CD74FCT273

Name: CD74FCT273
Brand: TI
SKU: CD74FCT273
Price: 0.35 USD

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BiCMOS FCT Interface Logic Octal D-Type Flip-Flops with Reset

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Data sheet

document-pdfAcrobat BiCMOS Octal D-Type Flip-Flop With Reset datasheet (Rev. A)

CD74FCT273

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Data sheet

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Product details

Number of channels

8

Technology family

FCT

Supply voltage (min) (V)

4.75

Supply voltage (max) (V)

5.25

Input type

TTL-Compatible CMOS

Output type

Push-Pull

Clock frequency (max) (MHz)

70

IOL (max) (mA)

48

IOH (max) (mA)

-15

Supply current (max) (µA)

80

Features

Very high speed (tpd 5-10ns)

Operating temperature range (°C)

0 to 70

Rating

Catalog

Number of channels

8

Technology family

FCT

Supply voltage (min) (V)

4.75

Supply voltage (max) (V)

5.25

Input type

TTL-Compatible CMOS

Output type

Push-Pull

Clock frequency (max) (MHz)

70

IOL (max) (mA)

48

IOH (max) (mA)

-15

Supply current (max) (µA)

80

Features

Very high speed (tpd 5-10ns)

Operating temperature range (°C)

0 to 70

Rating

Catalog

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
Direct Clear Input
48-mA Output Sink Current
Output Voltage Swing Limited to 3.7 V
Controlled Output Edge Rates
Input/Output Isolation From V_CC
SCR Latch-Up-Resistant BiCMOS Process and Circuit Design
Applications Include:
- Buffer/Storage Registers
- Shift Registers
- Pattern Generators
Package Options Include Plastic Small-Outline (M) Package and Standard Plastic (E) DIP

BiCMOS Technology With Low Quiescent Power
Buffered Inputs
Direct Clear Input
48-mA Output Sink Current
Output Voltage Swing Limited to 3.7 V
Controlled Output Edge Rates
Input/Output Isolation From V_CC
SCR Latch-Up-Resistant BiCMOS Process and Circuit Design
Applications Include:
- Buffer/Storage Registers
- Shift Registers
- Pattern Generators
Package Options Include Plastic Small-Outline (M) Package and Standard Plastic (E) DIP

The CD74FCT273 is a positive-edge-triggered, D-type flip-flop with a direct clear (CLR\) input. This device 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 48 mA.

Information at the data (D) inputs meeting the setup time requirements is transferred to the Q outputs on the positive-going edge of the clock (CLK) pulse. Clock triggering occurs at a particular voltage level and is not directly related to the transition time of the positive-going pulse. When CLK is at either the high or low level, the D input has no effect at the output. All eight flip-flops are controlled by a common clock (CLK) and a common reset (CLR\). The outputs are placed in a low state when CLR\ is taken low, independent of the CLK.

The CD74FCT273 is characterized for operation from 0°C to 70°C.

The CD74FCT273 is a positive-edge-triggered, D-type flip-flop with a direct clear (CLR\) input. This device 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 48 mA.

Information at the data (D) inputs meeting the setup time requirements is transferred to the Q outputs on the positive-going edge of the clock (CLK) pulse. Clock triggering occurs at a particular voltage level and is not directly related to the transition time of the positive-going pulse. When CLK is at either the high or low level, the D input has no effect at the output. All eight flip-flops are controlled by a common clock (CLK) and a common reset (CLR\). The outputs are placed in a low state when CLR\ is taken low, independent of the CLK.

The CD74FCT273 is characterized for operation from 0°C to 70°C.

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