參數(shù)資料
型號(hào)： 74FST3257QS
廠商： ON SEMICONDUCTOR
元件分類(lèi)： 通用總線功能
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
封裝： QSOP-16
文件頁(yè)數(shù)： 1/8頁(yè)
文件大?。?/td> 85K
代理商： 74FST3257QS
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
相關(guān)PDF資料
PDF描述
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
74FST3251DT 8:1 Multiplexer/Demultiplexer Bus Switch
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74FST3257QSR 功能描述:IC MUX/DEMUX QUAD 2:1 16QSOP RoHS:否 類(lèi)別:集成電路 (IC) >> 邏輯 - 信號(hào)開(kāi)關(guān)，多路復(fù)用器，解碼器 系列:74FST 標(biāo)準(zhǔn)包裝:2,000 系列:74CB 類(lèi)型:FET 總線開(kāi)關(guān) 電路:8 x 1:1 獨(dú)立電路:1 輸出電流高，低:15mA，30mA 電壓電源:單電源 電源電壓:2.3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:20-TFSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TVSOP 包裝:帶卷 (TR) 產(chǎn)品目錄頁(yè)面:951 (CN2011-ZH PDF) 其它名稱:296-19129-2
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