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| 型号： | 74FST3257DTR2 |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 通用总线功能 |
| 英文描述： | Quad 2:1 Multiplexer/ Demultiplexer Bus Switch |
| 中文描述： | CBT/FST/QS/5C/B SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16 |
| 封装： | LEAD FREE, TSSOP-16 |
| 文件页数： | 1/8页 |
| 文件大小： | 85K |
| 代理商： | 74FST3257DTR2 |
Semiconductor Components Industries, LLC, 2005
January, 2005 Rev. 2
1
Publication Order Number:
74FST3257/D
74FST3257
Quad 2:1 Multiplexer/
Demultiplexer Bus Switch
The ON Semiconductor 74FST3257 is a quad 2:1, high performance
multiplexer/demultiplexer bus switch. The device is CMOS TTL
compatible when operating between 4 and 5.5 Volts. The device
exhibits extremely low R
ON
and adds nearly zero propagation delay.
The device adds no noise or ground bounce to the system.
Features
R
ON
Less Than 0.25 nsMax Delay Through Switch
Nearly Zero Standby Current
No Circuit Bounce
Control Inputs are TTL/CMOS Compatible
PinForPin Compatible With QS3257, FST3257, CBT3257
All Popular Packages: QSOP16, TSSOP16, SOIC16
All Devices in Package TSSOP are Inherently PbFree*
4 Typical
1A
2B
1
2A
2B
2
1B
2
S
V
CC
OE
4B
1
4B
2
4A
3B
1
GND
3A
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Figure 1. 16Lead Pinout
Figure 2. Truth Table
1B
1
3B
2
X
L
H
S
Function
H
L
L
OE
Disconnect
A = B
1
A = B
2
*For additional information on our PbFree strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
A
L, WL
Y
W, WW = Work Week
= Assembly Location
= Wafer Lot
= Year
TSSOP16
DT SUFFIX
CASE 948F
16
1
QSOP16
QS SUFFIX
CASE 492
SOIC16
D SUFFIX
CASE 751B
16
1
1
16
FST3257
AWLYWW
MARKING
DIAGRAMS
16
1
16
1
1
16
FST
3257
ALYW
S3257
ALYW
Description
Bus Switch Enables
PIN NAMES
OE
1
, OE
2
S
0
, S
1
Pin
Select Inputs
A
Bus A
B
1
, B
2
, B
3
, B
4
Bus B
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
ORDERING INFORMATION
http://onsemi.com
相关PDF资料 |
PDF描述 |
|---|---|
| 74FST3257QS | Quad 2:1 Multiplexer/ Demultiplexer Bus Switch |
| 74FST3257QSR | Quad 2:1 Multiplexer/ Demultiplexer Bus Switch |
| 74FST3251 | Circular Connector; MIL SPEC:MIL-C-5015 A/B/C; Body Material:Aluminum Alloy; Series:97-3106A; No. of Contacts:5; Connector Shell Size:18; Connecting Termination:Solder; Circular Shell Style:Straight Plug; Body Style:Straight RoHS Compliant: No |
| 74FST3251D | 8:1 Multiplexer/Demultiplexer Bus Switch |
| 74FST3251DR2 | 8:1 Multiplexer/Demultiplexer Bus Switch |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 74FST3257DTR2G | 功能描述:编码器、解码器、复用器和解复用器 LOG QUAD 2:1 MULT RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量（输入/输出）:2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray |
| 74FST3257MNTWG | 功能描述:编码器、解码器、复用器和解复用器 BUS SWITCH RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量（输入/输出）:2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray |
| 74FST3257Q | 制造商:Rochester Electronics LLC 功能描述:OCTAL BUS ECHANGE BU - Bulk |
| 74FST3257QS | 制造商:ON Semiconductor 功能描述:Multiplexer/Demultiplexer Bus Switch 1-Element CMOS 8-IN 16-Pin QSOP 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 74FST3257QSR | 功能描述:IC MUX/DEMUX QUAD 2:1 16QSOP RoHS:否 类别:集成电路 (IC) >> 逻辑 - 信号开关，多路复用器，解码器 系列:74FST 标准包装:2,000 系列:74CB 类型:FET 总线开关 电路:8 x 1:1 独立电路:1 输出电流高，低:15mA，30mA 电压电源:单电源 电源电压:2.3 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:20-TFSOP（0.173"，4.40mm 宽） 供应商设备封装:20-TVSOP 包装:带卷 (TR) 产品目录页面:951 (CN2011-ZH PDF) 其它名称:296-19129-2 |
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