USBLC6-4 STMicroelectronics, USBLC6-4 Datasheet - Page 8

• Manufacturer Part Number: USBLC6-4
• Description: Very low capacitance ESD protection
• Manufacturer: STMicroelectronics

www.datasheet4u.com
Technical information
2.5
8/13
Application examples
Figure 14. USB 2.0 port application diagram using USBLC6-4SC6
Figure 15. T1/E1/Ethernet protection
Mode
Low Speed LS
Full Speed FS
High Speed HS
DEVICE-
UPSTREAM
TRANSCEIVER
DEVICE-
UPSTREAM
TRANSCEIVER
R
R
T
T
R
R
T
T
X LS/FS
X LS/FS
X LS/FS
X LS/FS
X LS/FS -
X LS/FS -
X LS/FS -
X LS/FS -
R
R
T
T
R
R
T
T
X HS
X HS
X HS
X HS
X HS -
X HS -
X HS -
X HS -
V
V
GND
GND
BUS
BUS
+
+
+
+
+
+
+
+
Rx
SW
Open
Closed
Closed then open
SW
SW
Tx
R
R
R
R
S
S
S
S
1
2
2
+ 3.3V
+ 3.3V
SMP75-8
SMP75-8
R
R
PU
PU
SW
SW
1
1
USBLC6-2SC6
USBLC6-2P6
SW
Closed
Open
Open
100nF
2
+V
CC
connector
connector
GND
GND
V
V
USB
USB
D+
D+
D-
D-
BUS
BUS
USBLC6-4SC6
TRANSCEIVER
DATA
+ 5V
R
R
PD
PD
Protecting
Bus Switch
R
R
R
R
R
R
PD
PD
S
S
S
S
DOWNSTREAM
TRANSCEIVER
V
R
R
T
R
R
T
GND
T
T
R
R
T
R
R
T
GND
T
T
X HS
X HS -
X LS/FS
X LS/FS -
X HS
X HS -
X LS/FS
X LS/FS -
BUS
X LS/FS
X HS
X LS/FS -
X HS -
X LS/FS
X HS
X LS/FS -
X HS -
+
+
+
+
+
+
USBLC6-4
+
+
HUB-