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74VHC157T PDF预览

74VHC157T

更新时间: 2024-11-19 22:56:23
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 解复用器逻辑集成电路光电二极管
页数 文件大小 规格书
9页 68K
描述
QUAD 2 CHANNEL MULTIPLEXER

74VHC157T 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:TSSOP包装说明:TSSOP-16
针数:16Reach Compliance Code:not_compliant
HTS代码:8542.39.00.01风险等级:5.11
Is Samacsys:N系列:AHC/VHC
JESD-30 代码:R-PDSO-G16JESD-609代码:e0
长度:5 mm负载电容(CL):50 pF
逻辑集成电路类型:MULTIPLEXER最大I(ol):0.008 A
功能数量:4输入次数:2
输出次数:1端子数量:16
最高工作温度:125 °C最低工作温度:-55 °C
输出极性:TRUE封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP16,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
电源:2/5.5 VProp。Delay @ Nom-Sup:9.5 ns
传播延迟(tpd):15 ns认证状态:Not Qualified
座面最大高度:1.2 mm子类别:Multiplexer/Demultiplexers
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:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
宽度:4.4 mmBase Number Matches:1

74VHC157T 数据手册

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74VHC157  
QUAD 2 CHANNEL MULTIPLEXER  
PRELIMINARY DATA  
HIGH SPEED:tPD =4.1ns (TYP.) atVCC = 5V  
LOW POWER DISSIPATION:  
ICC =4 µA (MAX.) at TA =25 oC  
HIGH NOISEIMMUNITY:  
VNIH = VNIL =28% VCC (MIN.)  
POWERDOWN PROTECTIONON INPUTS  
SYMMETRICAL OUTPUT IMPEDANCE:  
|IOH| = IOL = 8 mA (MIN)  
BALANCEDPROPAGATIONDELAYS:  
tPLH tPHL  
M1  
T
(Micro Package)  
(TSSOPPackage)  
ORDER CODES :  
74VHC157M  
74VHC157T  
OPERATING VOLTAGERANGE:  
VCC (OPR)= 2V to 5.5V  
non-inverting multiplexer. When the STROBE  
input is held high, selection of data is inhibited  
and all the outputs become low. The SELECT  
decoding determines whether the A or B inputs  
get routed to their corresponding Y outputs.  
PIN AND FUNCTION COMPATIBLEWITH  
74 SERIES157  
IMPROVED LATCH-UP IMMUNITY  
LOWNOISE:VOLP = 0.8V(Max.)  
Power down protection is provided on all inputs  
and 0 to 7V can be accepted on inputs with no  
regard to the supply voltage. This device can be  
used to interface 5V to 3V.All inputs and outputs  
are equippedwith protection circuits against static  
discharge, giving them 2KV ESD immunity and  
transientexcess voltage.  
DESCRIPTION  
The 74VHC157 is an high-speed CMOS QUAD  
2-CHANNEL MULTIPLEXER fabricated with  
sub-micron silicon gate and double-layer metal  
wiring C2MOS technology.  
It consists of four 2-input digital multiplexers with  
common select and strobe inputs. It is a  
PIN CONNECTION AND IEC LOGIC SYMBOLS  
1/9  
June 1999  

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