The 74LS74 device contain two independent D-type Positive Edge-triggered flip-flops. A low level at preset or clear inputs sets or resets the output regardless of the levels of the other inputs. When preset and clear are inactive(high), data at the D input meeting the setup time requirements are transferred to the output on the positive-going edge of the clock pulse. Following the hold time interval, data at the D input maybe changed without affecting the levels at the output. The 74LS74 is characterized for operation from O° C to 70° C.
Specification:-
| Symbol | Parameter | Min | Type | Max | Units |
| VCC | Supply Voltage | 4.5 | 5 | 5.25 | V |
| TA | Operating Ambient Temperature Range | 0 | 70 | °C | |
| IOH | Output Current — High | –0.4 | m A | ||
| IOL | Output Current — Low | 8 | m A |
* product image for illustration purposes only. actual product may vary.
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