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Texas Instruments TMUX1308QPWRQ1
- Part No.:
- TMUX1308QPWRQ1
- Manufacturer:
- Texas Instruments
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
TMUX1308QPWRQ1.pdf
- Description:
- IC MUX 8:1 195OHM 16TSSOP
- Quantity:
Unit Price:$0.337800
Ext Price:$0.337800
- Payment:
- Shipping:
Inventory:3,617
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In Stock : 3,617 PCS
| Qty. | Unit Price | Ext Price |
| 1+ | $0.337800 | $0.337800 |
| 3000+ | $0.241300 | $723.900000 |
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Product Details
TMUX1308QPWRQ1 - TI 8-Channel 1:8 Multiplexer/Demultiplexer
TMUX1308QPWRQ1 is an 8-channel bidirectional 1:8 multiplexer/demultiplexer (1-of-8 switch) controlled via 3-wire SPI. It operates from 1.65V to 5.5V supply, features 4Ω typical ON-resistance, and 700MHz bandwidth. The device is ideal for routing USB SuperSpeed, PCIe, MIPI, and other high-speed signa...
Product Introduction
TMUX1308QPWRQ1 is an 8-channel bidirectional 1:8 multiplexer/demultiplexer (1-of-8 switch) controlled via 3-wire SPI. It operates from 1.65V to 5.5V supply, features 4Ω typical ON-resistance, and 700MHz bandwidth. The device is ideal for routing USB SuperSpeed, PCIe, MIPI, and other high-speed signals in automotive and industrial applications. It is AEC-Q100 Grade 1 qualified.
Expert Technical Insights
When to use a 1:8 demultiplexer vs. individual switches:
- The TMUX1308's 1-of-8 architecture connects one common input to exactly one of 8 outputs at a time, determined by a 3-bit address code sent over SPI
- This is ideal for sharing one high-speed source (e.g., USB-C alternate mode controller) across 8 different ports or subsystems
- For simultaneous multi-channel routing, multiple TMUX1308 devices can be cascaded.
High-speed signal routing with TMUX1308:
- With 700MHz bandwidth and 4Ω RON, TMUX1308 is suitable for USB 2.0 (480Mbps), USB 3.0 SS (5Gbps requires careful board design), PCIe Gen 1/2 (1.25/2.5Gbps), and MIPI D-PHY (up to 1.5Gbps)
- For USB 3.0 SS, differential pair routing symmetry and minimal stub length are critical
- The device's low parasitic capacitance minimizes signal degradation at high frequencies.
Key Benefits
Single chip replaces 8 discrete switches, reducing PCB area and BOM.
Suitable for USB 2.0, PCIe Gen 1/2, and MIPI D-PHY high-speed routing.
Simple MCU interface, compatible with most microcontrollers.
Automotive-qualified with -40°C to +125°C junction temperature range.
Detailed Specifications
| Parameter | Value | Conditions / Notes |
|---|---|---|
| Device Type | 8-Channel 1:8 Multiplexer/Demultiplexer | - |
| Manufacturer | Texas Instruments | USA |
| Configuration | 1:8 Multiplexer / 8:1 Demultiplexer | Bidirectional |
| Supply Voltage (VCC) | 1.65V to 5.5V | - |
| ON-Resistance (RON) | 4Ω (typical) | 25°C |
| Bandwidth | 700MHz (-3dB) | - |
| Switch Topology | Double-Pole-Through (DPT) | 1-of-8 decode |
| Control Interface | 3-Wire SPI | Compatible with most MCUs |
| ESD Protection | 2kV HBM | - |
| Package | QFN-24 (4x4mm) | RUK suffix |
| Operating Temperature | -40°C to +125°C | Junction temp |
Note: For detailed electrical parameters, thermal management design, and EMI optimization guidelines, refer to the official TI datasheet. Specifications are subject to change without notice. Engineers should verify all parameters before final design.
Package Information
TMUX1308QPWRQ1 uses a 24-pin QFN package with WPC (RUK suffix) featuring a 4x4mm body and 0.5mm pitch. The QFN package offers low on-capacitance, low RON, and excellent high-frequency switching performance. Automotive Grade 1 qualified with -40°C to +125°C operating junction temperature.
Pin Definition (QFN-24)
- COM_1 ~ COM_8: Common port pins (8 channels)
- NO_1 ~ NO_8: Normally open port pins (8 channels)
- SCLK / MOSI / CS: SPI control interface pins
- EN: Enable pin (active high)
- VCC / GND: Power supply and ground pins
Alternative Parts
The following alternative parts are listed for reference. Before selecting an alternative, verify communication interface, supply voltage, security algorithm compatibility, and software API differences.
| Part Number | Brand | Type | Package | Key Feature |
|---|---|---|---|---|
| TMUX1308QBQBRQ1 | TI | 8-Ch 1:8 Mux/Demux / SPI / 1.65V-5.5V | QFN-20 | Smaller QFN-20 package, identical function |
| TMUX1308QPWRQ1 | TI | 8-Ch 1:8 Mux/Demux / Parallel / 1.65V-5.5V | QFN-24 | Parallel control version, different pinout |
| TMUX1308QPWRQ1 | Verify datasheet before selection | Verify datasheet before selection | Verify datasheet before selection | Verify datasheet before selection |
Manufacturer Information
Texas Instruments (NASDAQ: TXN), headquartered in Dallas, Texas, is a global leader in analog and embedded semiconductors. TI's TMUX mux/demux family covers signal routing needs from low-speed GPIOs to USB 3.0 SuperSpeed. The TMUX1308 follows TI's automotive-quality flow with AEC-Q100 Grade 1 qualification and PPAP support.
Applications
Frequently Asked Questions
What is TMUX1308QPWRQ1 used for?
TMUX1308QPWRQ1 is used in electronic designs according to the function and limits described in the manufacturer datasheet.
Can TMUX1308QPWRQ1 be replaced by another part?
Only after verifying package, pinout, electrical limits and software or circuit compatibility.
Where should the final parameters be checked?
Use the official manufacturer datasheet and latest ordering documentation before final design release.
Disclaimer
The technical specifications listed on this page are based on the official TI datasheet. We strive to ensure accuracy and completeness, but specifications are subject to change without notice. Engineers should verify all parameters before final design.
We guarantee all products are genuine factory originals with complete traceability.
Free technical consultation available before and after purchase.
This product page is for reference only.
TMUX1308QPWRQ1 Specifications
- Specifications
- Attributes
- Property Value
- Manufacturer
- Texas Instruments
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Part Status:
- Active
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 8:1
- On-State Resistance (Max):
- 195Ohm
- Channel-to-Channel Matching (ΔRon):
- 7Ohm
- Voltage - Supply, Single (V+):
- 1.62V ~ 5.5V
- Qualification:
- AEC-Q100
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 32ns, 40ns
- Number of Circuits:
- 1
- 3 dB Bandwidth:
- 500MHz
- Charge Injection:
- -6.5pC
- Grade:
- Automotive
- Channel Capacitance (CS(off), CD(off)):
- 2pF, 7pF
- Mounting Style:
- Surface Mount
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Current - Leakage (IS(off)) (Max):
- 1nA (Typ)
- Crosstalk:
- -90dB @ 1MHz
- Supplier Device Package:
- 16-TSSOP
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