February 6, 2007 -
Models TXB0104 and TXS0104E voltage-level 4-bit translators eliminate need for direction control signals and help improve connectivity between processors and peripherals. Designed for SD card interface via SD 1-bit mode or SPI mode applications, Model TXB0104 provides universal low-voltage translation between 1.2, 1.5, 1.8, 2.5, 3.3, and 5 V nodes. Model TXS0104E offers translation between 1.8, 2.5, 3.3, and 5 V voltage nodes, and suits open drain applications.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
TI's New Auto-Direction Voltage-Level Translation Devices Improve Connectivity Between Next-Generation Processors and Peripherals
DALLAS (Dec. 19, 2006) - Texas Instruments Incorporated (TI) (NYSE: TXN) today announced the release of two new bi-directional voltage-level translation devices, TXB0104 and TXS0104E, that improve connectivity between next-generation processors and peripheral devices. Eliminating the requirement for direction control signals used by traditional voltage-level translation devices, designers are able to decrease the complexity of control software and save valuable GPIOs on core processors.
The TXB0104, a 4-bit bidirectional voltage-level translator, provides universal low-voltage bidirectional translation between any of the 1.2-V, 1.5- V, 1.8-V, 2.5-V, 3.3-V, and 5-V nodes. Vcca accepts any supply voltage from 1.2-V to 3.6-V. The B port is designed to track Vcca. Vccb accepts any supply voltage from 1.65-V to 5.5-V. This device is suitable for applications such as SD card interface via SD 1-bit mode or SPI mode.
For open drain applications, such as I2C or MMC card interface (initialization mode), TI's new TXS0104E, 4-bit bidirectional voltage-level translator, contains integrated pull-up resistors saving valuable board real estate and total system cost. The TXS0104E uses two separate configurable power-supply rails. The A port is designed to track Vcca. Vcca accepts any supply voltage from 1.65-V to 3.6-V; Vcca must be less than or equal to Vccb. The B port is designed to track Vccb. Vccb accepts any supply voltage from 2.3-V to 5.5-V. This allows for low-voltage bidirectional translation between any of the 1.8-V, 2.5-V, 3.3-V, and 5-V voltage nodes.
Key Features:
o ±15kV ESD protection on the B-port
o Vcc Isolation Feature
o OE Input Circuit Referenced to Vcca
o Low Power Consumption, 4-uA Max ICC
o Ioff Supports Partial-Power-Down Mode Operation
o No Power-Supply Sequencing Required - Vcca or Vccb Can Be Ramped First
Packaging, Pricing, and Availability
The TXB0104 and TXS0104E are offered in traditional SOIC (D), TSSOP (PW) and QFN (RGY) packages, as well as the space saving 12-ball BGA (ZXU) package. Both devices are available to sample in all package options. Budgetary pricing for the TXB0104ZXUR is set at $1.21 in quantities of 1,000. Budgetary pricing for the TXS0104EZXUR is set at $1.41 in quantities of 1,000.
About Texas Instruments:
Texas Instruments Incorporated provides innovative DSP and analog technologies to meet our customers' real world signal processing requirements. In addition to Semiconductor, the company includes the Educational & Productivity Solutions business. TI is headquartered in Dallas, Texas, and has manufacturing, design or sales operations in more than 25 countries.
Texas Instruments is traded on the New York Stock Exchange under the symbol TXN. More information is located on the World Wide Web at http://www.ti.com . Company Information: Name: Texas Instruments Inc. / Tiris Division Address: 13020 Floyd Road MS 3626 City: Dallas State: TX ZIP: 75243 Country: USA Phone: 972 917 1462 FAX: 972 917 1440 http://www.tiris.com
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