IN74ACT163 Ver la hoja de datos (PDF) - IK Semicon Co., Ltd
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IN74ACT163 Datasheet PDF : 8 Pages
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TECHNICAL DATA
Presettable Counters
High-Speed Silicon-Gate CMOS
IN74ACT163
The IN74ACT163A is identical in pinout to the LS/ALS163
HC/HCT163. The IN74ACT163 may be used as a level converter for
interfacing TTL or NMOS outputs to High Speed Cmos Inputs.
The IN74ACT163A is programmable 4-bit synchronous counter that
feature parallel Load, synchronous Reset, a Carry Output for cascading
and count-enable controls.
The IN74ACT163A is binary counter with synchronous Reset.
• 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 mA @25°C
• Ouptuts Source/Sink 24mA
ORDERING INFORMATION
IN74ACT163N Plastic
IN74ACT163D SOIC
TA = -40° to 85° C for all packages
LOGIC DIAGRAM
PIN ASSIGNMENT
PIN 16 =VCC
PIN 8 = GND
FUNCTION TABLE
Inputs
Outputs
Reset Load Enable Enable Clock Q0 Q1 Q2 Q3
P
T
Function
L
X
X
X
L L L L Reset to “0”
H
L
X
X
P0 P1 P2 P3 Preset Data
H
H
X
L
No change
No count
H
H
L
X
No change
No count
H
H
H
H
Count up
Count
X
X
X
X
No change
No count
X=don’t care
P0,P1,P2,P3 = logic level of Data inputs
Ripple Carry Out = Enable T • Q0 • Q1 • Q2 • Q3
Rev. 00
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