ST2349

更新时间： 2024-09-15 04:02:27

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		转换器电平转换器
页数	文件大小	规格书
23页	417K
描述
4-bit dual supply level translator without direction control pin

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中文翻译

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ST2349 数据手册

ST2349

4-bit dual supply level translator

without direction control pin

Features

■ 45 Mbps (max) data rate when driven by a

totem pole driver

■ 4 Mbps (max) data rate when driven by an

open drain pole driver

■ Bi-directional level translation without

direction control pin

■ Wide V voltage range of 1.65 to 3.6 V

QFN16L

(2.6 x 1.8 mm)

■ Wide V voltage range of 1.80 to 5.5 V

■ Power down mode feature – when either

supply is off, all I/Os are in high impedance

Description

■ Low quiescent current (max 24 µA)

■ Able to be driven by totem pole and open drain

The ST2349 is a 4-bit dual supply level translator

which provides the level shifting capability to allow

data transfer in a multi-voltage system. Externally

drivers

■ 5.5 V tolerant enable pin

applied voltages, V and V , set the logic levels

■ ESD performance on all pins: 2 kV HBM

on either side of the device. It utilizes

■ Small package and footprint

transmission gate-based design that allows bi-

directional level translation without a control pin.

QFN16 (2.6 x 1.8 mm) package

The ST2349 accepts a V from 1.65 to 3.6 V and

Applications

from 1.80 to 5.5 V, making it ideal for data

transfer between low-voltage ASICs/PLD and

higher voltage systems. This device has a tri-state

output mode which can be used to disable all

I/Os.

■ Low voltage system level translation

■ Mobile phones and other mobile devices

■ I C level translation

The ST2349 supports power down mode when

■ UART level translation

is grounded/floating and the device is

disabled via the OE pin.

Table 1.

Device summary

Order code

Package

QFN16 (2.6 x 1.8 mm)

Packaging

ST2349QTR

Tape & reel (3000 parts per reel)

November 2007

Rev 3

1/23

www.st.com

12 3 4 5 6 7...23

中文翻译

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