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Numéro de référence | UM3202 | ||
Description | 2-Bit Bidirectional Voltage-Level Translator | ||
Fabricant | Union Semiconductor | ||
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1 Page
UM3202
2-Bit Bidirectional Voltage-Level Translator for Open-Drain and
Push-Pull Application
UM3202Q DFN8 1.70×1.35
UM3202A QFN10 1.80×1.40
UM3202H CSP8 1.90×0.90
General Description
The UM3202Q/3202A/3202H is ±15kV dual 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 high-voltage logic signal on the VCCB
side of the device, and vice-versa. The UM3202Q/3202A/3202H bidirectional level translator
utilizes a transmission-gate based design to allow data translation in either direction (VCCA↔VCCB)
on any single data line. The UM3202Q/3202A/3202H 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 UM3202Q/3202A/3202H enters a three-state output mode to reduce supply current when
output enable (OE) is low. The UM3202Q/3202A/3202H is designed so that the OE input circuit
is supplied by VCCA. ±15kV ESD protection on the VCCB side for greater protection in applications
that route signals externally.
The UM3202Q is a dual level translator available in DFN8 1.70×1.35, the UM3202A is a dual
level translator available in QFN10 1.80×1.40, and the UM3202H is a dual level translator
available in CSP8 1.90×0.90 package.
Applications
Features
SPI, MICROWIRE, and I2C Level Max Data Rates:
Translation
24Mbps(Push Pull),
Low-Voltage ASIC Level Translation
2Mbps(Open Drain)
Smart Card Readers
Bidirectional Level Translation
Cell-phone Cradles
1.65V to 3.6V on A port and 2.3V to 5.5V
Portable POS Systems
Portable Communication Devices
on B port (VCCA≤VCCB)
±15kV ESD Protection on B port
Low-Cost Serial Interfaces
No Power-Supply Sequencing Required
Cell-Phones
GPS
VCCA or VCCB Can Be Ramped First
DFN8, QFN10 and CSP8 Packages
Telecommunications Equipment
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http://www.union-ic.com Rev.06 Sep.2013
1/13
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Pages | Pages 13 | ||
Télécharger | [ UM3202 ] |
No | Description détaillée | Fabricant |
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