PI5C6800L Просмотр технического описания (PDF) - Pericom Semiconductor
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PI5C6800L Datasheet PDF : 5 Pages
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PI5C6800
10-Bit Bus Switch with
Precharged Outputs
Switching Characteristics Over Recommended Operating Free-air Temperature Range, CL = 50pF.
Parameter Test Conditions From (Input)
To (Input)
VCC = 5V ±0.5V
Min. Max.
VCC = 4V
Min.
Max.
Units
tPD(1)
A or B
B or A
0.25
0.25
tPZH
BIASV = GND
ON
tPZL
BIASV = 3V
A or B
3.1
5
3.6
5
6
6
ns
tPHZ
BIAS = GND
ON
A or B
2.7
5
5.5
tPLZ
BIAS = 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 resis-
tance 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)
500Ω
7V
S1
Open
GND
500Ω
Test
tPD
tPLZ/tPZL
tPHZ/tPZH
S1
Open
7V
Open
LOAD CIRCUIT
Input
1.5V
tPLH
Output
1.5V
1.5V
3V
0V
tPHL
VOH
1.5V
VOL
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. 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
PS8194E
09/13/04
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