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UPD44164084 Datasheet(PDF) 11 Page - NEC |
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UPD44164084 Datasheet(HTML) 11 Page - NEC |
11 / 32 page 11 Data Sheet M15822EJ7V 1DS µµµµPD44164084, 44164184, 44164364 Electrical Specifications Absolute Maximum Ratings Parameter Symbol Conditions MIN. TYP. MAX. Unit Supply voltage VDD –0.5 +2.9 V Output supply voltage VDDQ –0.5 VDD V Input voltage VIN –0.5 VDD + 0.5 (2.9 V MAX.) V Input / Output voltage VI/O –0.5 VDDQ + 0.5 (2.9 V MAX.) V Operating ambient temperature TA 0 70 °C Storage temperature Tstg –55 +125 °C Caution Exposing the device to stress above those listed in Absolute Maximum Ratings could cause permanent damage. The device is not meant to be operated under conditions outside the limits described in the operational section of this specification. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. Recommended DC Operating Conditions (TA = 0 to 70 °°°°C) Parameter Symbol Conditions MIN. TYP. MAX. Unit Note Supply voltage VDD 1.7 1.9 V Output supply voltage VDDQ 1.4 VDD V 1 High level input voltage VIH (DC) VREF + 0.1 VDDQ + 0.3 V 1, 2 Low level input voltage VIL (DC) –0.3 VREF – 0.1 V 1, 2 Clock input voltage VIN –0.3 VDDQ + 0.3 V 1, 2 Reference voltage VREF 0.68 0.95 V Notes 1. During normal operation, VDDQ must not exceed VDD. 2. Power-up: VIH ≤ VDDQ + 0.3 V and VDD ≤ 1.7 V and VDDQ ≤ 1.4 V for t ≤ 200 ms Recommended AC Operating Conditions (TA = 0 to 70 °°°°C) Parameter Symbol Conditions MIN. TYP. MAX. Unit Note High level input voltage VIH (AC) VREF + 0.2 – V 1 Low level input voltage VIL (AC) – VREF – 0.2 V 1 Note 1. Overshoot: VIH (AC) ≤ VDD + 0.7 V for t ≤ TKHKH/2 Undershoot: VIL (AC) ≥ – 0.5 V for t ≤ TKHKH/2 Control input signals may not have pulse widths less than TKHKL (MIN.) or operate at cycle rates less than TKHKH (MIN.). |
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