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IN74ACT161

IK Semiconductor
Part Number IN74ACT161
Manufacturer IK Semiconductor
Description 4-Bit Synchronous Binary Counter
Published Dec 8, 2005
Detailed Description TECHNICAL DATA IN74ACT161 Presettable Counter High-Speed Silicon-Gate CMOS The IN74ACT161 is identical in pinout to th...
Datasheet PDF File IN74ACT161 PDF File

IN74ACT161
IN74ACT161

Overview
TECHNICAL DATA IN74ACT161 Presettable Counter High-Speed Silicon-Gate CMOS The IN74ACT161 is identical in pinout to the LS/ALS161, HC/HCT161.
The IN74ACT161 may be used as a level converter for interfacing TTL or NMOS outputs to High Speed CMOS Inputs.
The IN74ACT161 is programmable 4-bit synchronous modulo-16 counter that feature parallel Load, asynchronous Reset, a Carry Output for cascading and count-enable controls.
The IN74ACT161 is binary counter with asynchronous 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 µA @ 25° C • Outputs Source/Sink 24 mA ORDERING INFORMATION IN74ACT161N Plastic IN74ACT161D SOIC TA = -40° to 85° C for all packages LOGIC DIAGRAM PIN ASSIGNMENT PIN 16 =VCC PIN 8 = GND Inputs Reset L H H H H H Load X L Enable P X X X L H X FUNCTION TABLE Outputs Enable T X X L X H X Clock X Q0 L P0 Q1 L P1 Q2 L P2 Q3 L P3 Function Reset to “0” Preset Data No count No count Count No count w w w .
d e e h s a t a X=don’t care P0,P1,P2,P3 = logic level of Data inputs Ripple Carry Out = Enable T • Q0 • Q1 • Q2 • Q3 .
u t4 m o c H H H X No change No change Count up No change 1 www.
DataSheet4U.
com IN74ACT161 MAXIMUM RATINGS* Symbol VCC VIN VOUT IIN IOUT ICC PD Tstg TL * Parameter DC Supply Voltage (Referenced to GND) DC Input Voltage (Referenced to GND) DC Output Voltage (Referenced to GND) DC Input Current, per Pin DC Output Sink/Source Current, per Pin DC Supply Current, VCC and GND Pins Power Dissipation in Still Air, Plastic DIP+ SOIC Package+ Storage Temperature Lead Temperature, 1 mm from Case for 10 Seconds (Plastic DIP or SOIC Package) Value -0.
5 to +7.
0 -0.
5 to VCC +0.
5 -0.
5 to VCC +0.
5 ±20 ±50 ±50 750 500 -65 to +150 260 Unit V V V mA mA mA mW °C °C Maximum Ratings are those values beyond which damage to the device may occur.
Functional operation should be restricted to the Recommended Operating Conditions.
+D...


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