

Overview
The TS3USB221ARSE is an analog Switches Special Purpose made by Texas Instruments in a UQFN-10(1.5x2) package with 10 pins. -40℃~+85℃ 12ns 2.3V~3.6V 250ps 2:1 30ns 6pF 6Ω 900MHz USB UQFN-10(1.5x2) Analog Switches - Special Purpose ROHS.
PCBKit's library has its KiCad symbol (SparkFun-IC-Special-Function:TS3USB221A, from Eagle libraries) and its footprint (Package_DFN_QFN:UQFN-10_1.6x2.1mm_P0.5mm, from KiCad's library), ready for a KiCad board. 73,779 are in stock at JLCPCB (part C128396). 10 open-source boards in 10 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
12- Supply, least
- 2.3 V · VCC, recommended operating min · p. 4
- Supply, most
- 3.6 V · VCC, recommended operating max · p. 4
- Supply, absolute maximum
- 4.6 V · VCC, absolute max · p. 4
- Works from
- -40 °C · Operating free-air temperature min · p. 4
- Works up to
- 85 °C · Operating free-air temperature max · p. 4
- Takes working
- 30 µA · VCC supply current max, switch ON or OFF, no load · p. 5
- Takes asleep
- 1 µA · VCC low power supply current max, OE high · p. 5
- A pin gives at most
- 120 mA · ON-state switch current absolute max, ±120 mA · p. 4
- Junction to air (RSE (UQFN))
- 204.8 K/W · Junction-to-ambient thermal resistance · p. 5
- Junction to case (RSE (UQFN))
- 118.1 K/W · Junction-to-case top thermal resistance · p. 5
- Junction to board (RSE (UQFN))
- 121.5 K/W · Junction-to-board thermal resistance · p. 5
- Data rate, most
- 480 Mbit/s · USB 2.0 supported data rate max · p. 12
What it is and has
6- Switch configuration
- 2-channel SPDT · p. 12
- Control inputs
- 1.8V compatible · p. 1
- Signal tolerance
- 5.5V · p. 1
- Bandwidth
- 900MHz typical · p. 1
- Protection
- ESD protection cells on all pins · p. 12
- Package
- RSE (UQFN, 10), 2mm × 1.5mm · p. 1
Around it
1- cap 0.1 μF
- between VCC and GND; Supply bypass capacitor shown in the typical application; place as close to VCC as possible and away from D+/D– traces. · p. 14
Specifications
58| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Supply voltage VCC | Over operating free-air temperature range | min -0.5 · max 4.6 V | 4 |
| Control input voltage VS, V OE | min -0.5 · max 7 V | 4 | |
| Switch I/O voltage VI/O | min -0.5 · max 7 V | 4 | |
| Control input clamp current IIK | VIN < 0 | max -50 mA | 4 |
| I/O port clamp current II/OK | VI/O < 0 | max -50 mA | 4 |
| ON-state switch current II/O | ±120 mA | max 120 mA | 4 |
| Continuous current through VCC or GND | ±100 mA | max 100 mA | 4 |
| Storage temperature range Tstg | min -65 · max 150 °C | 4 | |
| Electrostatic discharge V(ESD) | Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001; all pins except I/O to GND; ±7000 V | max 7000 V | 4 |
| Electrostatic discharge V(ESD) | Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001; I/O to GND; ±12000 V | max 12000 V | 4 |
| Electrostatic discharge V(ESD) | Charged-device model (CDM), per ANSI/ESDA/JEDEC JS-002; all pins; ±1000 V | max 1000 V | 4 |
| Supply voltage VCC | min 2.3 · max 3.6 V | 4 | |
| Low-level control input voltage VS, V OE | VCC = 2.3V to 2.7V; max = 0.25 × VCC | min 0 V | 4 |
| Low-level control input voltage VS, V OE | VCC = 2.7V to 3.6V; max = 0.25 × VCC | min 0 V | 4 |
| Data input/output voltage VI/O | min 0 · max 5.5 V | 4 | |
| Operating free-air temperature TA | min -40 · max 85 °C | 4 | |
| Junction-to-ambient thermal resistance RθJA | RSE (UQFN), 10 PINS | typ 204.8 °C/W | 5 |
| Junction-to-case (top) thermal resistance RθJC(top) | RSE (UQFN), 10 PINS | typ 118.1 °C/W | 5 |
