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74VHC245MTR PDF预览

74VHC245MTR

更新时间: 2024-11-04 04:48:03
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 总线收发器
页数 文件大小 规格书
12页 311K
描述
OCTAL BUS TRANSCEIVER (3-STATE)

74VHC245MTR 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP, SOP20,.4针数:20
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.06其他特性:WITH DIRECTION CONTROL
控制类型:COMMON CONTROL计数方向:BIDIRECTIONAL
系列:AHC/VHC/H/U/VJESD-30 代码:R-PDSO-G20
JESD-609代码:e4长度:12.8 mm
负载电容(CL):50 pF逻辑集成电路类型:BUS TRANSCEIVER
最大I(ol):0.008 A湿度敏感等级:3
位数:8功能数量:1
端口数量:2端子数量:20
最高工作温度:125 °C最低工作温度:-55 °C
输出特性:3-STATE输出极性:TRUE
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP20,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE包装方法:TAPE AND REEL
峰值回流温度(摄氏度):260电源:2/5.5 V
Prop。Delay @ Nom-Sup:8.5 ns传播延迟(tpd):13.5 ns
认证状态:Not Qualified座面最大高度:2.65 mm
子类别:Bus Driver/Transceivers最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):2 V标称供电电压 (Vsup):3.3 V
表面贴装:YES技术:CMOS
温度等级:MILITARY端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:7.5 mmBase Number Matches:1

74VHC245MTR 数据手册

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74VHC245  
OCTAL BUS  
TRANSCEIVER (3-STATE)  
HIGH SPEED: t = 4.0 ns (TYP.) at V = 5V  
PD CC  
LOW POWER DISSIPATION:  
I
= 4 µA (MAX.) at T =25°C  
CC  
A
HIGH NOISE IMMUNITY:  
= V = 28% V (MIN.)  
POWER DOWN PROTECTION ON  
CONTROL INPUTS  
V
NIH  
NIL  
CC  
SOP  
TSSOP  
SYMMETRICAL OUTPUT IMPEDANCE:  
|I | = I = 8 mA (MIN)  
OH  
OL  
Table 1: Order Codes  
PACKAGE  
BALANCED PROPAGATION DELAYS:  
t
t
PLH  
PHL  
T & R  
OPERATING VOLTAGE RANGE:  
(OPR) = 2V to 5.5V  
SOP  
74VHC245MTR  
74VHC245TTR  
V
CC  
TSSOP  
PIN AND FUNCTION COMPATIBLE WITH  
74 SERIES 245  
IMPROVED LATCH-UP IMMUNITY  
direction of data transmission is determined by  
DIR input. The enable input G can be used to  
disable the device so that the busses are  
effectively isolated.  
LOW NOISE: V  
= 0.9V (MAX.)  
OLP  
DESCRIPTION  
All inputs and outputs are equipped with  
protection circuits against static discharge, giving  
them 2KV ESD immunity and transient excess  
voltage.  
All floating bus terminals during High Z State must  
be held HIGH or LOW.  
The 74VHC245 is an advanced high-speed  
CMOS OCTAL BUS TRANSCEIVER (3-STATE)  
fabricated with sub-micron silicon gate and  
double-layer metal wiring C MOS technology.  
This IC is intended for two-way asynchronous  
communication between data busses; the  
2
Figure 1: Pin Connection And IEC Logic Symbols  
Rev. 6  
1/12  
November 2004  

74VHC245MTR 替代型号

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