Datasheet > UM3204_14

UM3204_14

更新时间： 2024-01-07 08:04:05

品牌	Logo	应用领域
英联电子 - UNIONSEMI		/
页数	文件大小	规格书
15页	366K
描述
4-Bit Bidirectional Voltage-Level Translator for Open-Drain and Push-Pull Application

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UM3204_14 数据手册

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

UM3204UE TSSOP14

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, V_CCBand V_CCA, set

the logic levels on either side of the device. A low-voltage logic signal present on the V_CCAside of

the device appears as a high-voltage logic signal on the V_CCBside of the device, and vice-versa.

The UM3204 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 UM3204 accepts V_CCA

from +1.65V to +3.6V and V_CCBfrom +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 V_CCA. ±5kV ESD

protection on the V_CCBside 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 and TSSOP14

packages.

Applications

Features



SPI, MICROWIRE, and I²C Level



Max Data Rates:

Translation

24Mbps(Push Pull),



Low-Voltage ASIC Level Translation

Smart Card Readers

Cell-Phone Cradles

Portable POS Systems

Portable Communication Devices

Low-Cost Serial Interfaces

Cell-Phones

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_CCAor V_CCBCan Be Ramped First

CSP12, QFN14 and TSSOP14 Packages



GPS



Telecommunications Equipment

________________________________________________________________________

http://www.union-ic.com Rev.08 Dec.2014 1/15

12 3 4 5 6 7...15

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