| Junction-to-board thermal resistance RθJB | RSE (UQFN), 10 PINS | typ 121.5 °C/W | 5 |
| Junction-to-top characterization parameter ψJT | RSE (UQFN), 10 PINS | typ 13.9 °C/W | 5 |
| Junction-to-board characterization parameter ψJB | RSE (UQFN), 10 PINS | typ 121.2 °C/W | 5 |
| Input-Source Clamp Voltage VIK | VCC = 3.6V, 2.7V, II = –18 mA | min -1.8 V | 5 |
| Input leakage current, control inputs IIN | VCC = 3.6V, 2.7V, 0V, VIN = 0V to 3.6V; ±1 uA | max 1 uA | 5 |
| Off-state leakage current IOZ | VCC = 3.6V, 2.7V, VO = 0V to 5.25V, VI = 0V, VIN = VCC or GND, Switch OFF; ±1 uA | max 1 uA | 5 |
| Power-off leakage current I(OFF) | VCC = 0V, VI/O = 0V to 5.25V; ±2 uA | max 2 uA | 5 |
| Power-off leakage current I(OFF) | VCC = 0V, VI/O = 0V to 3.6V; ±2 uA | max 2 uA | 5 |
| Power-off leakage current I(OFF) | VCC = 0V, VI/O = 0V to 2.7V; ±1 uA | max 1 uA | 5 |
| Supply Current ICC | VCC = 3.6V, 2.7V, VIN = VCC or GND, II/O = 0V, Switch ON or OFF | max 30 uA | 5 |
| Supply Current (low power mode) ICC | VCC = 3.6V, 2.7V, VIN = VCC or GND, Switch disabled, OE in high state | max 1 uA | 5 |
| Supply-current change, control inputs ΔICC | One input at 1.8V, other inputs at VCC or GND; VCC = 3.6V | max 20 uA | 5 |
| Supply-current change, control inputs ΔICC | One input at 1.8V, other inputs at VCC or GND; VCC = 2.7V | max 0.5 uA | 5 |
| Input capacitance, control inputs Cin | VCC = 3.3V, 2.5V, VIN = VCC or 0V | typ 1.5 · max 2.5 pF | 5 |
| OFF capacitance Cio(OFF) | VCC = 3.3V, 2.5V, VI/O = VCC or 0V, Switch OFF | typ 3.5 · max 5 pF | 5 |
| ON capacitance Cio(ON) | VCC = 3.3V, 2.5V, VI/O = VCC or 0V, Switch ON | typ 6 · max 7.5 pF | 5 |
| ON-state resistance RON | VCC = 3V, 2.3V; VI = 0V, IO = 30mA | typ 3 · max 6 Ω | 5 |
| ON-state resistance RON | VCC = 3V, 2.3V; VI = 2.4V, IO = –15mA | typ 3.4 · max 6 Ω | 5 |
| ON-state resistance match between channels ΔRON | VCC = 3V, 2.3V; VI = 0V, IO = 30mA | typ 0.2 Ω | 5 |
| ON-state resistance match between channels ΔRON | VCC = 3V, 2.3V; VI = 1.7, IO = –15mA | typ 0.2 Ω | 5 |
| ON-state resistance flatness RON(flat) | VCC = 3V, 2.3V; VI = 0V, IO = 30mA | typ 1 Ω | 5 |
| ON-state resistance flatness RON(flat) | VCC = 3V, 2.3V; VI = 1.7, IO = –15mA | typ 1 Ω | 5 |
| Crosstalk XTALK | RL = 50 , f = 250MHz; TA = –40°C to 85°C, GND = 0V | typ -40 dB | 6 |
| OFF isolation OIRR | RL = 50 , f = 250MHz; TA = –40°C to 85°C, GND = 0V | typ -41 dB | 6 |
| Bandwidth (–3 dB) BW | RL = 50; TA = –40°C to 85°C, GND = 0V | typ 0.9 GHz | 6 |
| Crosstalk XTALK | RL = 50 , f = 250MHz; TA = –40°C to 85°C, GND = 0V | typ -39 dB | 6 |
| OFF isolation OIRR | RL = 50 , f = 250MHz; TA = –40°C to 85°C, GND = 0V | typ -40 dB | 6 |
| Bandwidth (3 dB) BW | RL = 50; TA = –40°C to 85°C, GND = 0V | typ 0.9 GHz | 6 |
| Propagation delay tpd | TA = –40°C to 85°C, GND = 0V; specified by design | typ 0.25 ns | 6 |
| Line enable time tON | S to D, nD; TA = –40°C to 85°C, GND = 0V | max 30 ns | 6 |
| Line enable time tON | OE to D, nD; TA = –40°C to 85°C, GND = 0V | max 17 ns | 6 |
| Line disable time tOFF | S to D, nD; TA = –40°C to 85°C, GND = 0V | max 12 ns | 6 |
| Line disable time tOFF | OE to D, nD; TA = –40°C to 85°C, GND = 0V | max 10 ns | 6 |
| Output skew between center port to any other port tSK(O) | TA = –40°C to 85°C, GND = 0V; specified by design | typ 0.1 · max 0.2 ns | 6 |
| Skew between opposite transitions of the same output (tPHL– tPLH) tSK(P) | TA = –40°C to 85°C, GND = 0V; specified by design | typ 0.1 · max 0.2 ns | 6 |
| Line enable time tON | S to D, nD; TA = –40°C to 85°C, GND = 0V | max 50 ns | 6 |
