Key Specifications

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Product Description  

The UM3204Q is quad channel ESD-protected level translator provide the level shifting necessary to allow data transfer in a multi-voltage system. Externally applied voltages, V_CCB and V_CCA, set the logic levels on either side of the device. A low-voltage logic signal present on the V_CCA side of the device appears as a high-voltage logic signal on the V_CCB side of the device, and vice-versa. The UM3204Q bidirectional level translator utilizes a transmission-gate based design to allow data translation in either direction (V_CCA↔V_CCB) on any single data line. The UM3204Q accepts V_CCA from +1.65V to +3.6V and V_CCB from +2.3V to +5.5V, making it ideal for data transfer between low-voltage ASICs / PLDs and higher voltage systems.

The UM3204Q enters a three-state output mode to reduce supply current when output enable (OE) is low. The UM3204Q is designed so that the OE input circuit is supplied by V_CCA. ±5kV ESD protection on the V_CCB side for greater protection in applications that route signals externally. The UM3204Q is a quad level translator available in QFN14 3.5×3.5 package.

Features

- Max Data Rates:

  24Mbps(Push Pull),  

  2Mbps(Open Drain)                        

- Bidirectional Level Translation

- 1.65V to 3.6V on A Port and 2.3V to 5.5V on B Port(V_CCA≤V_CCB)

- ±5kV ESD Protection on B Port

- No Power-Supply Sequencing Required V_CCA or V_CCB can be Ramped First

- QFN14 3.5×3.5 Package

Applications

- SPI, MICROWIRE and I²C Level Translation

- Low-Voltage ASIC Level Translation

- Smart Card Readers

- Cell-Phone Cradles

- Portable POS Systems

- Portable Communication Devices

- Low-Cost Serial Interfaces

- Cell-Phones

- GPS

- Telecommunications Equipment

Pin Configurations   

                   (Top View)

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