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參數(shù)資料
| 型號(hào)： | ICM7216B |
| 廠商： | Intersil Corporation |
| 元件分類： | 通用總線功能 |
| 英文描述： | 8-Digit, Multi-Function, Frequency Counters/Timers |
| 中文描述： | 8位數(shù)字，多功能，頻率計(jì)數(shù)器/定時(shí)器 |
| 文件頁(yè)數(shù)： | 1/18頁(yè) |
| 文件大?。?/td> | 642K |
| 代理商： | ICM7216B |
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1
TM
FN3166.3
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
|
Intersil (and design) is a trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2002. All Rights Reserved
ICM7216B, ICM7216D
8-Digit, Multi-Function, Frequency
Counters/Timers
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
inputs.
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 0.1
μ
s 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
μ
s. 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.
Features, All Versions
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
versions)
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
Features, ICM7216B
Functions also as a period counter, unit counter,
frequency ratio counter or time interval counter
1 cycle, 10 cycles, 100 cycles, 1000 cycles in period,
frequency ratio and time interval modes
Measures period from 0.5
μ
s to 10s
Features, ICM7216D
Decimal point and leading zero banking may be externally
selected
Ordering Information
PART
NUMBER
TEMP. RANGE
(
o
C)
PACKAGE
PKG. NO.
ICM7216BlPl
-25
∞
to 85
28 Ld PDIP
E28.6
ICM7216DlPl
-25
∞
to 85
28 Ld PDIP
E28.6
Data Sheet
February 2002
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| ICM7216DIPI | 8-Digit, Multi-Function, Frequency Counters/Timers |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ICM7216B_04 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:8-Digit, Multi-Function, Frequency Counters/Timers |
| ICM7216BIJI | 制造商:HAR 功能描述:7216 HAR'86 13/TUBE CERAMIC |
| ICM7216BIPI | 制造商:Rochester Electronics LLC 功能描述:DISPLAY 8 DIGIT FREQ COUNTER 28PDIP IND - Bulk 制造商:Intersil Corporation 功能描述: |
| ICM7216BIPI WAF | 制造商:Intersil Corporation 功能描述: |
| ICM7216BLPL | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:8-Digit, Multi-Function, Frequency Counters/Timers |
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