CD74FCT541

Name: CD74FCT541
Brand: TI
SKU: CD74FCT541
Price: 2.826 USD

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Búferes de 8 canales, 4,75 V a 5,25 V con entradas CMOS compatibles con TTL y salidas de 3 estados

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Hoja de datos

document-pdfAcrobat BiCMOS Octal Buffer/Driver With 3-State Outputs datasheet (Inglés)

CD74FCT541

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Detalles del producto

Technology family

FCT

Supply voltage (min) (V)

4.75

Supply voltage (max) (V)

5.25

Number of channels

8

IOL (max) (mA)

64

Supply current (max) (µA)

80

IOH (max) (mA)

-15

Input type

TTL-Compatible CMOS

Output type

3-State

Features

Over-voltage tolerant inputs, Very high speed (tpd 5-10ns)

Rating

Catalog

Operating temperature range (°C)

0 to 70

Technology family

FCT

Supply voltage (min) (V)

4.75

Supply voltage (max) (V)

5.25

Number of channels

8

IOL (max) (mA)

64

Supply current (max) (µA)

80

IOH (max) (mA)

-15

Input type

TTL-Compatible CMOS

Output type

3-State

Features

Over-voltage tolerant inputs, Very high speed (tpd 5-10ns)

Rating

Catalog

Operating temperature range (°C)

0 to 70

PDIP (N)

20

228.702 mm² 24.33 x 9.4

SOIC (DW)

20

131.84 mm² 12.8 x 10.3

BiCMOS Technology With Low Quiescent Power
Buffered Inputs
Noninverted Outputs
Input/Output Isolation From V_CC
Controlled Output Edge Rates
64-mA Output Sink Current
Output Voltage Swing Limited to 3.7 V
SCR Latch-Up-Resistant BiCMOS Process and Circuit Design
Package Options Include Plastic Small-Outline (M) and Shrink Small-Outline (SM) Packages and Standard Plastic (E) DIP

BiCMOS Technology With Low Quiescent Power
Buffered Inputs
Noninverted Outputs
Input/Output Isolation From V_CC
Controlled Output Edge Rates
64-mA Output Sink Current
Output Voltage Swing Limited to 3.7 V
SCR Latch-Up-Resistant BiCMOS Process and Circuit Design
Package Options Include Plastic Small-Outline (M) and Shrink Small-Outline (SM) Packages and Standard Plastic (E) DIP

The CD74FCT541 is an octal buffer/driver with 3-state outputs that is ideal for driving bus lines or buffer memory address registers and uses a small-geometry BiCMOS technology. The output stage is a combination of bipolar and CMOS transistors that limits the output high level to two diode drops below V_CC. This resultant lowering of output swing (0 V to 3.7 V) reduces power-bus ringing [a source of electromagnetic interference (EMI)] and minimizes V_CC bounce and ground bounce and their effects during simultaneous output switching. The output configuration also enhances switching speed and is capable of sinking 64 mA.

The 3-state control gate is a two-input AND gate with active-low inputs, so that if either output-enable (OE1\ or OE2\) input is high, all corresponding outputs are in the high-impedance state. The outputs provide noninverted data when they are not in the high-impedance state.

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

The CD74FCT541 is characterized for operation from 0°C to 70°C.

The CD74FCT541 is an octal buffer/driver with 3-state outputs that is ideal for driving bus lines or buffer memory address registers and uses a small-geometry BiCMOS technology. The output stage is a combination of bipolar and CMOS transistors that limits the output high level to two diode drops below V_CC. This resultant lowering of output swing (0 V to 3.7 V) reduces power-bus ringing [a source of electromagnetic interference (EMI)] and minimizes V_CC bounce and ground bounce and their effects during simultaneous output switching. The output configuration also enhances switching speed and is capable of sinking 64 mA.

The 3-state control gate is a two-input AND gate with active-low inputs, so that if either output-enable (OE1\ or OE2\) input is high, all corresponding outputs are in the high-impedance state. The outputs provide noninverted data when they are not in the high-impedance state.

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

The CD74FCT541 is characterized for operation from 0°C to 70°C.

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