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FSA644 — 2:1 MIPI D-PHY (1.5Gbps) 4-Data-Lane Switch
January 2015
FSA644
—
2:1 MIPI D-PHY (1.5Gbps) 4-Data Lane Switch
Features
Switch Type
Signal Types
V
CC
Input Signals
R
ON
∆R
ON
R
ON_FLAT
I
CCZ
I
CC
O
IRR
X
TALK
Bandwidth
Channel-to-Channel Skew
C
ON
Operating Temperature
Package
FSA644UCX Top Mark
Ordering Information
FSA644BUCX Top Mark
Ordering Information
SPDT (10x)
MIPI, D-PHY
1.65 to 4.5 V
0 to V
CC
6 Ω Typical HS MIPI
8 Ω Typical LP MIPI
0.6 Ω Typical HS & LP MIPI
0.3 Ω Typical
0.5 µA Maximum
32 µA Maximum
-40 dB Typical
-25 dB Typical
1100 MHz Minimum
6 ps Typical
5.2 pF
-40 to +85°C
36-Ball WLCSP
M7
FSA644UCX
KM
FSA644BUCX
Description
The FSA644 is a four-data-lane, MIPI, D-PHY switch. This
single-pole, double-throw (SPDT) switch is optimized for
switching between two high-speed or low-power MIPI
sources. The FSA644 is designed for the MIPI specification
and allows connection to a CSI or DSI module.
Applications
Cellular Phones, Smart Phones
Displays
Related Resources
FSA644 Demonstration Board
Typical Application
CLK
MIPI
Module #1
CSI / DSI
Data [1:4]
CLK
FSA644
CLK
Data [1:4]
4-Data Lane
MIPI Switch
Processor
MIPI
Module #2
CSI / DSI
Data [1:4]
Figure 1. Mobile Phone Example
© 2011 Fairchild Semiconductor Corporation
FSA644 • Rev. 1.17
www.fairchildsemi.com
FSA644 — 2:1 MIPI D-PHY (1.5Gbps) 4-Data-Lane Switch
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable
above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition,
extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute
maximum ratings are stress ratings only.
Symbol
V
CC
V
CNTRL
V
SW
I
IK
I
OUT
T
STG
Supply Voltage
DC Input Voltage (/OE)
DC Switch I/O Voltage
DC Output Current
Storage Temperature
(1)
(1)
Parameter
Min.
-0.50
-0.5
-0.50
-50
Max.
+5.25
V
CC
5.25
50
Unit
V
V
V
mA
mA
°C
DC Input Diode Current
-65
All Pins
I/O to GND
Power to GND
+150
3.5
3.5
8.0
1.5
8.0
15.0
Human Body Model, JEDEC: JESD22-A114
ESD
Charged Device Model, JEDEC: JESD22-C101
IEC 61000-4-2 System
kV
Contact
Air Gap
Note:
1. The input and output negative ratings may be exceeded if the input and output diode current ratings are observed.
Recommended Operating Conditions
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating
conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not recommend
exceeding them or designing to Absolute Maximum Ratings.
Symbol
V
CC
V
CNTRL
V
SW
T
A
Supply Voltage
Parameter
Control Input Voltage (S, /OE)
(2)
Min.
1.65
0
HS Mode
LP Mode
0.1
0
-40
Max.
4.50
V
CC
0.3
1.2
+85
Unit
V
V
V
°C
Switch I/O Voltage (CLKn, CLKAn, CLKBn, Dn,
DAn, DBn)
Operating Temperature
Note:
2. The control input must be held HIGH or LOW; it must not float.
© 2011 Fairchild Semiconductor Corporation
FSA644 • Rev. 1.17
www.fairchildsemi.com
4
Analogue and Mixed Signal
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