전자부품 데이터시트 검색엔진 |
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74LCXH16244 데이터시트(PDF) 4 Page - Fairchild Semiconductor |
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74LCXH16244 데이터시트(HTML) 4 Page - Fairchild Semiconductor |
4 / 9 page www.fairchildsemi.com 4 DC Electrical Characteristics (Continued) Note 4: An external driver must source at least the specified current to switch from LOW-to-HIGH. Note 5: An external driver must sink at least the specified current to switch from HIGH-to-LOW. AC Electrical Characteristics Note 6: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH). Parameter guaranteed by design. Symbol Parameter Conditions VCC TA = −40°C to +85°C Units (V) Min Max II(HOLD) Bushold Input Minimum VIN = 0.7V 2.3 45 µA Drive Hold Current VIN = 1.7V −45 VIN = 0.8V 3.0 75 VIN = 2.0V −75 II(OD) Bushold Input Over-Drive (Note 4) 2.7 300 µA Current to Change State (Note 5) −300 (Note 4) 3.6 450 (Note 5) −450 IOZ 3-STATE Output Leakage 0 ≤ V O ≤ 5.5V 2.3 − 3.6 ±5.0 µA VI = VIH or VIL IOFF Power-Off Leakage Current VO = 5.5V 0 10 µA ICC Quiescent Supply Current VI = VCC or GND 2.3 − 3.6 20 µA ∆I CC Increase in ICC per Input VIH = VCC −0.6V 2.3 − 3.6 500 µA Symbol Parameter TA = −40°C to +85°C, RL = 500 Ω Units VCC = 3.3V ± 0.3V VCC = 2.7V VCC = 2.5V ± 0.2V CL = 50 pF CL = 50 pF CL = 30 pF Min Max Min Max Min Max tPHL Propagation Delay 1.0 4.5 1.0 5.2 1.0 5.4 ns tPLH Data to Output 1.0 4.5 1.0 5.2 1.0 5.4 tPZL Output Enable Time 1.0 5.5 1.0 6.3 1.0 7.2 ns tPZH 1.05.5 1.06.3 1.07.2 tPLZ Output Disable Time 1.0 5.4 1.0 5.7 1.0 6.5 ns tPHZ 1.05.4 1.05.7 1.06.5 tOSHL Output to Output Skew (Note 6) 1.0 ns tOSLH 1.0 |
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