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PDF PI3DBS3224 Data sheet ( Hoja de datos )
| Número de pieza | PI3DBS3224 | |
| Descripción | 3.3V High Speed 2:4 Differential Mux/Demux | |
| Fabricantes | Pericom Semiconductor | |
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PI3DBS3224
3.3V High Speed 2 : 4 Differential Mux/Demux
Features
ÎÎ2:4 Differential Multiplexer/Demultiplexer
ÎÎBidirectional Operation
ÎÎCan be used in
àà Single 1:4 Configuration
àà Dual 1:2 Configuration
àà Fan out 1:2 Configuration
ÎÎHigh BW (1.2 GHz Typ)
ÎÎLow RON and CON:
àà 13 Ω RON Typ
àà 9 pF CON Typ
ÎÎESD Performance (I/O Pins)
àà ±8-kV Contact Discharge (IEC61000-4-2)
àà 2-kV Human Body Model per JESD22-A114E (to
GND)
ÎÎESD Performance (All Pins)
àà 2-kV Human Body Model per JESD22-A114E
ÎÎSmall QFN package (3 x 3 mm, 0.4 mm pitch)
Applications
ÎÎDesktop/Notebooks Computers
ÎÎDisplayPort Auxiliary Channel Multiplexing
ÎÎUSB 2.0 Multiplexing
ÎÎNetbooks/eBooks/Tablets
Block Diagram
Description
The PI3DBS3224 is a 2:4 bidirectional multiplexer for high-
speed differential and single ended signal applications (up to
720 Mbps). The PI3DBS3224 can be used in a 1:4 or dual 1:2
multiplexer/demultiplexer configuration. The PI3DBS3224 of-
fers a high BW of 1.2 GHz with channel RON of 13 Ω (Typ).
The PI3DBS3224 can also be used to fan out a differential or
single ended signal pair to two ports simultaneously (fan-out
configuration). The BW performance is lower in this configura-
tion.
The PI3DBS3224 operates with a 3 to 3.6V power supply. It
features ESD protection of up to ±8-kV contact discharge and
2-kV Human Body Model on its I/O pins.
The PI3DBS3224 provides fail-safe protection by isolating the
I/O pins with high impedance when the power supply (VCC) is
not present.
Pin Configuration
ENA
INA
1
0
INB
ENB
0
1
1 OUTA1
0 OUTA0
SAO
SAI
SBI
SBO
1 OUTB1
0 OUTB0
INA+
INA-
INB+
INB-
GND
1
5
15 SAO
SAI
VCC
SBI
11 SBO
14-0061
1 www.pericom.com 04/28/14
1 page  
PI3DBS3224
3.3V High Speed 2:4 Differential Mux/Demux
Dynamic Characteristics
For Single 1:4 or Dual 1:2 configurations. TA = -40 OC to 85 OC, Typical values are at Vcc = 3.3V ± 10% and TA= 25 OC (unless
otherwise noted)
Symbol
Parameter
Test Condition
Typ Unit
BW
OISO
XTALK
Bandwidth
OFF Isolation
Crosstalk
RL = 50 Ω, Switch ON
RL = 50 Ω, f = 250 MHZ
RL = 50 Ω, f = 250 MHZ
1.2 GHZ
-30 dB
-35 dB
Switching Characteristics
For Single 1:4 or Dual 1:2 configurations. Over operating range, TA = -40 OC to 85 OC, Vcc = 3.3V ± 10%, GND = 0 V (unless oth-
erwise noted)
Symbol
Parameter
Test Condition
Min Typ Max Unit
tpd(1)
RL = 50 Ω, CL = 2 pF
50 ps
tON SAI/SAO/SBI/SBO to OUTAx/OUTBx RL = 50 Ω, CL = 2 pF
40 100 ns
tOFF SAI/SAO/SBI/SBO to OUTAx/OUTBx RL = 50 Ω, CL = 2 pF
20 30
ns
tsk(o)(2)
RL = 50 Ω, CL = 2 pF
40 ps
t (3)
sk(p)
RL = 50 Ω, CL = 2 pF
40 ps
Notes:
1. The propagation delay is the calculated RC time constant of the typical ON-State resistance of the switch and the specified load capacitance when driven by an
ideal voltage source (zero output impedance).
2. Output skew between center channel and any other channel.
3. Skew between opposite transitions of the same output ( |tPHL - tPLH | ).
14-0061
5 www.pericom.com 04/28/14
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet PI3DBS3224.PDF ] | |
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