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74FST3345DWR2 Datasheet

  • 74FST3345DWR2

  • 8-Bit Bus Switch

  • 6頁(yè)

  • ONSEMI

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74FST3345
8鈭払it Bus Switch
The ON Semiconductor 74FST3345 is an 8鈭抌it, high performance
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.
The device consists of an 8鈭抌it switch with two Output/Enable pins
(OE and OE).
Features
20
20
1
SOIC鈭?0
DW SUFFIX
CASE 751D
1
20
20
1
V
CC
OE
B
0
B
1
B
2
B
3
B
4
B
5
B
6
B
7
TSSOP鈭?0
DT SUFFIX
CASE 948E
1
20
FST3345
AWLYWW
1
FST
3345
ALYW
FST3345
AWLYYWW
http://onsemi.com
MARKING
DIAGRAMS
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
R
ON
t
4
W
Typical
Less Than 0.25 ns鈭扢ax Delay Through Switch
Nearly Zero Standby Current
No Circuit Bounce
Control Inputs are TTL/CMOS Compatible
Pin鈭扚or鈭扨in Compatible with QS3345, FST3345, CBT3345
All Popular Packages: QSOP鈭?0, TSSOP鈭?0, SOIC鈭?0
All Devices in Package TSSOP are Inherently Pb鈭扚ree*
OE
A
0
A
1
A
2
A
3
A
4
A
5
A
6
A
7
GND
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
20
1
QSOP鈭?0
QS SUFFIX
CASE 492A
B
0
Figure 1. 20鈭扡ead Pinout
A
0
2
18
A
L, WL
Y
W, WW
=
=
=
=
Assembly Location
Wafer Lot
Year
Work Week
A
7
OE
OE
9
11
B
7
1
19
PIN NAMES
Pin
OE
1
, OE
2
Description
Bus Switch Enables
Bus A
Bus B
Figure 2. Logic Diagram
TRUTH TABLE
Inputs
OE
X
H
L
OE
L
X
H
Connect
Connect
Disconnect
Function
1A, 2A
1B, 2B
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 3 of this data sheet.
*For additional information on our Pb鈭扚ree strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
漏
Semiconductor Components Industries, LLC, 2005
1
January, 2005 鈭?Rev. 1
Publication Order Number:
74FST3345/D

74FST3345DWR2 產(chǎn)品屬性

  • 2,500

  • 集成電路 (IC)

  • 邏輯 - 信號(hào)開(kāi)關(guān)，多路復(fù)用器，解碼器

  • 74FST

  • 總線開(kāi)關(guān)

  • 8 x 1:1

  • 1

  • 15mA，64mA

  • 單電源

  • 4 V ~ 5.5 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 20-SOIC（0.295"，7.50mm 寬）

  • 20-SOIC

  • 帶卷 (TR)

  • 74FST3345DWR2OS

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