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NTE74LS168A IC-TTL 4-Bit Decade Counter

Model:

NTE74LS168A

 | Catalog #: 55051079
Price:
$3.57
$3.57
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  • Synchronous load
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  • Absolute maximum ratings:
    Supply voltage, VCC: 7V
  • DC input voltage, VIN: 7V
  • Power dissipation, PD: 100mW
  • Operating temperature range, TA: 0°C to +70°C
  • Storage temperature range, Tstg: −65°C to +150°C
  • Unless otherwise specified, all voltages are referenced to GND

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  • Complementary outputs
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  • Gated clock inputs
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  • Absolute maximum ratings:
    VCC: 7V
  • VIN: 7V
  • PD: 10mW
  • 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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  • Gated serial inputs
  • Fully buffered clock and serial inputs
  • Asynchronous clear
  • Absolute maximum ratings:
    VCC: 7V
  • VIN: 7V
  • Per bit PD: 10mW
  • 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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  • Available in 4 types:
  • Decade with direct clear: NTE74LS160A
    Binary with direct clear: NTE74LS161A
  • Decade with synchronous clear: NTE74LS162A
    Binary with synchronous clear: NTE74LS163A
  • Internal look ahead for fast counting
  • Carry output for n−bit cascading
  • Synchronous counting
  • Synchronously programmable
  • Load control line
  • Diode−clamped inputs

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NTE74LS162A IC-TTL Decade Counter

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  • Available in 4 types
  • Decade with direct clear: NTE74LS16
  • Binary with direct clear: NTE74LS161A
  • Decade with synchronous clear: NTE74LS162A
  • Binary with synchronous clear: NTE74LS163A
  • Internal look ahead for fast counting
  • Carry output for n−bit cascading
  • Synchronous counting
  • Synchronously programmable
  • Load control line
  • Diode−clamped inputs

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  • Available in 4 types
  • Decade with direct clear: NTE74LS160A
  • Binary with direct clear: NTE74LS161A
  • Decade with synchronous clear: NTE74LS162A
  • Binary with synchronous clear: NTE74LS163A
  • Internal look ahead for fast counting
  • Carry output for n−bit cascading
  • Synchronous counting
  • Synchronously programmable
  • Load control line
  • Diode−clamped inputs

See Full Product Description

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Availability:

ONLINE In stock
Usually ships in 1 - 2 business days


Go to Product Detail Page
Product Summary

The NTE74LS168A (BCD decade) and NTE74LS169A (4−bit binary) are fully synchronous 4−stage up/down counters in a 16−Lead plastic DIP-type package featuring a preset capability for programmable operation, carry look ahead for easy cascading and a U/D input to control the direction of counting. The NTE74LS168A counts in a BCD decade (8, 4, 2, 1) sequence while the NTE74LS169A operates in a Modulo 16 binary sequence. All state changes, whether in counting or parallel loading, are initiated by the LOW−to−HIGH transition of the clock.

  • Low-power dissipation: 100mW (Typ)
  • High−speed count frequency: 30MHz (Typ)
  • Fully synchronous operation
  • Full carry look ahead for easy cascading
  • Single up/down control input
  • Positive-edge trigger operation
  • Input clamp diodes limit high−speed termination effects
  • Absolute maximum ratings:
    VCC: 7V
  • VIN: 7V
  • 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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