Non-Inverting 3-STATE OUTPUTS
• Input Clamp Diodes Limit High Speed Termination Effects
• Special Circuitry Ensures Glitch Free Multiplexing
• ESD > 3500 Volts

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