SN74HC258

Name: SN74HC258
Brand: TI
SKU: SN74HC258
Price: 0.122 USD

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Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs

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Data sheet

document-pdfAcrobat SN54HC257, SN54HC258, SN74HC257, SN74HC258 datasheet (Rev. B)

SN74HC258

ACTIVE

Data sheet

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Product details

Technology family

HC

Function

Digital Multiplexer

Configuration

2:1

Number of channels

4

Operating temperature range (°C)

-40 to 85

Rating

Catalog

Technology family

HC

Function

Digital Multiplexer

Configuration

2:1

Number of channels

4

Operating temperature range (°C)

-40 to 85

Rating

Catalog

PDIP (N)

16

181.42 mm² 19.3 x 9.4

SOIC (D)

16

59.4 mm² 9.9 x 6

SOP (NS)

16

79.56 mm² 10.2 x 7.8

TSSOP (PW)

16

32 mm² 5 x 6.4

Wide Operating Voltage Range of 2 V to 6 V
High-Current Inverting Outputs Drive up to 15 LSTTL Loads
Low Power Consumption, 80-µA Max I_CC
’HC257 ...Typical t_pd = 9 ns
’HC258 ...Typical t_pd = 12 ns
±6-mA Output Drive at 5 V
Low Input Current of 1 µA Max
Provides Bus Interface from Multiple Sources in High-Performance Systems

Wide Operating Voltage Range of 2 V to 6 V
High-Current Inverting Outputs Drive up to 15 LSTTL Loads
Low Power Consumption, 80-µA Max I_CC
’HC257 ...Typical t_pd = 9 ns
’HC258 ...Typical t_pd = 12 ns
±6-mA Output Drive at 5 V
Low Input Current of 1 µA Max
Provides Bus Interface from Multiple Sources in High-Performance Systems

These devices are designed to multiplex signals from 4-bit data sources to 4-output data lines in bus-organized systems. The 3-state outputs do not load the data lines when the output-enable (G\) input is at a high logic level.

To ensure the high-impedance state during power up or power down, (G\) should be tied to V_CC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

These devices are designed to multiplex signals from 4-bit data sources to 4-output data lines in bus-organized systems. The 3-state outputs do not load the data lines when the output-enable (G\) input is at a high logic level.

To ensure the high-impedance state during power up or power down, (G\) should be tied to V_CC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

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