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CY74FCT257CTDE4

更新时间： 2024-11-25 05:28:31
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德州仪器 - TI 复用器输出元件输入元件
页数 文件大小 规格书
12页 330K
描述
QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

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CY74FCT257CTDE4 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SOP, SOP16,.25
针数：16Reach Compliance Code：unknown
HTS代码：8542.39.00.01风险等级：5.64
系列：FCTJESD-30 代码：R-PDSO-G16
长度：9.9 mm负载电容（CL）：50 pF
逻辑集成电路类型：MULTIPLEXER最大I（ol）：0.064 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：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：SOP
封装等效代码：SOP16,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE包装方法：TUBE
峰值回流温度（摄氏度）：NOT SPECIFIED电源：5 V
Prop。Delay @ Nom-Sup：4.3 ns传播延迟（tpd）：4.3 ns
认证状态：Not Qualified座面最大高度：1.75 mm
子类别：Multiplexer/Demultiplexers最大供电电压 (Vsup)：5.25 V
最小供电电压 (Vsup)：4.75 V标称供电电压 (Vsup)：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：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.9 mm
Base Number Matches：1

CY74FCT257CTDE4 数据手册

 浏览型号CY74FCT257CTDE4的Datasheet PDF文件第2页浏览型号CY74FCT257CTDE4的Datasheet PDF文件第3页浏览型号CY74FCT257CTDE4的Datasheet PDF文件第4页浏览型号CY74FCT257CTDE4的Datasheet PDF文件第5页浏览型号CY74FCT257CTDE4的Datasheet PDF文件第6页浏览型号CY74FCT257CTDE4的Datasheet PDF文件第7页 
CY74FCT257T  
QUAD 2-INPUT MULTIPLEXER  
WITH 3-STATE OUTPUTS  
SCCS019D – MAY 1994 – REVISED NOVEMBER 2001  
Q OR SO PACKAGE  
(TOP VIEW)  
Function, Pinout, and Drive Compatible  
With FCT and F Logic  
Reduced V  
Equivalent FCT Functions  
(Typically = 3.3 V) Version of  
OH  
S
V
CC  
OE  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
I
I
0a  
1a  
Edge-Rate Control Circuitry for  
Significantly Improved Noise  
Characteristics  
I
0c  
Y
I
a
1c  
I
Y
0b  
c
I
Supports Partial-Power-Down Mode  
I
I
I
1b  
0d  
off  
Operation  
Y
b
1d  
GND  
Y
d
Matched Rise and Fall Times  
Fully Compatible With TTL Input and  
Output Logic Levels  
ESD Protection Exceeds JESD 22  
– 2000-V Human-Body Model (A114-A)  
– 200-V Machine Model (A115-A)  
– 1000-V Charged-Device Model (C101)  
64-mA Output Sink Current  
32-mA Output Source Current  
3-State Outputs  
description  
The CY74FCT257T has four identical two-input multiplexers that select four bits of data from two sources under  
the control of a common data-select (S) input. The I inputs are selected when S is low, and the I inputs are  
0
1
selected when S is high. Data at the output is noninverted.  
TheCY74FCT257Tisalogicimplementationofafour-pole, two-positionswitch, wherethepositionoftheswitch  
is determined by the logic levels at S. Outputs are in the high-impedance state when the output-enable (OE)  
input is high.  
All but one device must be in the high-impedance state to avoid currents exceeding the maximum ratings if  
outputs are tied together. OE inputs must ensure that there is no overlap when outputs of 3-state devices are  
tied together.  
This device is fully specified for partial-power-down applications using I . The I circuitry disables the outputs,  
off  
off  
preventing damaging current backflow through the device when it is powered down.  
PIN DESCRIPTION  
NAME  
DESCRIPTION  
Data inputs  
I
S
Common data-select input  
Output-enable input (active low)  
Data outputs  
OE  
Y
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 2001, 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  
1234567...12

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CY74FCT257CTDE4 替代型号

型号 品牌 替代类型 描述 数据表
CY74FCT257CTD TI

完全替代

 QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

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