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MFG:MOT  Package Cooled:85+  D/C:DIP  

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Part Number: CD54HC20

 

MFG: MOT

Package Cooled: 85+

D/C: DIP

Description: The'HC20and'HCT20 logic gates utilize silicon gate CMOS technology to achieve operating speeds similar...


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CD54HC20 General Description


The'HC20and'HCT20 logic gates utilize silicon gate CMOS technology to achieve operating speeds similar to LSTTL gates with the low power consumption of standard CMOS integrated circuits.All devices have the ability to drive 10 LSTTL loads.The HCT logic family is functionally pin compatible with the standard LS logic family.

CD54HC20 Maximum Ratings

DC Supply Voltage, VCC. . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 7V
DC Input Diode Current, IIK
For VI < -0.5V or VI > VCC + 0.5V. . . . . . . . . . . . . . . . . . . . . .±20mA
DC Output Diode Current, IOK
For VO < -0.5V or VO > VCC + 0.5V . . . . . . . . . . . . . . . . . . . . ±20mA
DC Output Source or Sink Current per Output Pin, IO
For VO > -0.5V or VO < VCC + 0.5V . . . . . . . . . . . . . . . . . . . . ±25mA
DC VCCor Ground Current, ICC orIGND. . . . . . . . . . . . . . . . . .±50mA

CD54HC20 Features

•Buffered Inputs
•Typical Propagation Delay: 8ns at VCC = 5V,CL = 15pF, TA = 25oC
•Fanout (Over Temperature Range)
-Standard Outputs. . . . . . . . . . . . . . .10 LSTTL Loads
-Bus Driver Outputs . . . . . . . . . . . . .15 LSTTL Loads
•Wide Operating Temperature Range . . .-55oC to 125oC
•Balanced Propagation Delay and Transition Times
•Significant Power Reduction Compared to LSTTLLogic ICs
•HC Types
-2V to 6V Operation
-High Noise Immunity: NIL = 30%, NIH = 30% of VCCat VCC = 5V
•HCT Types
-4.5V to 5.5V Operation
-Direct LSTTL Input Logic Compatibility,VIL= 0.8V (Max), VIH = 2V (Min)
-CMOS Input Compatibility, Il1µA at VOL, VOH

CD54HC20 Typical Application


Amplifiers                   amplifier.ti.com             Audio
Data Converters        dataconverter.ti.com    Automotive
DSP                            dsp.ti.com                    Broadband
Interface                    interface.ti.com            Digital Control
Logic                          logic.ti.com                   Military
Power Mgmt              power.ti.com                Optical Networking
Microcontrollers         microcontroller.ti.com   Security
                                                                     Telephony
                                                                      Video & Imaging
                                                                      Wireless

CD54HC20 Connection Diagram

CD54HC20  Connection Diagram

CD54HC20 datasheet

CD54HC20F3A
PDF/DataSheet Download

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  • CD54HC194

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  • CD54HC192

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    The 'HC192, 'HC193 and 'HCT193 are asynchronously presettable BCD Decade and Binary Up/Down synchronous counters, respectively.Presetting the CD54HC192 counter to the number on the preset data inputs (P0-P3) is accomplished by a LOW asynchronous parallel loa...

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