PI3C34X461NB 데이터 시트보기 (PDF) - Pericom Semiconductor
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PI3C34X461NB Datasheet PDF : 6 Pages
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PI3C34X461
3.3V, High Bandwidth, Hot Insertion,
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Power Supply Characteristics
Parameters Description
Test Conditions(1)
1 Min. Typ(2) Max. Units
ICC
Quiescent Power
Supply Current
∆ICC
Supply Current per
Input @ TTL HIGH
VCC = Max.
VCC = Max.
VIN = GND or VCC
VIN = 3.0V(3)
260 500
µA 2
750
Notes:
3
1. For Max. or Min.conditions, use appropriate value specified under Electrical Characteristics for the applicable device.
2. Typical values are at VCC = 3.3V, +25°C ambient.
3. Per TTL driven input (control input only); A and B 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 A and B inputs generate no significant AC or DC currents as they transition. This parameter is not tested, but is
4
guaranteed by design.
Switching Characteristics over Operating Range
5
PI3C34X461
Parameters
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Description
Propagation Delay (2,3)
Ax to Bx, Bx to Ax
Bus Enable Time
BE to Ax or Bx
Bus Disable Time
BE to Ax or Bx
Conditions
CL = 50pF, RL = 500Ω
Com.
Min.
Max.
Units
6
0.25
1.5
6.5
ns
7
1.5
5.5
8
Notes:
1. See test circuit and waveforms.
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2. This parameter is guaranteed but not tested on Propagation Delays.
10 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 time constant for the switch 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
11 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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PS8432B 06/23/00
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