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74AC157B PDF预览

74AC157B

更新时间: 2024-09-27 22:56:15
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 84K
描述
QUAD 2 CHANNEL MULTIPLEXER

74AC157B 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:DIP包装说明:DIP, DIP16,.3
针数:16Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.53
Is Samacsys:N系列:AC
JESD-30 代码:R-PDIP-T16JESD-609代码:e3
负载电容(CL):50 pF逻辑集成电路类型:MULTIPLEXER
最大I(ol):0.012 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:DIP
封装等效代码:DIP16,.3封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):NOT SPECIFIED
电源:3.3/5 VProp。Delay @ Nom-Sup:9 ns
传播延迟(tpd):9 ns认证状态:Not Qualified
座面最大高度:5.1 mm子类别:Multiplexer/Demultiplexers
最大供电电压 (Vsup):6 V最小供电电压 (Vsup):2 V
标称供电电压 (Vsup):3.3 V表面贴装:NO
技术:CMOS温度等级:MILITARY
端子面层:Matte Tin (Sn)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:7.62 mm
Base Number Matches:1

74AC157B 数据手册

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74AC157  
QUAD 2 CHANNEL MULTIPLEXER  
PRELIMINARY DATA  
HIGH SPEED: tPD = 4 ns (TYP.) at VCC = 5V  
LOW POWER DISSIPATION:  
ICC = 8 µA (MAX.) at TA = 25 oC  
HIGH NOISE IMMUNITY:  
VNIH = VNIL = 28% VCC (MIN.)  
50TRANSMISSION LINE DRIVING  
CAPABILITY  
SYMMETRICAL OUTPUT IMPEDANCE:  
|IOH| = IOL =24 mA (MIN)  
BALANCED PROPAGATION DELAYS:  
tPLH tPHL  
OPERATING VOLTAGE RANGE:  
B
M
(Plastic Package)  
(Micro Package)  
ORDER CODES :  
74AC157B  
74AC157M  
It consists of four 2-input digital multiplexers with  
common select and strobe inputs. It is a  
non-inverting multiplexer. When the STROBE  
input is held high selection of data is inhibit and  
all the outputs become low. The SELECT  
decoding determines whether the A or B inputs  
get routed to their corresponding Y outputs.  
All inputs and outputs are equipped with  
protection circuits against static discharge, giving  
them 2KV ESD immunity and transient excess  
voltage.  
VCC (OPR) = 2V to 6V  
PIN AND FUNCTION COMPATIBLE WITH  
74 SERIES 157  
IMPROVED LATCH-UP IMMUNITY  
DESCRIPTION  
The AC157 is an high-speed CMOS QUAD  
2-CHANNEL MULTIPLEXER fabricated with  
sub-micron silicon gate and double-layer metal  
wiring C2MOS technology. It is ideal for low  
power applications maintaining high speed  
operation similar to equivalent Bipolar Schottky  
TTL.  
PIN CONNECTION AND IEC LOGIC SYMBOLS  
1/9  
May 1997  

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