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CD4521BE +BOM

CMOS 24-Stage Frequency Divider

CD4521BE Descrizione generale

CD4521B consists of an oscillator section and 24 ripple-carry binary counter stages. The oscillator configuration (using IN1) allows design of either RC or crystal oscillator circuits. IN1 should be tied either HIGH or LOW when not in use. A HIGH on the RESET causes the counter to go to the all-0’s state and disables the oscillator. The count is advanced on the negative transition of IN1 (and IN2). A time-saving test mode is described in the Functional Test Sequence Table and in Fig. 6.

The CD4521B types are supplied in 16-lead dual-in-line plastic packages (E suffix), 16-lead small-outline packages (M, M96, MT, and NSR suffixes), and 16-lead thin shrink small-outline packages (PW and PWR suffixes).

Texas Instruments, Inc inventario

Caratteristiche principali

  • Reset disables the RC oscillator for low-power standby condition
  • VDD’ and VSS’ pins are brought out from the crystal oscillator to allow use of external resistors for low-power operation
  • Maximum input current of 1 µA at 18 V over full package-temperature range:
    100 nA at 18 V and 25°C
  • Common reset
  • 100% tested for 20-V quiescent current
  • 5, 10 and 15 V parametric ratings
  • Standardized symmetrical output characteristics
  • Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of ’B’ Series CMOS Devices"

Data sheet acquired from Harris Semiconductor

Texas Instruments, Inc Stock originale
Texas Instruments, Inc inventario

Specifiche

Category Integrated Circuits (ICs)LogicCounters, Dividers Series 4000B
Logic Type Divide-by-2 Direction -
Number of Elements 1 Number of Bits per Element 24
Reset Asynchronous Timing -
Count Rate 13 MHz Trigger Type Negative Edge
Voltage - Supply 3 V ~ 18 V Operating Temperature -55°C ~ 125°C
Mounting Type Through Hole Base Product Number CD4521

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Valutazioni e recensioni

Di più
S
S**s 12/28/2023

Already the 2nd time i order, all the norms. I used for arduino, for a intercom copier such a screen.

3
S
S**a 12/08/2023

50A looks but for my opinion it is aprox 16-10 ampere. not burning but very very much heating on 12 amper continously , I make it parallel 2 pcs ok it is works normally

2
A
A**n 11/26/2023

As descripted . More when I use the thermoelectric peltier devices .

4
L
L**m 05/20/2021

The product meets with the description. Very fast delivery. I strongly recommend this seller.

17

Recensioni

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In Stock: 3.070

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