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IW4017B

IK Semiconductor
Part Number IW4017B
Manufacturer IK Semiconductor
Description Decade Counter/Driver
Published Dec 7, 2005
Detailed Description TECHNICAL DATA Counter/Divider The IW4017B is 5-stage Johnson counter having 10 decoded outputs. Inputs include a CLOCK...
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IW4017B
IW4017B

Overview
TECHNICAL DATA Counter/Divider The IW4017B is 5-stage Johnson counter having 10 decoded outputs.
Inputs include a CLOCK, a RESET, and a CLOCK INHIBIT signal.
Schmitt trigger action in the CLOCK input circuit provides pulse shaping that allows unlimited clock input pulse rise and fall times.
The counter is advanced one count at the positive clock signal transition if the CLOCK INHIBIT signal is low.
Counter advancement via the clock line is inhibited when the CLOCK INHIBIT signal is high.
A high RESET signal clears the counter to its zero count.
Use of the Johnson counter configuration permits high-speed operation, 2-input decode-gating and spike-free decoded outputs.
Anti-lock gating is provided, thus assuring proper counting sequence.
The decoded outputs are normally low and go high only at their respective decoded time slot.
Each decoded output remains high for one full clock cycle.
A CARRY-OUT signal completes one cycle every 10 clock input cycles.
• Operating Voltage Range: 3.
0 to 18 V • Maximum input current of 1 µA at 18 V over full package-temperature range; 100 nA at 18 V and 25°C • Noise margin (over full package temperature range): 1.
0 V min @ 5.
0 V supply 2.
0 V min @ 10.
0 V supply 2.
5 V min @ 15.
0 V supply IW4017B N SUFFIX PLASTIC 16 1 16 1 DW SUFFIX SOIC ORDERING INFORMATION IW4017BN Plastic IW4017BD SOIC TA = -55° to 125° C for all packages PIN ASSIGNMENT LOGIC DIAGRAM FUNCTION TABLE Clock L X X Clock Enable X H X Reset L L H Output State no change no change reset counter Q0=H, Q1-Q9=L, C0=H Advance to next state no change no change Advance to next state L L L L L w w w .
d e e h s a t a .
u t4 m o c X H X PIN 16 =VCC PIN 8 = GND Carry Out=H for Q0,Q1,Q2,Q3 or Q4=H Carry Out = L otherwise, X=don’t care 1 www.
DataSheet4U.
com IW4017B MAXIMUM RATINGS* Symbol VCC VIN VOUT IIN PD 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 ...


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