Datasheet > UM3308_16

UM3308_16

更新时间： 2024-09-16 01:22:35

品牌	Logo	应用领域
英联电子 - UNIONSEMI		/
页数	文件大小	规格书
13页	384K
描述
8-Bit Bidirectional Voltage-Level Translator with Auto Direction Sensing and Â±15kV ESD Protection

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UM3308_16 数据手册

UM3308/UM3308H

8-Bit Bidirectional Voltage-Level Translator with

Auto Direction Sensing and ±15kV ESD Protection

UM3308 CSP20 2.7×2.4

UM3308H CSP20 2.4×1.9

General Description

UM3308/UM3308H is 8-channel bidirectional voltage level translator with auto direction sensing

and ±15kV ESD protection. This 8-channel non-inverting translator uses two separate

configurable power-supply rails. The A port is designed to track V_CCA. V_CCAaccepts any supply

voltage from 1.2V to 3.6V. The B port is designed to track V_CCB. V_CCBaccepts any supply voltage

from 1.65V to 5.5V. This allows for universal low-voltage bidirectional translation between any

of the 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, and 5V voltage nodes. Both I/O ports are auto-sensing; thus,

no direction pin is required, making it ideal for data transfer between low-voltage ASICs/PLDs

and higher voltage systems.

The UM3308/UM3308H operates at a guaranteed data rate of 20Mbps over the entire specified

operating voltage range. Within specific voltage domains, higher data rates are up to 100Mbps.

When the output-enable (OE) input is low, all outputs are placed in the high-impedance state. The

UM3308/UM3308H is designed so that the OE input circuit is supplied by V_CCA

To ensure the high-impedance state during power up or power down, OE should be tied to GND

through a pull down resistor; the minimum value of the resistor is determined by the

current-sourcing capability of the driver.

The UM3308 is 8-channel level translator available in CSP20 2.7×2.4 bump package while the

UM3308H is available in CSP20 2.4×1.9 bump package. The UM3308H includes wafer backside

coating process, making the chip more unbreakable.

Applications

Features



Low-Voltage ASIC Level Translation

Cell-Phone Cradles

Portable POS Systems

Portable Communication Devices

Low-Cost Serial Interfaces

Cell-Phones



1.2V to 3.6V on A Port and 1.65V to 5.5V

on B Port (V_CCA≤V_CCB

V_CCIsolation Feature – If Either V_CCInput

is at GND, All Outputs are in the

High-Impedance State

OE Input Circuit Referenced to V_CCA

Low Power Consumption

Latch-Up Performance Exceeds 100mA

±15kV ESD Protection on B Ports

)



GPS

Telecommunications Equipment

Pin Configurations

(Bottom View)

Top View

XXX: Date Code

UM3308/UM3308H

CSP20 2.7×2.4/CSP20 2.4×1.9

________________________________________________________________________

http://www.union-ic.com Rev.10 Mar.2016 1/13

12 3 4 5 6 7...13

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与UM3308_16相关器件

型号	品牌	获取价格	描述	数据表
UM3308H	UNIONSEMI	获取价格	8-Bit Bidirectional Voltage-Level Translator
UM330EEUE	UNIONSEMI	获取价格	Quad, Wide-Bandwidth SPDT Video Analog Switch
UM3311	ETC	获取价格	10 WTT DC-DC CONVERTERS
UM3321	ETC	获取价格	10 WTT DC-DC CONVERTERS
UM3352E	UNIONSEMI	获取价格	Â±12kV ESD-Protected, Slew-Rate-Limited, Fail
UM3352E_15	UNIONSEMI	获取价格	ESD-Protected, Slew-Rate-Limited, Fail-Safe, True RS-485 Transceivers
UM3352EEPA	UNIONSEMI	获取价格	ESD-Protected, Slew-Rate-Limited, Fail-Safe, True RS-485 Transceivers
UM3352EESA	UNIONSEMI	获取价格	ESD-Protected, Slew-Rate-Limited, Fail-Safe, True RS-485 Transceivers
UM3381	ETC	获取价格	Analog IC
UM3381-1	ETC	获取价格	Analog IC

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