| Line enable time tON | OE to D, nD; TA = –40°C to 85°C, GND = 0V | max 32 ns | 6 |
| Line disable time tOFF | S to D, nD; TA = –40°C to 85°C, GND = 0V | max 23 ns | 6 |
| Line disable time tOFF | OE to D, nD; TA = –40°C to 85°C, GND = 0V | max 12 ns | 6 |
| Skew between opposite transitions of the same output (tPHL– tPLH) tSK(P) | TA = –40°C to 85°C, GND = 0V; specified by design | typ 0.1 · max 0.2 ns | 6 |
Pins, by the datasheet
10- 1 1D+
- USB port 1. · p. 3
- 2 1D–
- USB port 1. · p. 3
- 3 2D+
- USB port 2. · p. 3
- 4 2D–
- USB port 2. · p. 3
- 5 GND
- Ground. · p. 3
- 6 OE
- Bus-switch enable. · p. 3
- 7 D—
- Common USB port. · p. 3
- 8 D+
- Common USB port. · p. 3
- 9 S
- Select input. · p. 3
- 10 VCC
- Supply voltage. · p. 3
Ordering codes, by the datasheet
4- TS3USB221ARSER
- UQFN (RSE), 10 pins · 3000, LARGE T&R; -40 to 85°C; NIPDAU lead finish · p. 20
- TS3USB221ARSER.A
- UQFN (RSE), 10 pins · Orderable suffix .A; 3000, LARGE T&R; -40 to 85°C; NIPDAU lead finish · p. 20
- TS3USB221ARSER.B
- UQFN (RSE), 10 pins · Orderable suffix .B; 3000, LARGE T&R; -40 to 85°C; NIPDAU lead finish · p. 20
- TS3USB221ARSERG4
- UQFN (RSE), 10 pins · Orderable suffix G4; 3000, LARGE T&R; -40 to 85°C; NIPDAU lead finish · p. 20
Parameters
21- -3dB Bandwidth
- 900MHz
- Applications
- USB
- Bandwidth
- 900MHz
- Con
- 6pF
- Current - Supply
- 30uA
- Data Rate
- 480Mbps
- Features
- Bidirectional analog channel
- Number of Channels
- 2
- Operating Temperature
- -40℃~+85℃
- Output Current per Pin(Max)
- 120mA
- Propagation Delay (tpd)
- 250ps
- Ron
- 6Ω
- Standby Current
- 1uA
- Switch Circuit
- 2:1
- Thermal Resistance(Junction to Ambient)
- 204.8℃/W
- Thermal Resistance(Junction to Board)
- 121.5℃/W
- Thermal Resistance(Junction to Case)
- 118.1℃/W
- Turn-off time
- 12ns
- Turn-on time
- 30ns
- Voltage - Supply
- 2.3V~3.6V
- Voltage - Supply(Absolute Max)
- 4.6V
Order codes
2- TS3USB221ARSERLCSC C128396
- TS3USB221ARSERG4LCSC C2150995
Pinout
10| Pin | Name | Type |
|---|---|---|
| 1 | 1D+ | Unspecified |
| 2 | 1D- | Unspecified |
| 3 | 2D+ | Unspecified |
| 4 | 2D- | Unspecified |
| 5 | VSS | Unspecified |
| 6 | OE | Unspecified |
| 7 | D- | Unspecified |
| 8 | D+ | Unspecified |
| 9 | S | Unspecified |
| 10 | VCC | Unspecified |
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Is there a KiCad symbol and footprint for the TS3USB221ARSE?
Yes. The symbol is SparkFun-IC-Special-Function:TS3USB221A and the footprint Package_DFN_QFN:UQFN-10_1.6x2.1mm_P0.5mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the TS3USB221ARSE?
UQFN-10(1.5x2), with 10 pins. Its footprint is drawn on this page.
Where is the TS3USB221ARSE datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the TS3USB221ARSE?
JLCPCB lists it as part C128396, with 73,779 in stock; the sellers' links on this page open their listings.
What can replace the TS3USB221ARSE?
Parts like it in the library: the TS3USB221RSE by Texas Instruments, the TS3USB221ARSER-HXY by HXY MOSFET, the TS3USB3000RSER-HXY by HXY MOSFET and the PI3USB4000DQ1ZUAEX-HXY by HXY MOSFET. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the TS3USB221ARSE?
10 boards in 10 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
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UQFN-10(1.5x2)0℃~+85℃ 1.1GHz 1.2us 10Ω 2 2.5V~5.5V 200ps 20us 2:1 4pF USB、Cellular、Computer UQFN-10(1.5x2) Analog Switches - Special Purpose ROHSHXY MOSFETAnalog Switches - Special PurposeTS3USB3000RSER-HXY
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