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54AC257LMQB PDF预览

54AC257LMQB

更新时间: 2024-11-18 19:54:43
品牌 Logo 应用领域
德州仪器 - TI 输出元件逻辑集成电路
页数 文件大小 规格书
11页 172K
描述
AC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CQCC20, CERAMIC, LCC-20

54AC257LMQB 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:QCCN, LCC20,.35SQReach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.18
Is Samacsys:N系列:AC
JESD-30 代码:S-CQCC-N20JESD-609代码:e0
长度:8.89 mm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: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:CERAMIC, METAL-SEALED COFIRED封装代码:QCCN
封装等效代码:LCC20,.35SQ封装形状:SQUARE
封装形式:CHIP CARRIER峰值回流温度(摄氏度):NOT SPECIFIED
电源:3.3/5 VProp。Delay @ Nom-Sup:11 ns
传播延迟(tpd):11 ns认证状态:Not Qualified
筛选级别:MIL-STD-883座面最大高度:1.905 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 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:NO LEAD端子节距:1.27 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:8.89 mmBase Number Matches:1

54AC257LMQB 数据手册

 浏览型号54AC257LMQB的Datasheet PDF文件第2页浏览型号54AC257LMQB的Datasheet PDF文件第3页浏览型号54AC257LMQB的Datasheet PDF文件第4页浏览型号54AC257LMQB的Datasheet PDF文件第5页浏览型号54AC257LMQB的Datasheet PDF文件第6页浏览型号54AC257LMQB的Datasheet PDF文件第7页 
July 1998  
54AC257 54ACT257  
Quad 2-Input Multiplexer with TRI-STATE® Outputs  
General Description  
Features  
n ICC and IOZ reduced by 50%  
n Multiplexer expansion by tying outputs together  
n Noninverting TRI-STATE outputs  
n Outputs source/sink 24 mA  
The ’AC/’ACT257 is  
a quad 2-input multiplexer with  
TRI-STATE outputs. Four bits of data from two sources can  
be selected using a Common Data Select input. The four  
outputs present the selected data in true (noninverted) form.  
The outputs may be switched to a high impedance state by  
placing a logic HIGH on the common Output Enable (OE) in-  
put, allowing the outputs to interface directly with  
bus-oriented systems.  
n ’ACT257 has TTL-compatible inputs  
n Standard Military Drawing (SMD)  
— ’AC257: 5962-88703  
— ’ACT257: 5962-89689  
Logic Symbols  
IEEE/IEC  
DS100286-1  
DS100286-2  
Pin Names  
Description  
S
Common Data Select Input  
TRI-STATE Output Enable Input  
Data Inputs from Source 0  
Data Inputs from Source 1  
TRI-STATE Multiplexer Outputs  
OE  
I
I
0a–I0d  
1a–I1d  
Za–Zd  
TRI-STATE® is a registered trademark of National Semiconductor Corporation.  
FACT is a trademark of Fairchild Semiconductor Corporation.  
© 1998 National Semiconductor Corporation  
DS100286  
www.national.com  

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