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CD74FCT623

Features: BiCMOS Technology With Low Quiescent PowerBuffered InputsNoninverted OutputsInput/Output Isolation From VCCControlled Output Edge Rates64-mA Output Sink CurrentOutput Voltage Swing Limited to 3.7 V at VCC = 5 VSCR Latch-Up-Resistant BiCMOS Process and Circuit DesignPackage Options Includ...

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SeekIC No. : 004311940 Detail

CD74FCT623: Features: BiCMOS Technology With Low Quiescent PowerBuffered InputsNoninverted OutputsInput/Output Isolation From VCCControlled Output Edge Rates64-mA Output Sink CurrentOutput Voltage Swing Limited...

CD74FCT623 Data Sheet

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Part Number:
CD74FCT623
Supply Ability:
5000

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  • 1~5000
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  • 15 Days
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Product Details

Description



Features:

 BiCMOS Technology With Low Quiescent Power
 Buffered Inputs
 Noninverted Outputs
 Input/Output Isolation From VCC
 Controlled Output Edge Rates
 64-mA Output Sink Current
 Output Voltage Swing Limited to 3.7 V at VCC = 5 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


Pinout

Connection Diagram


Specifications

DC supply voltage range, VCC  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.5 V to 6 V
DC input clamp current, IIK (VI < 0.5 V)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 mA
DC output clamp current, IOK (VO < 0.5 V)  . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . .50 mA
DC output sink current per output pin, IOL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .70 mA
DC output source current per output pin, IOH  . . . . . . . . . . . . . .. . . . . . . . . . . . . .. . .30 mA
Continuous current through VCC, ICC  . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140 mA
Continuous current through GND  . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . .. .528 mA
Package thermal impedance, JA (see Note 1)  E package)  . .. . . . . . . . . . . . . . . . .. .69°C/W
                                                                          M package) . . . . . . . . . . . . . . . . . . . . 58°C/W
                                                                          SM package)  . . .  . . . . . . . . . . . .  . . .70°C/W
Storage temperature range, Tstg  . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . 65°C to 150°C


Description

The CD74FCT623 is an octal bus transceiver that 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 VCC. This resultant lowering of output swing (0 V to 3.7 V) reduces power-bus ringing [a source of electromagnetic interference (EMI)] and minimizes VCC bounce and ground bounce and their effects during simultaneous output switching. The CD74FCT623 output configuration also enhances switching speed and is capable of sinking 64 mA.

CD74FCT623 is a noninverting, 3-state, bidirectional transceiver-buffer intended for two-way transmission from A bus to B bus or B bus to A bus, depending on the logic levels of the output-enable (OEAB, OEBA) inputs.

The dual output-enable provision gives CD74FCT623 the capability to store data by simultaneously enabling OEAB and OEBA. Each output reinforces its input under these conditions, and when all other data sources to the bus lines are at high impedance, both sets of bus lines remain in their last states.

The CD74FCT623 is characterized for operation from 0°C to 70°C.




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