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NTE74HC373 IC High-Speed CMOS Latch w/ 3−State Output

Model:

NTE74HC373

 | Catalog #: 55051003
Price:
$1.66
$1.66
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  • Wide power supply range: 2V to 6V
  • High-noise immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
  • Typical propagation delay: 7ns at VCC = 5V, CL = 15pF, TA = +25°C
  • Fanout (over temp range):
    Std. outputs 10 LS−TTL loads
    Bus driver outputs 15 LS−TTL loads
  • Balanced propagation delay and transition times
  • Significant power reduction compared to LS−TTL logic ICs
  • Absolute maximum ratings*:
    VCC: −0.5 to +7.0V
  • IIK, IOK: &plusnm;20mA
  • DC drain current (per output), IOUT: &plusnm;25mA
  • DC output source or sink current (per output), IOUT: &plusnm;25mA
  • DC VCC or GND current (per pin), ICC: &plusnm;50mA
  • TJ: +150°C
  • Tstg: −65°C to +150°C
  • RthJA: 80­°C/W
  • TL: +300°C

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  • Wide power supply range: 2V to 6V
  • High-noise immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
  • Buffered inputs
  • Common 3−state output enable control
  • Bus line driving capability
  • Typical propagation delay (clock to Q): 15ns at VCC = 5V, CL = 15pF, TA = +25°C
  • Fanout (over temp range):
    Std. outputs: 10 LS−TTL loads
    Bus driver outputs: 15 LS−TTL loads
  • Absolute maximum ratings*:
    VCC: −0.5 to +7.0V
  • IIK, IOK: &plusnm;20mA
  • DC drain current (per output), IOUT: &plusnm;35mA
  • DC output source or sink current (per output), IOUT: &plusnm;25mA
  • DC VCC or GND current (per pin), ICC: &plusnm;50mA
  • TJ: +150°C
  • Tstg: −65°C to +150°C
  • RthJA: 69°C/W
  • TL: +300°C

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  • Wide power supply range: 2V to 6V
  • High-noise immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
  • Buffered common clock
  • Buffered inputs
  • Typical propagation delay: 14ns at VCC = 5V, CL = 15pF, TA = +25°C
  • Fanout (over temp range):
    Staoutputs: 10 LS−TTL Loads
    Bus driver outputs: 15 LS−TTL loads
  • Balanced propagation delay and transition times
  • Significant power reduction compared to LS−TTL logic ICs
  • Absolute Maximum Ratings*:
    VCC: −0.5 to +7.0V
  • IIK, IOK: &plusnm;20mA
  • DC output source or sink current (per output), IOUT: &plusnm;25mA
  • DC VCC or GND current (per pin), ICC: &plusnm;50mA
  • TJ: +150°C
  • Tstg: −65°C to +150°C
  • RthJA: 69°C/W
  • TL: +300°C

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  • Operation from very slow edges
  • Improved line−receiving characteristics
  • High-noise immunity
  • Absolute maximum ratings:
    VCC: 7V
  • VIN: 5.5V
  • TA: 0°C to +70°C
  • Tstg: −65°C to +150°C
  • Unless otherwise specified, all voltages are referenced to GND

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  • Absolute maximum ratings:
    VCC: 7V
  • VIN: 5.5V
  • TA: 0°C to +70°C
  • Tstg: −65°C to +150°C
  • Unless otherwise specified, all voltages are referenced to GND

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Product Summary

The NTE74HC373 is an octal transparent D−type latch in a 20−lead DIP-type package. When the latch−enable (LE) input is high, the Q outputs follow the data (D) inputs. When LE is low, the Q outputs are latched at the logic levels of the D inputs.

A buffered output−enable (OE) input can be used to place the eight outputs in either a normal logic state (high or low) or the high−impedance state. In the high−impedance state, the outputs neither load nor drive the bus lines significantly. The high−impedance state and increased drive provide the capability to drive bus lines without interface or pull-up components. OE does not affect the internal operations of the latches. Old data can be retained or new data can be entered while the outputs are in the high−impedance state.

To ensure the high−impedance state during power up or power down, OE should be tied to VCC through a pull-up resistor; the minimum value of the resistor is determined by the current−sinking capability of the driver.

  • Wide power supply range: 2V to 6V
  • Balanced propagation delay and transition times
  • Standard output drives up to 15 LS−TTL loads
  • Significant power reduction compared to LS−TTL logic ICs
  • Absolute maximum ratings*:
    VCC: −0.5 to +7.0V
  • IIK, IOK: &plusnm;20mA
  • Drain current (per output), IOUT: &plusnm;35mA
  • DC output source or sink current (per output), IOUT: &plusnm;25mA
  • DC VCC or GND current (per pin), ICC: &plusnm;50mA
  • Tstg: −65°C to +150°C
  • RthJA: 69°C/W
  • TL: +300°C
Pricing and availability: Please note that all prices are subject to change without prior notice. Prices advertised on this site are for online orders only. Prices on some items may differ from those advertised in RadioShack stores. All merchandise may not be available at all stores, and all stores may not participate in all sales promotions. We recommend you contact the store to confirm product availability and price.

Disclaimer: * Absolute Maximum Ratings are those values beyond which damage to the device may occur. Unless otherwise specified, all voltages are referenced to GND.

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