Datasheet > UM2002

UM2002

更新时间： 2024-11-26 01:12:23

品牌	Logo	应用领域
英联电子 - UNIONSEMI		/
页数	文件大小	规格书
12页	279K
描述
Bidirectional voltage level translator for open-drain and push-pull applications

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UM2002 数据手册

UM2002

Bidirectional voltage level translator for open-drain and

push-pull applications

UM2002S8 SOP8

UM2002U8 TSSOP8

General Description

The UM2002 is a bidirectional voltage level translator operational from 1.0V to 3.6V (V_ref(A)) and

1.8V to 5.5V (V_ref(B)), which allows bidirectional voltage translations between 1.0V and 5V

without the need for a direction pin in open-drain or push-pull applications. Bit widths ranging

from 1-bit or 2-bit are offered for level translation application with transmission speeds < 33 MHz

for an open-drain system with a 50 pF capacitance and a pull-up of 197Ω.

The translators provide excellent ESD protection to lower voltage devices, and at the same time

protect less ESD-resistant devices.

Applications

Features



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



Provides bidirectional voltage translation

with no direction pin



Less than 1.5 ns maximum propagation

delay

Allows voltage level translation between:

1). 1.0V V_ref(A)and 1.8V, 2.5V, 3.3V or 5V

V_ref(B)

2). 1.2V V_ref(A)and 1.8V, 2.5V, 3.3V or 5V

V_ref(B)

GPS

3). 1.8V V_ref(A)and 3.3V or 5V V_ref(B)

4). 2.0V V_ref(A)and 5V V_ref(B)

5). 3.3V V_ref(A)and 5V V_ref(B)

Low 3.5Ω ON-state connection between

input and output ports provides less signal

distortion

Telecommunications Equipment

Consumer Electronics

Household Appliances



5V tolerant I/O ports to support

mixed-mode signal operation

High-impedance An and Bn pins for

EN = LOW



Lock-up free operation

Flow through pinout for ease of

printed-circuit board trace routing

ESD protection exceeds:



4kV HBM per JESD22-A114

200V MM per JESD22-A115

1000V CDM per JESD22-C101

Packages offered: SOP8, TSSOP8



________________________________________________________________________

http://www.union-ic.com Rev.04 Feb.2014 1/12

12 3 4 5 6 7...12

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