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Union Semiconductor

UM3204 Datasheet Preview

UM3204 Datasheet

4-Bit Bidirectional Voltage-Level Translator

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UM3204
4-Bit Bidirectional Voltage-Level Translator for
Open-Drain and Push-Pull Application
UM3204H CSP12 1.9×1.4
UM3204Q QFN14 3.5×3.5
UM3204QS QFN14 3.5×3.5
UM3204UE TSSOP14
UM3204QT QFN12 1.7×2.0
General Description
The UM3204 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 high-voltage logic signal on the VCCB side of the device, and vice-versa.
The UM3204 bidirectional level translator utilizes a transmission-gate based design to allow data
translation in either direction (VCCAVCCB) on any single data line. The UM3204 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 UM3204 enters a three-state output mode to reduce supply current when output enable (OE)
is low. The UM3204 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
UM3204 is a quad level translator available in CSP12 1.9×1.4, QFN14 3.5×3.5, TSSOP14 and
QFN12 1.7×2.0 packages.
Applications
Features
z SPI, MICROWIRE, and I2C Level z Max Data Rates:
Translation
24Mbps(Push Pull),
z Low-Voltage ASIC Level Translation
2Mbps(Open Drain)
z Smart Card Readers
z Bidirectional Level Translation
z Cell-Phone Cradles
z 1.65V to 3.6V on A Port and 2.3V to
z Portable POS Systems
z Portable Communication Devices
5.5V on B Port(VCCAVCCB)
z ±5kV ESD Protection on B Port
z Low-Cost Serial Interfaces
z No Power-Supply Sequencing Required
z Cell-Phones
z GPS
VCCA or VCCB Can Be Ramped First
z CSP12, QFN14, TSSOP14 and QFN12
z Telecommunications Equipment
Packages
________________________________________________________________________
http://www.union-ic.com Rev.12 Dec.2017
1/17




Union Semiconductor

UM3204 Datasheet Preview

UM3204 Datasheet

4-Bit Bidirectional Voltage-Level Translator

No Preview Available !

Pin Configurations
(Top View)
Top View
UM3204
(Top View)
(Top View)
(Top View)
M: Month Code
UM3204H
CSP12 1.9×1.4
XX: Week Code
UM3204Q
QFN14 3.5×3.5
XX: Week Code
UM3204QS
QFN14 3.5×3.5
XX: Week Code
UM3204UE
TSSOP14
________________________________________________________________________
http://www.union-ic.com Rev.12 Dec.2017
2/17


Part Number UM3204
Description 4-Bit Bidirectional Voltage-Level Translator
Maker Union Semiconductor
Total Page 17 Pages
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