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Package Options Include Plastic

Small-Outline Packages and Standard

Plastic 300-mil DIPs

description

The SN74F112 contains two independent J-K

negative-edge-triggered flip-flops. A low level at

the preset (PRE) or clear (CLR) inputs sets or

resets the outputs regardless of the levels of the

other inputs. When PRE and CLR are inactive

(high), data at the J and K inputs meeting the setup

time requirements is transferred to the outputs on

the negative-going edge of the clock pulse. Clock

triggering occurs at a voltage level and is not

directly related to the rise time of the clock pulse.

Following the hold-time interval, data at the J and

K inputs may be changed without affecting the

levels at the outputs. The SN74F112 can perform

as a toggle flip-flop by tying J and K high.

The SN74F112 is characterized for operation from

0°C to 70°C.