參數(shù)資料
型號: PI3B3257Q
廠商: Pericom Semiconductor Corp.
英文描述: 3.3V, Quad 2:1 Mux/Demux Bus Switch
中文描述: 3.3,四路2:1復(fù)用/解復(fù)用總線開關(guān)
文件頁數(shù): 3/5頁
文件大小: 192K
代理商: PI3B3257Q
3
PS8151F 05/07/01
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PI3B3257
3.3V, Quad 2:1
Power Supply Characteristics
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device.
2. Typical values are at V
CC
= 3.3V, +25°C ambient.
3. Per TTL driven input (control inputs only); I and Y pins do not contribute to I
CC
.
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 Operating Range
Notes:
1. See test circuit and waveforms.
2. This parameter is guaranteed but not tested on Propagation Delays.
3. The bus switch contributes no propagational delay other than the RC delay of the ON resistance of the switch and the load capacitance.
The switchs time constant alone is of the order of 0.25ns for 50pF load. Since this time constant is much smaller than the rise/fall times
of typical driving signals, it adds very little propagational delay to the system. Propagational delay of the bus switch when used in
a system is determined by the driving circuit on the driving side of the switch and its interaction with the load on the driven side.
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