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MC14516B

Part Number	MC14516B
Manufacturer	ON Semiconductor
Description	Binary Up/Down Counter
Published	Jun 26, 2005
Detailed Description	MC14516B Binary Up/Down Counter The MC14516B synchronous up/down binary counter is constructed with MOS P−channel and N...
Datasheet	MC14516B PDF File

Overview

MC14516B Binary Up/Down Counter The MC14516B synchronous up/down binary counter is constructed with MOS P−channel and N−channel enhancement mode devices in a monolithic structure.
This counter can be preset by applying the desired value, in binary, to the Preset inputs (P0, P1, P2, P3) and then bringing the Preset Enable (PE) high.
The direction of counting is controlled by applying a high (for up counting) or a low (for down counting) to the UP/DOWN input.
The state of the counter changes on the positive transition of the clock input.
Cascading can be accomplished by connecting the Carry Out to the Carry In of the next stage while clocking each counter in parallel.
The outputs (Q0, Q1, Q2, Q3) can be reset to a low state by applying a high to the reset (R) pin.
This CMOS counter finds primary use in up/down and difference counting.
Other applications include: (1) Frequency synthesizer applications where low power dissipation and/or high noise immunity is desired, (2) Analog−to−Digital and Digital−to−Analog conversions, and (3) Magnitude and sign generation.
Features • Diode Protection on All Inputs • Supply Voltage Range = 3.
0 Vdc to 18 Vdc • Internally Synchronous for High Speed • Logic Edge−Clocked Design — Count Occurs on Positive Going Edge of Clock • Single Pin Reset • Asynchronous Preset Enable Operation • Capable of Driving Two Low−Power TTL Loads or One Low−Power Schottky Load Over the Rated Temperature Range • These Devices are Pb−Free and are RoHS Compliant • NLV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable MAXIMUM RATINGS (Voltages Referenced to VSS) Parameter Symbol Value Unit DC Supply Voltage Range Input or Output Voltage Range (DC or Transient) VDD Vin, Vout −0.
5 to +18.
0 − 0.
5 to VDD + 0.
5 V V Input or Output Current (DC or Transient) Iin, Iout ± 10 mA per Pin Power Dissipation, per Package (Note 1) PD 500 mW Ambient Temperature Range TA −55 to...

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