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CD54HCT373

Features: • Common Latch Enable Control• Common Three-State Output Enable Control• Buffered Inputs• Three-State Outputs• Bus Line Driving Capacity• Typical Propagation Delay = 12ns at VCC = 5V, CL = 15pF, TA = 25 (Data to Output for HC373)• Fanout (Over Te...

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SeekIC No. : 004311794 Detail

CD54HCT373: Features: • Common Latch Enable Control• Common Three-State Output Enable Control• Buffered Inputs• Three-State Outputs• Bus Line Driving Capacity• Typical Propag...

CD54HCT373 Data Sheet

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Part Number:
CD54HCT373
Supply Ability:
5000

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Product Details

Description



Features:

• Common Latch Enable Control
• Common Three-State Output Enable Control
• Buffered Inputs
• Three-State Outputs
• Bus Line Driving Capacity
• Typical Propagation Delay = 12ns at VCC = 5V, CL = 15pF, TA = 25 (Data to Output for HC373)
• Fanout (Over Temperature Range)
    - Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
    - Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
• Wide Operating Temperature Range . . . -55 to 125
• Balanced Propagation Delay and Transition Times
• Significant Power Reduction Compared to LSTTL Logic ICs
• HC Types
    - 2V to 6V Operation
    - High Noise Immunity: NIL = 30%, NIH = 30% of VCC at 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, Il £ 1mA at VOL, VOH


Pinout

Connection Diagram


Specifications

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 VCC or Ground Current, ICC . . . . . . . . . . . . . . . . . . . . . . ±50mA 


Description

The 'HC373, 'HCT373, 'HC573, and 'HCT573 are high speed Octal Transparent Latches manufactured with silicon gate CMOS technology. They possess the low power consumption of standard CMOS integrated circuits, as well as the ability to drive 15 LSTTL devices. The 'HCT373 and 'HCT573 are functionally as well as pin compatible with the standard LS373 and LS573.

The CD54HCT373 outputs are transparent to the inputs when the latch enable (LE) is high. When the latch enable (LE) goes low the data is latched. The output enable (OE) controls the threestate outputs. When the output enable (OE) is high the outputs are in the high impedance state. The latch operation is independent to the state of the output enable. The 373 and 573 are identical in function and differ only in their pinout arrangements.




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