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US5C3257 Datasheet(PDF) 5 Page - Unisonic Technologies |
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US5C3257 Datasheet(HTML) 5 Page - Unisonic Technologies |
5 / 6 page US5C3257 Preliminary CMOS IC UNISONICTECHNOLOGIESCO.,LTD 5 of 6 www.unisonic.com.tw QW-R502-891.a POWER SUPPLY CHARACTERISTICS PARAMETER SYMBOL TEST CONDITIONS (Note 1) MIN TYP (Note 2) MAX UNIT Quiescent Power Supply Current ICC VCC=Max., VIN=GND or VCC 0.1 3.0 µA Supply Current per Input @ TTL HIGH ∆ICC VCC=Max., VIN=3.4V (Note 3) 2.5 mA Supply Current per Input per MHz (Note 4) ICCD VCC=Max., I and Y Pins Open BE =GND, Control Input Toggling 50% Duty Cycle 0.25 mA/ MHz Notes:1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VCC=5.0V, TA=25°C ambient and maximum loading. 3. Per TTL driven input (VIN=3.4V, control inputs only); I and Y pins do not contribute to ICC. 4. This current applies to the control inputs only and represent the current required to switch internal capacitance at the specified frequency. The I and Y inputs generate no significant AC or DC currents as they transition. This parameter is not tested, but is guaranteed by design. SWITCHING CHARACTERISTICS OVER OPERATIONG RANGE PARAMETER SYMBOL TEST CONDITIONS (Note 1) MIN TYP MAX UNIT Propagation Delay In to Yn (Note 2, 3) tIY CL=50pF, RL=500Ω 0.25 ns Bus Select Time Sn to Yn tSY 0.5 5.2 ns Bus Disable Time E to Yn tPZH / tPZL 0.5 4.8 ns Bus Disable Time E to Yn tPHZ / tPLZ 0.5 5.0 ns |
Similar Part No. - US5C3257_15 |
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Similar Description - US5C3257_15 |
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