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Stock Status: 92747


US $5.33
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  • Encapsulation: DIP
  • Brand: Intersil
  • ≥1: US $5.32732 US $4.79459
  • ≥10: US $4.43323 US $3.98990
  • ≥100: US $4.43323 US $3.98990


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-Functions as a frequency counter (DC to 10MHz)

-Four internal gate times: 0.01s, 0.1s, 1s, 10s in frequency

counter mode

-Directly drives digits and segments of large multiplexed

LED displays (common anode and common cathode


-Single nominal 5V supply required

-Highly stable oscillator, uses 1MHz or 10MHz crystal

-Internally generated decimal points, interdigit blanking,

leading zero blanking and overflow indication

-Display off mode turns off display and puts chip into low

power mode

-Hold and reset inputs for additional flexibility


8-Digit, Multi-Function, Frequency


The ICM7216B is a fully integrated Timer Counters with LED

display drivers. They combine a high frequency oscillator, a

decade timebase counter, an 8-decade data counter and

latches, a 7-segment decoder, digit multiplexers and 8-

segment and 8-digit drivers which directly drive large

multiplexed LED displays. The counter inputs have a

maximum frequency of 10MHz in frequency and unit counter

modes and 2MHz in the other modes. Both inputs are digital

inputs. In many applications, amplification and level shifting

will be required to obtain proper digital signals for these


The ICM7216B can function as a frequency counter, period

counter, frequency ratio (fA/fB) counter, time interval counter

or as a totalizing counter. The counter uses either a 10MHz

or 1MHz quartz crystal timebase. For period and time

interval, the 10MHz timebase gives a 0.1μs resolution. In

period average and time interval average, the resolution can

be in the nanosecond range. In the frequency mode, the

user can select accumulation times of 0.01s, 0.1s, 1s and

10s. With a 10s accumulation time, the frequency can be

displayed to a resolution of 0.1Hz in the least significant

digit. There is 0.2s between measurements in all ranges.

The ICM7216D functions as a frequency counter only, as

described above.

All versions of the ICM7216 incorporate leading zero

blanking. Frequency is displayed in kHz. In the ICM7216B,

time is displayed in μs. The display is multiplexed at 500Hz

with a 12.2% duty cycle for each digit. The ICM7216B and

ICM7216D are designed for common cathode displays with

typical peak segment currents of 12mA. In the display off

mode, both digit and segment drivers are turned off,

enabling the display to be used for other functions.

  • ICM7216DIPI's pdf picture 1
  • ICM7216DIPI's pdf picture 2
  • ICM7216DIPI's pdf picture 3

Click to view the PDF >>

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    Excellent service from the utsource team. Search, order, pay and received everything as i wanted. This is the only electronic components store without minimum order quantity for rare integrated circuits.



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