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74AC257MTC PDF预览

74AC257MTC

更新时间: 2024-11-18 22:53:11
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 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 100K
描述
Quad 2-Input Multiplexer with 3-STATE Outputs

74AC257MTC 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:TSSOP包装说明:TSSOP, TSSOP16,.25
针数:16Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.61
Is Samacsys:N系列:AC
JESD-30 代码:R-PDSO-G16JESD-609代码:e3
长度:5 mm负载电容(CL):50 pF
逻辑集成电路类型:MULTIPLEXER最大I(ol):0.012 A
湿度敏感等级:1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:85 °C
最低工作温度:-40 °C输出特性:3-STATE
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
峰值回流温度(摄氏度):260电源:3.3/5 V
Prop。Delay @ Nom-Sup:9 ns传播延迟(tpd):11.5 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):6 V
最小供电电压 (Vsup):2 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:4.4 mm
Base Number Matches:1

74AC257MTC 数据手册

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November 1988  
Revised November 1999  
74AC257 74ACT257  
Quad 2-Input Multiplexer with 3-STATE Outputs  
General Description  
Features  
The AC/ACT257 is a quad 2-input multiplexer with 3-  
STATE outputs. Four bits of data from two sources can be  
selected using a Common Data Select input. The four out-  
puts 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)  
input, allowing the outputs to interface directly with bus-ori-  
ented systems.  
ICC and IOZ reduced by 50%  
Multiplexer expansion by tying outputs together  
Noninverting 3-STATE outputs  
Outputs source/sink 24 mA  
ACT257 has TTL-compatible inputs  
Ordering Code:  
Order Number Package Number  
Package Description  
74AC257SC  
74AC257SJ  
M16A  
M16D  
MTC16  
N16E  
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150Narrow Body  
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide  
74AC257MTC  
74AC257PC  
74ACT257SC  
74ACT257SJ  
74ACT257MTC  
74ACT257PC  
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide  
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300Wide  
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150Narrow Body  
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide  
M16A  
M16D  
MTC16  
N16E  
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide  
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300Wide  
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.  
Logic Symbols  
Connection Diagram  
IEEE/IEC  
Pin Descriptions  
Pin Names  
Description  
S
Common Data Select Input  
3-STATE Output Enable Input  
Data Inputs from Source 0  
Data Inputs from Source 1  
3-STATE Multiplexer Outputs  
OE  
I
0aI0d  
1aI1d  
I
ZaZd  
FACT is a trademark of Fairchild Semiconductor Corporation.  
© 1999 Fairchild Semiconductor Corporation  
DS009949  
www.fairchildsemi.com  

74AC257MTC 替代型号

型号 品牌 替代类型 描述 数据表
74AC257SJX FAIRCHILD

完全替代

2-Input Digital Multiplexer
74AC257SC FAIRCHILD

完全替代

Quad 2-Input Multiplexer with 3-STATE Outputs

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