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SN54HC257FK PDF预览

SN54HC257FK

更新时间: 2024-11-24 23:03:03
品牌 Logo 应用领域
德州仪器 - TI 复用器输出元件
页数 文件大小 规格书
16页 476K
描述
QUAD 2-LINE TO 1-LINE DATA SE;ECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS

SN54HC257FK 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:QFN包装说明:QCCN, LCC20,.35SQ
针数:20Reach Compliance Code:not_compliant
HTS代码:8542.39.00.01风险等级:5.73
系列:HC/UHJESD-30 代码:S-CQCC-N20
长度:8.89 mm负载电容(CL):150 pF
逻辑集成电路类型:MULTIPLEXER最大I(ol):0.0078 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:2/6 VProp。Delay @ Nom-Sup:30 ns
传播延迟(tpd):245 ns认证状态:Not Qualified
座面最大高度:2.03 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):5 V表面贴装:YES
技术:CMOS温度等级:MILITARY
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

SN54HC257FK 数据手册

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ꢊ ꢋꢌꢍ ꢎꢋꢏ ꢐ ꢑ ꢆ ꢒꢐ ꢓꢁꢑ ꢔ ꢕ ꢖ ꢒꢐ ꢓꢁꢑ ꢍꢌꢔꢌ ꢀꢑ ꢐꢑ ꢅꢔꢕ ꢎꢀꢗ ꢘꢋ ꢐꢔ ꢓꢏ ꢐꢑ ꢙꢑ ꢎ  
SCLS224B − DECEMBER 1982 − REVISED SEPTEMBER 2003  
D
D
Wide Operating Voltage Range of 2 V to 6 V  
D
D
D
D
’HC258 . . . Typical t = 12 ns  
pd  
6-mA Output Drive at 5 V  
High-Current Inverting Outputs Drive Up To  
15 LSTTL Loads  
Low Input Current of 1 µA Max  
Provides Bus Interface from Multiple  
Sources in High-Performance Systems  
D
Low Power Consumption, 80-µA Max I  
CC  
D
’HC257 . . . Typical t = 9 ns  
pd  
SN54HC257, SN54HC258 . . . J PACKAGE  
SN54HC257, SN54HC258 . . . FK PACKAGE  
(TOP VIEW)  
SN74HC257, SN74HC258 . . . D, N, NS, OR PW PACKAGE  
(TOP VIEW)  
A/B  
1A  
V
CC  
G
1
2
3
4
5
6
7
8
16  
15  
14  
13  
3
2
1 20 19  
18  
4A  
4B  
NC  
4Y  
3A  
1B  
1Y  
NC  
2A  
2B  
4
5
6
7
8
1B  
4A  
4B  
17  
16  
15  
14  
1Y  
2A  
12 4Y  
11  
10  
9
2B  
3A  
3B  
3Y  
2Y  
9 10 11 12 13  
GND  
NC − No internal connection  
description/ordering information  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
PACKAGE  
T
A
MARKING  
SN74HC257N  
SN74HC258N  
SN74HC257N  
PDIP − N  
SOIC − D  
SOP − NS  
Tube of 25  
SN74HC258N  
Tube of 40  
Reel of 2500  
Reel of 250  
Tube of 40  
Reel of 2500  
SN74HC257D  
SN74HC257DR  
SN74HC257DT  
SN74HC258D  
HC257  
HC258  
SN74HC258DR  
SN74HC257NSR  
SN74HC258NSR  
SN74HC257PW  
SN74HC257PWR  
SN74HC257PWT  
SN74HC258PW  
SN74HC258PWR  
SN74HC258PWT  
SNJ54HC257J  
SNJ54HC258J  
SNJ54HC257FK  
HC257  
HC258  
−40°C to 85°C  
Reel of 2000  
Tube of 90  
Reel of 2000  
Reel of 250  
Tube of 90  
Reel of 2000  
Reel of 250  
HC257  
HC258  
TSSOP − PW  
SNJ54HC257J  
SNJ54HC258J  
SNJ54HC257FK  
CDIP − J  
Tube of 25  
Tube of 55  
−55°C to 125°C  
LCCC − FK  
SNJ54HC258FK  
SNJ54HC258FK  
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines  
are available at www.ti.com/sc/package.  
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 2003, Texas Instruments Incorporated  
ꢕ ꢝ ꢨ ꢠ ꢟꢫ ꢦꢥ ꢣꢤ ꢥꢟ ꢡꢨ ꢪꢜ ꢢꢝ ꢣ ꢣꢟ ꢘꢓ ꢐꢒ ꢏꢎ ꢲ ꢒꢛꢉꢂ ꢛꢂꢈ ꢢꢪꢪ ꢨꢢ ꢠ ꢢ ꢡꢧ ꢣꢧꢠ ꢤ ꢢ ꢠ ꢧ ꢣꢧ ꢤꢣꢧ ꢫ  
ꢠꢫ  
ꢣ ꢧ ꢤ ꢣꢜ ꢝꢱ ꢟꢞ ꢢ ꢪꢪ ꢨꢢ ꢠ ꢢ ꢡ ꢧ ꢣ ꢧ ꢠ ꢤ ꢬ  
ꢣꢰ  
ꢤꢜ  
ꢦ ꢝꢪ ꢧꢤꢤ ꢟ ꢣꢭꢧ ꢠ ꢯꢜ ꢤꢧ ꢝ ꢟꢣꢧ ꢫꢬ ꢕ ꢝ ꢢꢪ ꢪ ꢟ ꢣꢭꢧ ꢠ ꢨꢠ ꢟ ꢫꢦꢥ ꢣꢤ ꢈ ꢨꢠ ꢟ ꢫꢦꢥ ꢣꢜꢟ ꢝ  
ꢟꢥ  
ꢟꢧ  
ꢟꢣ  
ꢝꢥ  
ꢫꢧ  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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