PI5C16215CB Просмотр технического описания (PDF) - Pericom Semiconductor
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PI5C16215CB
Pericom Semiconductor
PI5C16215CB Datasheet PDF : 5 Pages
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PI5C16215C
20-Bit, Hot Insertion, BusSwitch with
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Truth Table
OE
Function
L
A port = B port
H
A port = Z, B Port = BIASV
Switching Characteristics (Over Recommended Operating Free-air Temperature Range, CL = 50pF)
Parameter
Test Conditions
From
(Input)
To
(Output)
VCC = 5V ± 0.5V
Min. Max.
VCC = 4V
Min. Max.
Units
tPD
A or B
B or A
0.25
0.25
tPZH
BIASV = GND
tPZL
BIASV = 3V
3.1
5
ON
A or B
3.0
5
6
6
ns
tPHZ
BIASV = GND
2.0
5
5.5
ON
A or B
tPLZ
BIASV = 3V
3
5
5.5
Notes:
1. This parameter is warranted but not production tested. The propagation delay is based on the RC time constant of the typical on-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)
7V
500ohm S1
Open
GND
500ohm
Test
tpd
tPLZ/tPZL
tPHZ/tPZH
S1
Open
7V
Open
LOAD CIRCUIT
Input
1.5V
tPLH
Output
1.5V
1.5V
3V
0V
tPHL
1.5V
VOH
VOL
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
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
ENABLE AND DISABLE TIMES
Notes:
1. CL 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, ZO = 50Ω, tr ≤ 2.5ns, tf ≤ 2.5ns.
4. The outputs are measured one at a time with one transition per measurement.
5. tPLZ and tPHZ are the same as tdis.
6. tPZL and tPZH are the same as ten.
7. tPLH and tPHL are the same as tpd.
3
PS8369B
12/15/01
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