Features: • Supply Voltage Range = 3.0 to 18 V• Capable of Driving Two LowPower TTL Loads, One LowPower Schottky TTL Load or Two HTL Loads Over the Rated Temperature Range.• Chip Complexity: 549 FETs or 137 Equivalent GatesPinoutSpecifications Rating Symbol Value Unit ...
MC14568B: Features: • Supply Voltage Range = 3.0 to 18 V• Capable of Driving Two LowPower TTL Loads, One LowPower Schottky TTL Load or Two HTL Loads Over the Rated Temperature Range.• Chip C...
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Rating | Symbol | Value | Unit |
DC Supply Voltage | VDD | 0.5 to + 18 | Vdc |
Input Voltage, All Inputs | Vin | 0.5 to VDD+ 0.5 | Vdc |
DC Input Current, per Pin | Iin | ±10 | mAdc |
Power Dissipation, per Package† | PD | 500 | mW |
Operating Temperature Range | TA | 55 to + 125 | °C |
Storage Temperature Range | Tstg | 65 to + 150 | °C |
The MC14568B consists of a phase comparator, a divideby4, 16, 64 or10 counter and a programmable divide byN 4bit binary counter (allpositiveedge triggered) constructed wth MOS Pchannel and N channelenhancement mode devices (complementary MOS) in a monolithic structure.
The MC14568B has been esigned for use in conjunction with a programmable dividebyN counter for frequency synthesizers and phaselocked loop applications requiringow power dissipation and/or high noise immunity.
MC14568B can be used with both counters cascaded and the output ofthe second counter connected to the phase comparator (CTL high), or used independently of the programmable dividebyN counter, for example cascaded with a MC14569B, MC14522B or MC14526B (CTL low).