Prodotti > Circuiti integrati (CI) > CI logici > CD74HC123PW
CD74HC123PW TSSOP-16
TI
  • CD74HC123PW
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CD74HC123PW

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Monostable Multivibrator, 74HC123, 25 ns, 5.2 mA, 2 V to 6 V, TSSOP-16

Fabbricante :
Texas Instruments, Inc
Pacchetto :
TSSOP-16
Tipologia di produzione :
Monostable Multivibrator
Datasheet:
CD74HC123PW PDF
RoHs Status:
Rohs
Codice di marcatura:
HJ123
Stock:
52

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CD74HC123PW Dettagli del prodotto

The ’HC123, ’HCT123, CD74HC423 and CD74HCT423 are dual monostable multivibrators with resets. They are all retriggerable and differ only in that the 123 types can be triggered by a negative to positive reset pulse; whereas the 423 types do not have this feature. An external resistor (RX) and an external capacitor (CX) control the timing and the accuracy for the circuit. Adjustment of Rx and CX provides a wide range of output pulse widths from the Q and Q\ terminals. Pulse triggering on the A\ and B inputs occur at a particular voltage level and is not related to the rise and fall times of the trigger pulses.

Once triggered, the output pulse width may be extended by retriggering inputs A\ and B. The output pulse can beterminated by a LOW level on the Reset (R) pin. Trailing edge triggering (A)\ and leading edge triggering (B) inputs are provided for triggering from either edge of the input pulse. If either Mono is not used each input on the unused device (A\, B, and R\) must be terminated high or low.

The minimum value of external resistance, Rx is typically 5k. The minimum value external capacitance, CX, is 0pF. The calculation for the pulse width is tW = 0.45 RXCX at VCC = 5V.

Caratteristica

  • Overriding Reset Terminates Output Pulse
  • Triggering From the Leading or Trailing Edge
  • Q and Q\ Buffered Outputs
  • Separate Resets
  • Wide Range of Output-Pulse Widths
  • Schmitt Trigger on Both A\ and B Inputs
  • Fanout (Over Temperature Range)
    • Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
    • Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
  • Wide Operating Temperature Range . . . –55°C to 125°C
  • 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, Il1μA at VOL, VOH
Description

The ’HC123, ’HCT123, CD74HC423 and CD74HCT423 are dual monostable multivibrators with resets. They are all retriggerable and differ only in that the 123 types can be triggered by a negative to positive reset pulse; whereas the 423 types do not have this feature. An external resistor (RX) and an external capacitor (CX) control the timing and the accuracy for the circuit. Adjustment of Rx and CX provides a wide range of output pulse widths from the Q and Q\ terminals. Pulse triggering on the A\ and B inputs occur at a particular voltage level and is not related to the rise and fall times of the trigger pulses.

Once triggered, the output pulse width may be extended by retriggering inputs A\ and B. The output pulse can beterminated by a LOW level on the Reset (R) pin. Trailing edge triggering (A)\ and leading edge triggering (B) inputs are provided for triggering from either edge of the input pulse. If either Mono is not used each input on the unused device (A\, B, and R\) must be terminated high or low.

The minimum value of external resistance, Rx is typically 5k. The minimum value external capacitance, CX, is 0pF. The calculation for the pulse width is tW = 0.45 RXCX at VCC = 5V.

Parametri tecnici

Elements per Chip 2 Supply Voltage Min 2 V
Logic Family HC Maximum Operating Temperature + 125 C
Logic Type Monostable Multivibrator Minimum Operating Temperature - 55 C
Package / Case TSSOP-16 Packaging Tube
Propagation Delay Time 320 ns, 64 ns, 54 ns Mounting Style SMD/SMT
High Level Output Current - 5.2 mA Operating Supply Voltage 2.5 V, 3.3 V, 5 V
Low Level Output Current 5.2 mA Factory Pack Quantity 90
Supply Voltage Max 6 V

CD74HC123PW Documents

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Ratings and Reviews (1)

  • 5 / 5
  • 5 Stars 100%
  • 4 Stars 0%
  • 3 Stars 0%
  • 2 Stars 0%
  • 1 Stars 0%
  • ****ов Андрей Вячесла*****
    2020-03-28

    Спасибо. Заказ получил. Качество хорошее.

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FAQ:

Q: How does Jotrin guarantee that CD74HC123PW is the original manufacturer or agent of TI?
We have a professional business development department to strictly test and verify the qualifications of TI original manufacturers and agents. All TI suppliers must pass the qualification review before they can publish their CD74HC123PW devices; we pay more attention to the channels and quality of CD74HC123PW products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
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You can use Jotrin's intelligent search engine, or filter by Semiconductors ; Logic ; Specialty logic category, or find it through Texas Instruments, Inc Information page.
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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
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Texas Instruments, Inc

TI
Texas Instruments Incorporated designs and manufactures analog technologies, digital signal processing (DSP) and microcontroller (MCU) semiconductors. TI is a leader in semiconductor solutions for ana...
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