74LVC241A
OCTAL BUFFER/LINE DRIVER WITH 3 STATE OUTPUTS
Description Pin Assignments
The 74LVC241A provides two 4-bit buffers/drivers with separate
(Top View )
( Top Transparent View)
output-enable (1OE and 2OE) inputs. When 1OE is low or 2OE is
terminal 1
1 20 Vcc
1OE index area
high, the device passes noninverted data from the A inputs to the
2 19
1A1 2OE
Y outputs. When 1OE is high or 2OE is low, the outputs for the
19
1A1 2 2OE
3 18
2Y4 1Y1
respective buffers/drivers are in the high-impedance state.
18
2Y4 3 1Y1
4 17
1A2 2A4
4 17
1A2 2A4
The device is designed for operation with a power supply range of 5 16
2Y3 1Y2 5 16
2Y3 1Y2
6 15
1.65V to 3.6V. 6 15 1A3 2A3
1A3 2A3
2Y2 7 14
1Y3
7 14 1Y3
2Y2
1A4 8 13 2A2
The inputs are tolerant to 5.5V allowing this device to be used in a
1A4 8 13 2A2
2Y1 9 12 1Y4
mixed voltage environment. The device is fully specified for partial
2Y1 9 12 1Y4
power down applications using I . The I circuitry disables the
OFF OFF
GND 10 11 2A1
output preventing damaging current backflow when the device is
QFN-20
TSSOP-20
powered down.
Applications
Features
General Purpose Logic
Supply Voltage Range from 1.65V to 3.6V
Bus Driving
Sinks or Sources 24mA at V = 3V
CC
Power Down Signal Isolation
CMOS Low Power Consumption
Wide array of products such as:
I Supports Partial -Power Down Operation
OFF
PCs, Notebooks, Netbooks, Ultrabooks
Inputs or Outputs Accept up to 5.5V
Networking Computer Peripherals, Hard Drives, CD/DVD
Inputs Can Be Driven by 3.3V or 5V Allowing for Mixed Voltage
ROM
Applications
TV, DVD, DVR, Set Top Box
Schmitt Trigger Action at All Inputs
Typical V (Quiet Output Ground Bounce) Less than 0.8V with
OLP
V = 3.3V and T = +25C
CC A
Typical V (Quiet Output Dynamic VOH) Greater than 2.0V
OHV
with V = 3.3V and T = +25C
CC A
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)
Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See
74LVC241A
Ordering Information
74 LVC 241A xxx -13
Logic Device Function Package Packing
74 : Logic Prefix 241 : Octal T20 : TSSOP-20 -13 : 13 Tape & Reel
Buffer/Line
Q20 : QFN-20
Driver with 3
State Outputs
Package Package 13 Tape and Reel
Package
Part Number
Code
(Note 4 & 5) Size
Quantity Part Number Suffix
6.4mm X 6.5mm X 1.2mm
74LVC241AT20-13 T20 TSSOP-20 2500/Tape & Reel -13
0.65 mm lead pitch
2.5mm X 4.5mm X 0.95mm
74LVC241AQ20-13 Q20 V-QFN4525-20 2500/Tape & Reel -13
0.50 mm lead pitch
Notes: 4. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at