74LVC241A 반도체 회로 부품 판매점
OCTAL BUFFER/LINE DRIVER
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 Diodes |
74LVC241A
OCTAL BUFFER/LINE DRIVER WITH 3 STATE OUTPUTS
Description
The 74LVC241A provides two 4-bit buffers/drivers with separate
output-enable (1OE and 2OE) inputs. When 1OE is low or 2OE is
high, the device passes noninverted data from the A inputs to the
Y outputs. When 1OE is high or 2OE is low, the outputs for the
respective buffers/drivers are in the high-impedance state.
The device is designed for operation with a power supply range of
1.65V to 3.6V.
The inputs are tolerant to 5.5V allowing this device to be used in a
mixed voltage environment. The device is fully specified for partial
power down applications using IOFF. The IOFF circuitry disables the
output preventing damaging current backflow when the device is
powered down.
Features
• Supply Voltage Range from 1.65V to 3.6V
• Sinks or Sources 24mA at VCC = 3V
• CMOS Low Power Consumption
• IOFF Supports Partial -Power Down Operation
• Inputs or Outputs Accept up to 5.5V
• Inputs Can Be Driven by 3.3V or 5V Allowing for Mixed Voltage
Applications
• Schmitt Trigger Action at All Inputs
• Typical VOLP (Quiet Output Ground Bounce) Less than 0.8V with
VCC = 3.3V and TA = +25°C
• Typical VOHV (Quiet Output Dynamic VOH) Greater than 2.0V
with VCC = 3.3V and TA = +25°C
• ESD Protection Tested per JESD 22
Exceeds 200-V Machine Model (A115)
Exceeds 2000-V Human Body Model (A114)
Exceeds 1000-V Charged Device Model (C101)
• Latch-Up Exceeds 250mA per JESD 78, Class I
• All devices are:
Totally Lead-Free & Fully RoHS compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Pin Assignments
1OE
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
( Top View )
1 20
2 19
3 18
4 17
5 16
6 15
7 14
8 13
9 12
10 11
TSSOP-20
Vcc
2OE
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
( Top Transparent View)
terminal 1
index area
1A1 2
2Y4 3
1A2 4
2Y3 5
1A3 6
2Y2 7
1A4 8
2Y1 9
19 2OE
18 1Y1
17 2A4
16 1Y2
15 2A3
14 1Y3
13 2A2
12 1Y4
QFN-20
Applications
• General Purpose Logic
• Bus Driving
• Power Down Signal Isolation
• Wide array of products such as:
PCs, Notebooks, Netbooks, Ultrabooks
Networking Computer Peripherals, Hard Drives, CD/DVD
ROM
TV, DVD, DVR, Set Top Box
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen and Antimony free,
"Green" and Lead-Free.
3. Halogen and Antimony free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
74LVC241A
Document number: DS35887 Rev. 1 - 2
1 of 10
www.diodes.com
July 2014
© Diodes Incorporated
74LVC241A
Ordering Information
74 LVC 241A xxx -13
Logic Device
74 : Logic Prefix
241 :
Function
Octal
Buffer/Line
Driver with 3
State Outputs
Package
T20 : TSSOP-20
Q20 : QFN-20
Packing
-13 : 13” Tape & Reel
Part Number
74LVC241AT20-13
74LVC241AQ20-13
Package
Code
T20
Q20
Package
(Note 4 & 5)
TSSOP-20
V-QFN4525-20
Package
Size
6.4mm X 6.5mm X 1.2mm
0.65 mm lead pitch
2.5mm X 4.5mm X 0.95mm
0.50 mm lead pitch
13” Tape and Reel
Quantity
Part Number Suffix
2500/Tape & Reel
-13
2500/Tape & Reel
-13
Notes:
4. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf.
5. V-QFN4525-20 is a JEDEC recognized naming convention that specifies the package thickness category as V and the number 4525 describes the
package as 4.5mm X 2.5mm.
Pin Descriptions
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Pin Name
1OE
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
2A1
1Y4
2A2
1Y3
2A3
1Y2
2A4
1Y1
2OE
Vcc
Description
Output Enable 1
Data Input
Data Output
Data Input
Data Output
Data Input
Data Output
Data Input
Data Output
Ground
Data Input
Data Output
Data Input
Data Output
Data Input
Data Output
Data Input
Data Output
Output Enable 2
Supply Voltage
Logic Diagram
1OE 1
2OE 19
1A1 2
18 1Y1
2A1 11
1A2 4
16 1Y2
2A2 13
1A3 6
14 1Y3
2A3 15
1A4 8
12 1Y4
2A4 17
Function Table
INPUTS
1OE
1An
LL
LH
HX
INPUTS
2OE
2An
HL
HH
LX
OUTPUTS
1Yn
L
H
Z
OUTPUTS
2Yn
L
H
Z
9 2Y1
7 2Y2
5 2Y3
3 2Y4
74LVC241A
Document number: DS35887 Rev. 1 - 2
2 of 10
www.diodes.com
July 2014
© Diodes Incorporated
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74LVC241A driver
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