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" /> UM3204QB-电平转换器-接口-英联产品-英联
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UM3204QB
用于漏极开路和推挽应用的4位双向电压电平转换器
Datasheet Reliability Report Package Information Order Sample  
Key Specifications
Part Number Description Status VCCA(Min)(V) VCCA(Max)(V) VCCB(Min)(V) VCCB(Max)(V) Max Data Rate(Mbps) No. of Bits Operating Temperature Range(℃) Pin/Package EV Kit Available?
UM3204QB 用于漏极开路和推挽应用的4位双向电压电平转换器 ACTIVE 1.65 3.6 2.3 5.5 24 4 -40 to 85 12/QFN 2.0×2.0 Y
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Product Description 
 

The UM3204QB is quad channel ESD-protected level translator provide the level shifting necessary to allow data transfer in a multi-voltage system. Externally applied voltages, VCCB and VCCA, set the logic levels on either side of the device. A low-voltage logic signal present on the VCCA side of the device appears as a low-voltage logic signal on the VCCB side of the device, and vice-versa. The UM3204QB bidirectional level translator utilizes a transmission-gate based design to allow data translation in either direction (VCCA↔VCCB) on any single data line. The UM3204QB accepts VCCA from +1.65V to +3.6V and VCCB from +2.3V to +5.5V, making it ideal for data transfer between low-voltage ASICs / PLDs and higher voltage systems.
The UM3204QB enters a three-state output mode to reduce supply current when output enable (OE) is low. The UM3204QB is designed so that the OE input circuit is supplied by VCCA. ±5kV ESD protection on the VCCB side for greater protection in applications that route signals externally. The UM3204QB is a quad level translator available in QFN12 2.0×2.0 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(VCCA≤VCCB)
- ±5kV ESD Protection on B Port
- No Power-Supply Sequencing Required VCCA or VCCB can be Ramped First
- QFN12 2.0×2.0 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)
   
Ordering Information

Part Number
Packaging Type
Marking Code
Shipping Qty
UM3204QB
QFN12 2.0×2.0
BKB
3000pcs/7Inch
Tape & Reel
Application Notes
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Product Selection Guide
Interface and System Interconnect Selection Guide.pdf
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