Datasheet 搜索 > 电压电平转换器 > TI（德州仪器） > SN74AVCH4T245RGYR 数据手册 > SN74AVCH4T245RGYR 数据手册 18/37 页
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SN74AVCH4T245RGYR 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
电压电平转换器
封装:
VQFN-16
描述:
可配置电压转换和三态输出的4位双电源总线收发器 4-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P4Hot
典型应用电路图在P1P17P19P20
原理图在P17
封装尺寸在P24P26P27
焊盘布局在P22
标记信息在P24P25
封装信息在P23P24P25P26P27
技术参数、封装参数在P5
应用领域在P1P17P23P25P37
电气规格在P7P8P18
导航目录
SN74AVCH4T245RGYR数据手册
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若手册格式错乱，请下载阅览PDF原文件
SN74AVCH4T245
SCES577E –JUNE 2004–REVISED NOVEMBER 2015
www.ti.com
Feature Description (continued)
9.3.5 Vcc Isolation Feature
The VCC isolation feature ensures that if either V
CCA
or V
CCB
are at GND (or < 0.4V), both ports will be in a high-
impedance state (IOZ shown in Electrical Characteristics). This prevents false logic levels from being presented
to either bus.
9.4 Device Functional Modes
Table 1 lists the functional modes of the SN74AVCH4T245.
Table 1. Function Table (Each 2-Bit Section)
CONTROL OUTPUT CIRCUITS
INPUTS
(1)
OPERATION
OE DIR A PORT B PORT
L L Enabled Hi-Z B data to A bus
L H Hi-Z Enabled A data to B bus
H X Hi-Z Hi-Z Isolation
(1) Input circuits of the data I/Os are always active.
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