Semiconductor Components Industries, LLC, 2012
August, 2012 Rev. 2
1
Publication Order Number:
NCN9252/D
NCN9252
High-Speed USB 2.0
(480 Mbps) DP3T Switch
for USB/UART/Data
Multiplexing
Brief Description
The NCN9252 is a DP3T switch for combined UART and USB 2.0
highspeed data applications. It allows portable systems to use a single
external port to transmit and receive signals to and from three separate
locations within the portable system. It is comprised of two switches,
each with a single common I/O that alternates between 3 terminals.
They are operated together to allow three data sources, such as a USB
or UART transceiver, to pass differential data through a shared USB
connector port.
The NCN9252 features low RON 4 W (max) at 4.2 V VCC, 5 W
(typ) at a 3.3 V VCC. It also features low CON, < 30 pF (max) across
the supply voltage range. This performance makes it ideal for both
USB fullspeed and highspeed applications that require both low
RON and CON for effective signal transmission.
The NCN9252 is capable of accepting control input signals down to
1.4 V, over a range of VCC supply voltages with minimal leakage
current. The NCN9252 is offered in a PbFree, 12 pin, 1.7 x 2.0 x
0.5 mm, UQFN package. An Evaluation Board specifically designed
for the NCN9252 is available and features USB connectors and test
points to allow straightforward testing of the device. Please see part
number NCN9252MUGEVB.
Features
USB 2.0 Signal Routing
3 dB Bandwidth: 525 MHz
RON: 4 W Max @ VCC = 4.2 V
CON: < 20 pF @ VCC = 3.3 V
OVT Protection up to 5.25 V on Common Pins
VCC Range: 1.65 V to 4.5 V
3 kV ESD Protection
1.7 x 2.0 x 0.5 mm UQFN12 Package
This is a PbFree Device
Typical Applications
USB/UART/Data Multiplexing
Shared USB Connector
Mobile Phones
Portable Devices
UQFN12
MU SUFFIX
CASE 523AE
MARKING
DIAGRAM
http://onsemi.com
Device
Package
Shipping
ORDERING INFORMATION
NCN9252MUTAG
UQFN12
(PbFree)
3000 /
Tape & Reel
APPLICATION DIAGRAM
For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
AD = Specific Device Code
M
= Date Code
G
= PbFree Package
AD M
G
1
NCN9252
USB
Connector
USB
XCVR
Remote
Data
UART
XCVR
D+
D
D+
D
R
L
Rx
Tx
IN[1:0]
From Baseband