PI3C16215 Datasheet, PDF (3/4 Pages) Pericom Semiconductor Corporation – 3.3V, 2-Port, 20-Bit Bus Switch with Precharged Outputs for Live Insertion

PI3C16215
3.3V, 2-Port, 20-Bit Bus Switch with
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Switching Characteristics (Over Recommended Operating Free-air Temperature Range, C_L = 50pF)
1
Parameter
t_PD(1)
Test Conditions
From (Input)
A or B
To (Output)
B or A
Min.
Max.
2 ^Units
0.25
t_PZH
BIASV = GND
1.5
6.5
t_PZL
BIASV = 3V
ON
A or B
1.5
6.5
ns ³
t_PHZ
BIASV = GND
1.5
5.5
ON
A or B
t_PLZ
BIASV = 3V
1.5
5.5
4
Note:
1. This parameter is warranted but not production tested. The propagation delay is based on the RC time constant of the typical on
5 state resistance of the switch and a load capacitance of 50pF, when driven by an ideal voltage source (zero output impedance).
Parameter Measurements
From Output
Under Test
CL = 50pF
(See note 1)
#Ohm ^S1
6V
Open
GND
#Ohm
Test
t_PD
t_PLZ/t_PZL
t_PHZ/t_PZH
S1
Open
6V
GND
LOAD CIRCUIT
Output
Control
(Low Level
Enabling)
Output
Waveform 1
S1 at 6V
(see Note 2)
Output
Waveform 2
S1 at Open
(see Note 2)
tPZL
tPZH
1.5V
tPLZ
1.5V
tPHZ
1.5V
3V
1.5V
0V
3.5V
VOL +0.3V _VOL
VOH
VOH -0.3V
0V
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
Notes:
1. C_L includes probe and jig capacitance.
2. Waveform 1 is for an output with internal conditions such that the output is LOW except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is HIGH except when disabled by the output control.
3. All input pulses are supplied by generators having the following characteristics: PRR<10MHz, Z_O = 50Ω, t_R ≤ 2.5ns, t_F ≤ 2.5ns.
4. The outputs are measured one at a time with one transition per measurement.
5. t_PLZ and t_PHZ are the same as t_DIS.
6. t_PZL and t_PZH are the same as t_EN.
7. t_PLH and t_PHL are the same as t_PD.
6
7
8
9
10
11
12
13
14
15
3
PS8409D 03/19/01