Product category:
Standard Logic Devices
News Release from: Toshiba Electronics Europe | Subject: TC7WPx3125FC, TC7MPx3125FTG and TC7MPx3245FTG
Edited by the Electronicstalk Editorial
Team on 12 June 2006
Level shifters bring harmony to logic
voltages
Three new high-speed dual supply voltage level-shifter series in leadless packages are designed to help engineers build systems with multiple logic levels.
Toshiba Electronics Europe (TEE) has announced three new high-speed dual supply voltage level-shifter series in leadless packages that are designed to help engineers build systems with multiple logic levels Offering small size and reduced power consumption, the devices are ideally suited for use in battery operated handheld equipment (e.g mobile telephones), as well as consumer and industrial systems
This article was originally published on Electronicstalk on 8 Nov 2004 at 8.00am (UK)
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The three types are the 2bit TC7WPx3125FC bus buffer, the 4bit TC7MPx3125FTG bus transceiver and the 8bit TC7MPx3245FTG bus transceiver series.
In addition to the standard series, either bus-hold functionality is available for the 4 and 8bit transceivers (TC7MPH3125FTG and TC7MPH3245FTG), while low noise operation is available for the 2bit buffer and the 4bit transceiver (TC7WPN3125FC and TC7MPN3125FTG).
All are designed to translate between two logic levels ranging from 1.1 to 3.6V.
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Toshiba Electronics has introduced two surface-mount chipsets that greatly simplify the task of designing compact disc (CD) modules for vehicle audio applications.
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Stockholm-based Net Insight AB has developed a high-performance, single-chip, multi-service switch capable of speeds up to 8Gbit/s using advanced ASIC technology from Toshiba.
Such design requirements are increasingly common as core logic voltages are driven lower, whilst peripheral ICs or memories inherently require higher logic levels.
These new Toshiba transceiver/buffer chips use ultra-small leadless CST and VQON packages to satisfy the sise requirements of portable device designers.
Internal power-reduction circuitry cuts the disable-mode current consumption of the devices to levels of around 1uA, depending on the supply voltages to be translated.
In the case of the TC7MPH3125FTG and TC7MPH3245FTG, the integral bus-hold circuit eliminates the need for external pull-up resistors, reducing overall component count and further increasing miniaturisation.
Fabricated using Toshiba's silicon-gate CMOS technology, the level shifters feature overvoltage tolerant inputs and outputs up to 3.6V.
They are further shielded by internal static discharge and transient excess protection circuits, conforming to machine model +/-200V and human-body model +/-2000V levels.
Direction of data transmission in the bidirectional (-FTG) versions is definable for pairs of datalines, as is the output-enable function that effectively isolates all of the buses.
The devices are characterised for use across the -40 to +85C temperature range and are available in production quantities immediately.
In addition to the compact leadless package series, small-scale outer leaded versions of the 2, 4 and 8bit versions are available, along with an extension of the lineup towards 1 and 16bit components (eg the TC7SPN3125TU 1bit and TC74VCX164245 16bit devices).
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