The range of conditions, such as supply voltage and ambient temperature, under which an IC is meant to operate. The min/max values in the electrical characteristics table are guaranteed only within this range. For a 3.3 V part, for example, the supply might be specified as 3.0 to 3.6 V.
Japanese name: 推奨動作条件
Recommended operating conditions appears in 2 practice questions across 1 topic, including How to read datasheets.
Field: How to read datasheets
Answer: B. Absolute maximum ratings are limits beyond which damage may occur; characteristics are guaranteed only within the recommended operating conditions
Absolute maximum ratings are limit values that, if exceeded even momentarily, may cause damage or degradation; staying within them only means the device will not be damaged—it does not guarantee correct operation. The values in the electrical characteristics table are guaranteed only within the recommended operating conditions. For example, a 3.3 V device might specify an absolute maximum supply voltage of −0.3 to 4.6 V and recommended operating conditions of 3.0 to 3.6 V. In design, use the device within the recommended operating conditions, and confirm that the absolute maximum ratings are not exceeded even including noise and surges.
Answer: B. Because an input lingering near the threshold increases shoot-through current or causes the output to oscillate
A slowly changing input lingers at intermediate voltages where H/L recognition is undefined. During that time, the pMOS and nMOS of the input stage are both partially on, and shoot-through current flows from the supply to ground, increasing current consumption and heat. Noise can also make the decision flip H, L, H repeatedly, causing the output to oscillate. For this reason, the recommended operating conditions set a lower limit on input transition speed. When slow signals must be received, choose a product with Schmitt-trigger inputs that have hysteresis.
The values in the electrical characteristics table are guaranteed only within the recommended operating conditions.
Which correctly describes the difference between "absolute …For this reason, the recommended operating conditions set a lower limit on input transition speed.
What is the main reason a logic IC's recommended operating …As an Amazon Associate I earn from qualifying purchases.
Absolute maximum ratings 5 V tolerant Allowable power dissipation Derating Dropout voltage Errata Exposed pad Input offset voltage MSL (moisture sensitivity level) Noise margin