Purchase CD54HC640, In-stock CD54HC640 From SeekIC.
Part Number: CD54HC640
Description: The'HC640 and'HCT640 silicon-gate CMOSthree-statebidirectional inverting and non-inverting buffers are...
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CD54HC640
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DataSheet
General Description
CD54HC640 General Description
The'HC640 and'HCT640 silicon-gate CMOSthree-statebidirectional inverting and non-inverting buffers are intended for two-way asynchronous communication between data buses.They have high drive current outputs which enable high-speed operation when driving large bus capacitances. These circuits possess the low power dissipation of CMOS circuits,and have speeds comparable to low power Schottky TTL circuits.They can drive 15 LSTTL loads.The'HC640 and 'HCT640 are inverting buffers.
The direction of data flow(AtoB,BtoA) is controlled by the DIR input.
Outputs are enabled by a low on the Output Enable input (OE);a high OE puts these devices in the high impedance mode.
CD54HC640 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 Drain Current, per Output, IO
For -0.5V < VO < VCC + 0.5V. . . . . . . . . . . . . . . . . . . . . . . . .±35mA
DC Output Source or Sink Current per Output Pin, IO
For VO > -0.5V or VO < VCC + 0.5V . . . . . . . . . . . . . . . . . . . .±25mA
DC VCC or Ground Current, ICC . . . . . . . . . . . . . . . . . . . . . . ±50mA
CD54HC640 Features
•Buffered Inputs
•Three-State Outputs
•Applications in Multiple-Data-Bus Architecture
•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
•Three-State Outputs
•Applications in Multiple-Data-Bus Architecture
•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
CD54HC640 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
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
CD54HC640 Connection Diagram
CD54HC640
PDF/DataSheet Download
- Datasheet: CD54HC640
- File Size: 275392 KB
- Manufacturer: TI
- Click here to Download
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