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SN74CBTLV3257DBQ PDF预览

SN74CBTLV3257DBQ

更新时间: 2024-11-08 22:22:39
品牌 Logo 应用领域
德州仪器 - TI 总线驱动器总线收发器解复用器逻辑集成电路光电二极管
页数 文件大小 规格书
6页 96K
描述
LOW-VOLTAGE 4-BIT 1-OF-2 FET MULTIPLEXER/DEMULTIPLEXER

SN74CBTLV3257DBQ 技术参数

生命周期:Obsolete零件包装代码:SOIC
包装说明:SSOP, SSOP16,.25针数:16
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.44Is Samacsys:N
控制类型:ENABLE LOW计数方向:BIDIRECTIONAL
系列:CBTLV/3BJESD-30 代码:R-PDSO-G16
长度:4.9 mm负载电容(CL):30 pF
逻辑集成电路类型:BUS EXCHANGER位数:4
功能数量:1输入次数:1
输出次数:2端口数量:3
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:SSOP封装等效代码:SSOP16,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
最大电源电流(ICC):0.01 mAProp。Delay @ Nom-Sup:0.35 ns
传播延迟(tpd):0.35 ns认证状态:Not Qualified
座面最大高度:1.75 mm最大供电电压 (Vsup):3.6 V
最小供电电压 (Vsup):2.3 V标称供电电压 (Vsup):2.5 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子形式:GULL WING
端子节距:0.635 mm端子位置:DUAL
宽度:3.9 mmBase Number Matches:1

SN74CBTLV3257DBQ 数据手册

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SN74CBTLV3257  
LOW-VOLTAGE 4-BIT 1-OF-2 FET MULTIPLEXER/DEMULTIPLEXER  
SCDS040D – DECEMBER 1997 – REVISED NOVEMBER 1999  
D, DBQ, DGV, OR PW PACKAGE  
Functionally Equivalent to QS3257  
(TOP VIEW)  
5-Switch Connection Between Two Ports  
Isolation Under Power-Off Conditions  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
V
S
1B1  
1B2  
1A  
2B1  
2B2  
2A  
CC  
ESD Protection Exceeds JESD 22  
– 2000-V Human-Body Model (A114-A)  
– 200-V Machine Model (A115-A)  
OE  
4B1  
4B2  
4A  
3B1  
3B2  
3A  
Latch-Up Performance Exceeds 100 mA Per  
JESD 78, Class II  
Package Options Include Thin Very  
Small-Outline (DGV), Small-Outline (D),  
Shrink Small-Outline (DBQ), and Thin  
Shrink Small-Outline (PW) Packages  
GND  
description  
The SN74CBTLV3257 is a 4-bit 1-of-2 high-speed FET multiplexer/demultiplexer. The low on-state resistance  
of the switch allows connections to be made with minimal propagation delay.  
The select (S) input controls the data flow. The FET multiplexers/demultiplexers are disabled when the  
output-enable (OE) input is high.  
To ensure the high-impedance state during power up or power down, OE should be tied to V through a pullup  
CC  
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.  
The SN74CBTLV3257 is characterized for operation from –40°C to 85°C.  
FUNCTION TABLE  
INPUTS  
FUNCTION  
OE  
L
S
L
A port = B1 port  
A port = B2 port  
Disconnect  
L
H
X
H
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Copyright 1999, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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