PI5C3384 查看數據表（PDF） - Pericom Semiconductor
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PI5C3384 Datasheet PDF : 6 Pages
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PI5C3384/3384C/32384 (25 Ohm)
10-Bit, 2-Port Bus switch 1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
PI5C32384 Switching Characteristics over Operating Range
PI5C32384
Parameters Description
Conditions(1)
Min
Typ
Max Unit
tPLH
Propagation Delay(2,3) CL = 50 pF
—
1.25
—
ns
tPHL
Ax to Bx, Bx to Ax
RL = 500ohm
tPZH
Bus Enable Time
1.5
—
7.5
ns
tPZL
BEX to Ax or Bx
tPHZ
Bus Disable Time
1.5
—
5.5
ns
tPLZ
BEx to Ax or Bx
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 time constant for the switch alone is of the order of 0.25 ns for 50 pF 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.
Packaging Mechanical: 24-pin TSSOP (package code L)
24
.169 4.3
.177 4.5
1
.303
.311
7.7
7.9
.047
1.20
Max
SEATING
PLANE
0.45 .018
0.75 .030
.252
BSC
6.4
.0256
BSC
0.65
.007
.012
0.19
0.30
.002 0.05
.006 0.15
X.XX DENOTES CONTROLLING
X.XX DIMENSIONS IN MILLIMETERS
.004 0.09
.008 0.20
4
PS 7029B
11/18/02
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