产品概述
描述
The ST2349A is a 4-bit dual supply level translator which provides the level shifting capability to allow data transfer in a multi-voltage system. Externally applied voltages, VCC and VL, set the logic levels on either side of the device. It utilizes transmission gate-based design that allows bi-directional level translation without a control pin.
The ST2349A accepts a VL from 1.65 to 3.6 V and VCC from 1.80 to 5.5 V, making it ideal for data transfer between low-voltage ASICs/PLD and higher voltage systems. This device has a tristate output mode which can be used to disable all I/Os.
The ST2349A supports power down mode when VCC is grounded/floating and the device is disabled via the OE pin.
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所有功能
- ESD performance on all pins: ±2 kV HBM
- 5.5 V tolerant enable pin
- Small package and footprint QFN16 (2.6 x 1.8 mm) package
- Low quiescent current (max 8 μA)
- Power down mode feature – when either supply is off, all I/Os are in high impedance
- 18 Mbps (max) data rate when driven by a totem pole driver
- Bi-directional level translation without direction control pin
- 6.8 Mbps (max) data rate when driven by an open drain pole driver
- Wide VCC voltage range of 1.80 to 5.5 V
- Able to be driven by totem pole and open drain drivers
- Wide VL voltage range of 1.65 to 3.6 V
