Toshiba Announces Series of Small, High-Speed,Bidirectional Level Shifters for Mobile Devices

October 23, 2012

Dual-Supply Level Shifters Feature Auto Direction Sensing, Enable Bidirectional Voltage-Level Translation Without External Control Signals

IRVINE, Calif., — Toshiba America Electronic Components, Inc., (TAEC)*, a committed leader that collaborates with technology companies to create breakthrough designs, today announced a new family of high-speed, bidirectional level shifters that feature ultra-small packages, including UQFN12, WCSP16 and WCSP24C . The new level shifters employ an automatic direction control function, and reduce concerns over the order in which power supplies start up.

With mobile devices having multiple functions and more core ICs operating at lower voltages than ever, the number of cases in which voltage signal levels differ between ICs is on the rise. Designed with the ability to respond to two different power supplies, Toshiba's full series of dual-supply level shifters is optimal as an interface between different power supply systems. Small package sizes and a reduced number of DIR pins contribute to a reduction in mounting area, making them ideal for mobile phones, digital still cameras and digital video recorders.

Among the new additions to the series are the 4-bit TC7LX0104MU, the 6-bit TC7LX1106WBG, the 8-bit TC7LX1108WBG and the four-circuit multiplexer/demultiplexer TC7LX1204WBG.

The TC7LX0104MU, TC7LX1106WBG and TC7LX1108WBG are dual-supply level shifters that allow for voltage translation between VCCA and VCCB systems in a power supply range from 1.2V to 3.6V - without a direction control signal for input and output signals. These level shifters are easier to use than other products, as they do not have any restrictions regarding the combination of the two power supplies (VCCA /VCCB ) to be used- or the order in which they are started.

The TC7LX1204WBG is a four-circuit multiplexer/demultiplexer that enables a 1.2V to 3.6V voltage interface. With this product, bidirectional voltage-level translation is possible - without direction control signals. The TC7LX1204WBG employs three power supply voltages of VCCA, VCCB, and VCC, and allows for any combination of power supply voltages.

Snapshot: Digital Photography Stats and Facts

Parameter Symbol TC7LX0104MU TC7LX1106WBG TC7LX1108WBG TC7LX1204WBG
Operating power supply voltage range VCCA 1.2V ~ 3.6V
VCCB 1.2V ~ 3.6V
Package Type   UQF N12 WCSP16 WCSP24C
  V CCC   - 1.2V ~ 3.6V -
Input threshold voltage Postive VIH

2.0V (min.) @ VCCA/B =3.0V

2.0V (min.) @ VCC=3.0V 2.0V (min.) @ VCCA/B =3.0V
Negative VIL 0.7V (max.) @ VCCA/B =3.0V 0.7V (max.) @ VCC=3.0V 0.7V (max.) @ VCCA/B =3.0V
Output current IOH

- 20µA(min.) @ VCCA/B =3.0V,VOH=2.6V

- 20µA(min.) @ VCC=3.0V,VOH=2.6V

+ 20µA(min.) @ VCCA/B =3.0V,VOL=0.4V

+ 20µA(min.) @ VCC=3.0V,VOL=0.4V
Propagation delay time tpLH 4.2ns(max.) @ VCCA =1.8V,
4.4ns(max.) @ VCCA =1.8V,
4.7ns(max.) @ VCCA =1.8V,
5.2ns(max.) @ (VCC=1.8V → VCC=3.3V)
tpHL 5.4ns(max.) @ VCCA =1.5V,VCCB =2.5V,
5.9ns(max.) @ VCCA =1.5V,VCCB =2.5V,
6.4ns(max.) @ VCCA =1.5V,VCCB =2.5V,
6.9ns(max.) @ (VCC=1.5V → VCC=2.5V)
Data transmission rate -

100Mbps(max.) @ VCCA =1.8V,VCCB =3.3V,CL=15pF

90Mbps(max.) @ VCCA =1.8V,VCCB =3.3V,CL=15pF 90Mbps(max.) @ (VCC=1.8V ↔ VCC=3.3V)
80Mbps(max.) @ VCCA =1.5V,VCCB =2.5V,CL=15pF

60Mbps(max.) @ VCCA =1.5V,VCCB =2.5V,CL=15pF

60Mbps(max.) @ (VCC=1.5V ↔ VCC=2.5V)

Key Attributes

  • Bidirectional voltage-level translation is possible without external control signals
  • Voltage-level translation is available in a power supply range from 1.2V to 3.6V
  • Bus isolation is possible by setting the level shifter to disabled


Samples of these latest additions to the Toshiba level shifter lineup are available now, with mass production beginning to ramp.

Toshiba's Discrete Products

Toshiba is a leading supplier in a number of discrete product categories, including power transistors, rectifiers and thyristors, LMOS logic, CMOS logic, photocouplers, Toslinks™, LEDs, small signal diodes and transistors. The company's discrete devices are designed to meet the growing demand for high-performance and lower voltages in today's wireless telecommunications and consumer electronics applications, while emphasizing its strength in the automotive and industrial markets.

*About Toshiba Corp. and TAEC

Through proven commitment, lasting relationships and advanced, reliable electronic components, Toshiba enables its customers to create market-leading designs. Toshiba is the heartbeat within product breakthroughs from OEMs, ODMs, CMs, VARs, distributors and fabless chip companies worldwide. A committed electronic components leader, Toshiba designs and manufactures high-quality flash memory-based storage solutions, solid state drives (SSDs), hard disk drives (HDDs), discrete devices, LCD displays, advanced materials, medical tubes, custom SoCs/ASICs, imaging products, microcontrollers and wireless components that make possible today's leading smartphones, tablet, MP3 players, cameras, medical devices, automotive electronics, enterprise solutions and more.

Toshiba America Electronic Components, Inc. is an independent operating company owned by Toshiba America, Inc., a subsidiary of Toshiba Corporation, Japan's largest semiconductor manufacturer and the world's third largest semiconductor manufacturer (Gartner, 2011 Worldwide Semiconductor Revenue, March, 2012). Toshiba Corporation was founded in 1875 and today has over 554 subsidiaries and affiliates, with 210,000 employees worldwide. Visit Toshiba's web site at

Information in this press release, including product pricing and specifications, content of services and contact information, is current and believed to be accurate on the date of the announcement, but is subject to change without prior notice. Technical and application information contained here is subject to the most recent applicable Toshiba product specifications. In developing designs, please ensure that Toshiba products are used within specified operating ranges as set forth in the most recent Toshiba product specifications and the information set forth in Toshiba's "Handling Guide for Semiconductor Devices," or "Toshiba Semiconductor Reliability Handbook." This information is available at , or from your TAEC representative.

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