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PDF PI5L102 Data sheet ( Hoja de datos )
| Número de pieza | PI5L102 | |
| Descripción | CompactPCI Hot Swap Pull-up Switch | |
| Fabricantes | Pericom Semiconductor Corporation | |
| Logotipo |  |
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CompactPCI® Hot Swap
Pull-up Switch
Product Features
Supports CompactPCI precharge voltage selection
3.3V/2.7kohms, 5V/1ohm line termination selection
Ultra-low quiescent current: 0.1µA typical
Low ON resistance: 7ohms maximum
Single supply operation up to 6.2V ±5%
Wide bandwidth data rates: >200 Mbps
Compact 20-pin TSSOP package
Mechanical relay replacement
Product Description
The PI5L102L CompactPCI Hot Swap Pull-up switch is a Quad 1:2
multiplexer. It is designed to switch the 1V precharge bias voltage
and 10-kohm pull-up resistor connected to the CompactPCI bus
signals during Hot Swap. Each switch can connect eight inputs
(IAn to IDn) to a given pull-up voltage level.
In addition, the PI5L102 can be used to select 2.7 kohms/3.3V or
1.0 kohm/5V pull-ups for the system card PCI signal lines.
ON resistance is a low 7 ohms maximum and all eight switches are
selected or disabled with a single CMOS/TTL compatible signal. For
general-purpose applications, the PI5L102 can replace mechanical
relays. In network systems, physical layer signals can be switched.
To reduce the insertion loss, the PI5L102 can be powered by a 6.2V
Zener diode.
Logic Block Diagram
Pin Configuration
IA0 IA1 IB0 IB1 IC0 IC1 ID0 ID1
E
YA YB YC YD
NC
NC
IA0
IA1
YA
IB0
IB1
YB
GND
NC
1 20
2 19
3 18
4 17
5
20-Pin
L
16
6 15
7 14
8 13
9 12
10 11
NC
VCC
E
ID0
ID1
YD
IC0
IC1
YC
NC
Truth Table(1)
E YA
YB
YC
YD Function
H Hi-Z Hi-Z Hi-Z Hi-Z Disable
L IA0, IA1 IB0, IB1 IC0, IC1 ID0, ID1
Note:
1. H = High Voltage Level
L = Low Voltage Level
Enable
Product Pin Description
Pin Name
IAn-IDn
E
YA-YD
GND
VCC
Description
Data Inputs
Enable
Data Outputs
Ground
Power
CompactPCI is a registered trademark of the PCI Industrial Computer Manufacturers Group
DataSheet4 U .com
1
PS8491C 02/20/01
1 page  
www.DataSheet4U.com
PI5L102
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Test Circuits and Waveforms
Enable and Disable Timing
Test Circuits
VCC
6V
open
Enable
Control
Input
tPZL
Output
Normally
Low
Switch
tPZH
Output
Normally
High
Switch
GND
Disable
tPLZ
3V
1.5V
tPHZ
1.5V
0V
3V
1.5V
0V
3V
0.3V VOL
0.3V VOH
0V
1. Input Control Enable = Low and Input Control Disable = High
2. Pulse Generator for All Pulses: Rate - <1.0MHz; ZOUT <50Ω
tF, tR <2.5 ns.
Pulse
Generator
VIN
VOUT
D.U.T.
500Ω
50pF
RT 500Ω
CL
Switch Position
Test
Switch
Disabled LOW
Enabled LOW
Closed
DEFINITIONS:
C L = Load capacitance: includes jig and probe capacitance.
RT = Termination resistance: should be equal to ZOUT of
the Pulse Generator
Figure 3. Switching Time
120Ω
100Ω
+V
1mA
R
6.2V
ZENER
VCC
PI5L102
Figure 4. Line Termination
Figure 5. VCC Bias Current
DataSheet4 U .com
5 PS8491C 02/20/01
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet PI5L102.PDF ] | |
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