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NTE4569B Programmable Dual 4−Bit BCD/Binary Counter

Model:

NTE4569B

 | Catalog #: 55050921
Price:
$4.52
$4.52
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  • Voltage: 30V
  • Drain current: 15mA
  • Operating temperature: +150°C
  • Storage temperature range: --65°C to +200°C
  • N-Channel silicon

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  • VDD: −0.5 to +18.0V
  • Vin: −0.5 to VDD + 0.5V
  • I (per pin): 10mA
  • TA: −55 to +125°C
  • Tstg: −65 to +150°C
  • Above are absolute maximum ratings*

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  • I (per pin): 10mA
  • TA: −55° to +125°C
  • Tstg: −65° to +150°C
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  • Vin: −0.5 to VDD to +0.5V
  • I (per pin): 10mA
  • TA: −55° to +125°C
  • Tstg: −65° to +150°C
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  • Low reverse transfer capacitance: 0.02pF Typ
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  • Drain source voltage: 20V
  • Drain current: 25mA
  • Miximum channel temperature: +125°C
  • Storage temperature range: −55° to +125°C
  • N-Channel silicon dual

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  • Available outputs 28, 210, 213, or 216
  • Increments on positive edge clock transitions
  • Low symmetrical output resistance (typically 10Ω at 15VDC)
  • Built−in low power RC oscillator
  • &plusnm;2% accuracy over temperature range and &plusnm;10% supply and &plusnm;3% over processing at < 10kHz
  • Oscillator frequency range DC to 100kHz
  • Oscillator may be bypassed if external clock is available (apply external clock to pin3)
  • Automatic reset initializes all counters when power turned on
  • Limits − VDD from 8.5VDC to 18VDC when enabled
  • External master reset totally independent of automatic reset operation
  • Operates as 2n frequency divider or single transition timer
  • Q/Q select provides output logic level flexibility
  • Reset (auto or master) disables oscillator during resetting to provide no active power dissipation
  • Clock conditioning circuit permits operation with very slow clock rise and fall times
  • Supply voltage range = 3VDC to 18VDC

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Product Summary

The NTE4569B is a programmable divide−by−N dual 4−bit binary or BCD down counter in a 16−lead DIP-type package constructed with MOS P−channel and N−channel enhancement mode devices (complementary MOS) in a monolithic structure. This device has been designed for use with a 4569B phase comparator/counter in frequency synthesizers, phase−locked loops, and other frequency division applications requiring low-power dissipation and/or high-noise immunity.

  • 9.5MHz typical counting rate at 10V for any division ratio > 1
  • Speed−up circuitry for zero detection and preset enable
  • Each 4−bit counter can divide independently in BCD or binary mode
  • Quiescent current = 5.0nA/package (Typ) at 5VDC
  • VDD: −0.5 to +18.0V
  • Vin: −0.5 to VDD + 0.5V
  • I (per pin): 10mA
  • TA: −55 to +125°C
  • Tstg: −65 to +150°C
  • Voltages referenced to VSS*
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: * This device contains circuitry to protect the inputs against damage due to high static voltages or electric fields; however, it is advised that normal precautions be taken to avoid application of any voltage higher than maximum rated voltages to this high impedance circuit. For proper operation it is recommended that Vin and Vout be constrained to the range VSS ≤ (Vin or Vout) ≤ VDD. Unused inputs must always be tied to an appropriate logic voltage level (e.g., either VSS or VDD).

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