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KK74ACT192 Datasheet(PDF) 1 Page - KODENSHI KOREA CORP.

Part No. KK74ACT192
Description  Presettable BCD/Decade UP/DOWN Counter High-Speed Silicon-Gate CMOS
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Manufacturer  KODENSHI [KODENSHI KOREA CORP.]
Direct Link  http://www.kodenshi.co.kr
Logo KODENSHI - KODENSHI KOREA CORP.

KK74ACT192 Datasheet(HTML) 1 Page - KODENSHI KOREA CORP.

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TECHNICAL DATA
KK74ACT192
Presettable BCD/Decade UP/DOWN Counter
High-Speed Silicon-Gate CMOS
ORDERING INFORMATION
KK74ACT192N Plastic
KK74ACT192D SOIC
TA = -40° to 85° C for all packages
The KK74ACT192 is identical in pinout to the LS/ALS192,
HC/HCT192. The KK74ACT192 may be used as a level converter for
interfacing TTL or NMOS outputs to High Speed CMOS inputs.
The counter has two separate clock inputs, a Count Up Clock and
Count Down Clock inputs. The direction of counting is determined by
which input is clocked. The outputs change state synchronous with the
LOW-to-HIGH transitions on the clock inputs. This counter may be
preset by entering the desired data on the P0, P1, P2, P3 input. When
the Parallel Load input is taken low the data is loaded independently
of either clock input. This feature allows the counters to be used as
devide-by-n by modifying the count lenght with the preset inputs. In
addition the counter can also be cleared. This is accomplished by
inputting a high on the Master Reset input. All 4 internal stages are set
to low independently of either clock input.Both a Terminal Count
Down (TCD) and Terminal Count Up (TCU) Outputs are provided to
enable cascading of both up and down counting functions. The TCD
output produces a negative going pulse when the counter underflows
and TCU outputs a pulse when the counter overflows. The counter can
be cascaded by connecting the TCU and TCD outputs of one device to
the Count Up Clock and Count Down Clock inputs, respectively, of
the next device.
PIN ASSIGNMENT
• TTL/NMOS Compatible Input Levels
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 4.5 to 5.5 V
• Low Input Current: 1.0 µA; 0.1 µA @ 25°C
• Outputs Source/Sink 24 mA
LOGIC DIAGRAM
PIN 16 =VCC
PIN 8 = GND
1


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