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74FST3345 반도체 회로 부품 판매점

8-Bit Bus Switch



ON Semiconductor 로고
ON Semiconductor
74FST3345 데이터시트, 핀배열, 회로
www.DataSheet4U.com
74FST3345
8−Bit Bus Switch
The ON Semiconductor 74FST3345 is an 8bit, high performance
switch. The device is CMOS TTL compatible when operating between
4 and 5.5 Volts. The device exhibits extremely low RON and adds
nearly zero propagation delay. The device adds no noise or ground
bounce to the system.
The device consists of an 8bit switch with two Output/Enable pins
(OE and OE).
Features
RON t 4 W Typical
Less Than 0.25 nsMax Delay Through Switch
Nearly Zero Standby Current
No Circuit Bounce
Control Inputs are TTL/CMOS Compatible
PinForPin Compatible with QS3345, FST3345, CBT3345
All Popular Packages: QSOP20, TSSOP20, SOIC20
All Devices in Package TSSOP are Inherently PbFree*
OE
A0
A1
A2
A3
A4
A5
A6
A7
GND
1
2
3
4
5
6
7
8
9
10
20 VCC
19 OE
18 B0
17 B1
16 B2
15 B3
14 B4
13 B5
12 B6
11 B7
Figure 1. 20Lead Pinout
A0 2
18 B0
A7 9
11 B7
OE 1
OE 19
Figure 2. Logic Diagram
TRUTH TABLE
Inputs
OE OE
XL
HX
LH
Function
Connect
Connect
Disconnect
*For additional information on our PbFree strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2006
June, 2006 Rev. 2
1
http://onsemi.com
20
1
SOIC20
DW SUFFIX
CASE 751D
MARKING
DIAGRAMS
20
FST3345
AWLYYWW
1
20
1
TSSOP20
DT SUFFIX
CASE 948E
20
1
QSOP20
QS SUFFIX
CASE 492A
20
FST
3345
ALYW
1
20
FST3345
AWLYWW
1
A
L, WL
Y
W, WW
=
=
=
=
Assembly Location
Wafer Lot
Year
Work Week
PIN NAMES
Pin
OE1, OE2
1A, 2A
1B, 2B
Description
Bus Switch Enables
Bus A
Bus B
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 3 of this data sheet.
Publication Order Number:
74FST3345/D


74FST3345 데이터시트, 핀배열, 회로
74FST3345
MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC
VI
VO
IIK
IOK
IO
ICC
IGND
TSTG
TL
TJ
qJA
DC Supply Voltage
DC Input Voltage
DC Output Voltage
DC Input Diode Current
DC Output Diode Current
DC Output Sink Current
DC Supply Current per Supply Pin
DC Ground Current per Ground Pin
Storage Temperature Range
Lead Temperature, 1 mm from Case for 10 Seconds
Junction Temperature Under Bias
Thermal Resistance (Note 1)
VI t GND
VO t GND
SOIC
TSSOP
QSOP
*0.5 to )7.0
*0.5 to )7.0
*0.5 to )7.0
*50
*50
128
$100
$100
*65 to )150
260
)150
96
128
200
V
V
V
mA
mA
mA
mA
mA
_C
_C
_C
_C/W
MSL
Moisture Sensitivity
Level 1
FR
VESD
Flammability Rating
ESD Withstand Voltage
Oxygen Index: 28 to 34
Human Body Model (Note 2)
Machine Model (Note 3)
UL 94 V0 @ 0.125 in
u2000
u200
V
ILatchup Latchup Performance
Above VCC and Below GND at 85_C (Note 4)
$500
mA
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. Measured with minimum pad spacing on an FR4 board, using 10 mmby1 inch, 2ounce copper trace with no air flow.
2. Tested to EIA/JESD22A114A.
3. Tested to EIA/JESD22A115A.
4. Tested to EIA/JESD78.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min Max
VCC
VI
VO
TA
Dt/DV
Supply Voltage
Input Voltage
Output Voltage
Operating FreeAir Temperature
Input Transition Rise or Fall Rate
Operating, Data Retention Only
(Note )
(HIGH or LOW State)
Switch Control Input
Switch I/O
4.0
0
0
*40
0
0
5.5
5.5
VCC
)85
5
DC
5. Unused control inputs may not be left open. All control inputs must be tied to a high or low logic input voltage level.
Unit
V
V
V
_C
ns/V
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8-Bit Bus Switch - ON Semiconductor