74LVC1G126
SINGLE BUFFER GATE WITH 3-STATE OUTPUT
Description
The 74LVC1G126 is a single non-inverting buffer/bus driver with a
3-state output. The output enters a high impedance state when a
LOW-level is applied to the output enable (OE) pin. The device is
designed for operation with a power supply range of 1.65V to 5.5V.
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 I
OFF
. The I
OFF
circuitry disables the
output preventing damaging current backflow when the device is
powered down.
Pin Assignments
( Top View )
OE
1
A
2
5
Vcc
( Top View )
OE
1
A
2
GND
3
5
Vcc
4
Y
GND
3
SOT25 / SOT353
( Top View )
4
Y
SOT553
(Top View )
Features
Wide Supply Voltage Range from 1.65 to 5.5V
± 24mA Output Drive at 3.3V
CMOS Low Power Consumption
I
OFF
Supports Partial-Power-Down Mode Operation
Inputs Accept Up to 5.5V
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 100mA per JESD 78, Class I
Range of Package Options
Direct Interface with TTL Levels
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
OE
A
GND
1
2
3
6
5
4
Vcc
NC
Y
OE
A
GND
1
2
3
8
5
4
Vcc
NC
Y
X1-DFN1010-6
(Type B)
(Top View )
X2-DFN1410-6
( Bottom View )
GND
3
A
2
OE
1
OE
A
GND
Vcc
NC
3
4
Y
X2-DFN1010-6
1
2
6
5
4
Y
5
NC
6
Vcc
(Top View)
OE
1
3
GND
5
Vcc
X2-DFN1409-6
Chip Scale
Alternative
A
2
4
Y
X2-DFN0808-4
Packages not to scale
Applications
Voltage Level Shifting
General Purpose Logic
Power Down Signal Isolation
Wide Array of Products Such as.
PCs, Networking, Notebooks, Netbooks, PDAs
Tablet Computers, E-Readers
Computer Peripherals, Hard Drives, CD/DVD ROM
TV, DVD, DVR, Set Top Box
Cell Phones, Personal Navigation / GPS
MP3 Players, Cameras, Video Recorders
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.
74LVC1G126
Document number: DS32203 Rev. 10 - 2
1 of 16
www.diodes.com
April 2016
© Diodes Incorporated
74LVC1G126
Ordering Information
(Note 4)
74 LVC1G 126 XXX -7
Logic Device
74 : Logic Prefix
LVC : 1.65 to 5.5 V
Logic Family
1G : One Gate
126:
Function
3-State Buffer
OE active HIGH
Package
Packing
W5 : SOT25
-7 : 7” Tape & Reel
SE : SOT353
Z : SOT553
FS3 : X2-DFN0808-4
FW5 : X1-DFN1010-6 (Type B)
FW4 :X2-DFN1010-6
FX4 : X2- DFN1409-6
FZ4 : X2- DFN1410-6
Package
Size
3.0mm x 2.8mm x 1.2mm
0.95 mm lead pitch
2.0mm x 2.0mm x 1.1mm
0.65 mm lead pitch
1.6mm x 1.6 mm x 0.62mm
0.5 mm lead pitch
0.8mm x 0.8mm x 0.35mm
0.5 mm pad pitch (diamond)
1.0mm x 1.0mm x 0.5mm
0.35 mm pad pitch
1.0mm x 1.0mm x 0.4mm
0.35 mm pad pitch
1.4mm x 0.9mm x 0.4mm
0.5 mm pad pitch
1.4mm x 1.0mm x 0.4mm
0.5 mm pad pitch
7” Tape and Reel
Quantity
Part Number Suffix
3,000/Tape & Reel
3,000/Tape & Reel
4,000/Tape & Reel
5,000/Tape & Reel
5,000/Tape & Reel
5,000/Tape & Reel
5,000/Tape & Reel
5,000/Tape & Reel
-7
-7
-7
-7
-7
-7
-7
-7
Part Number
74LVC1G126W5-7
74LVC1G126SE-7
74LVC1G126Z-7
74LVC1G126FS3-7
74LVC1G126FW5-7
74LVC1G126FW4-7
74LVC1G126FX4-7
74LVC1G126FZ4-7
Notes:
Package
Code
W5
SE
Z
FS3
FW5
FW4
FX4
FZ4
Package
(Notes 5 & 6)
SOT25
SOT353
SOT553
X2-DFN0808-4
X1-DFN1010-6 (Type B)
X2-DFN1010-6
X2-DFN1409-6
(Chip scale alternative)
X2-DFN1410-6
4. For packaging details, go to our website at http://www.diodes.com/products/packages.html.
5. Pad layout as shown on Diodes Inc. suggested pad layout which can be found on our website at http://www.diodes.com/package-outlines.html.
6. The taping orientation is located on our website at http://www.diodes.com/datasheets/ap02007.pdf.
Pin Descriptions
Pin Name
OE
A
GND
Y
V
CC
NC
Description
Output Enable
Data Input
Ground
Data Output
Supply Voltage
No Connection
Logic Diagram
OE
1
A
2
4
Y
Function Table
Inputs
OE
H
H
A
H
L
Output
Y
H
L
74LVC1G126
Document number: DS32203 Rev. 10 - 2
2 of 16
www.diodes.com
April 2016
© Diodes Incorporated
74LVC1G126
Absolute Maximum Ratings
(Notes 7 & 8) (@T
A
= +25°C, unless otherwise specified.)
Symbol
ESD HBM
ESD CDM
ESD MM
V
CC
V
I
V
O
V
O
I
IK
I
OK
I
O
I
CC
, I
GND
T
J
T
STG
Notes:
Description
Human Body Model ESD Protection
Charged Device Model ESD Protection
Machine Model ESD Protection
Supply Voltage Range
Input Voltage Range
Voltage applied to output in high impedance or I
OFF
state
Voltage applied to output in high or low state
Input Clamp Current V
I
< 0
Output Clamp Current
Continuous output current
Continuous current through V
CC
or GND
Operating Junction Temperature
Storage Temperature
Rating
2
1
200
-0.5 to +6.5
-0.5 to +6.5
-0.5 to +6.5
-0.5 to V
CC
+0.5
-50
-50
±50
±100
-40 to +150
-65 to +150
Unit
kV
kV
V
V
V
V
V
mA
mA
mA
mA
°C
°C
7. Stresses beyond the absolute maximum may result in immediate failure or reduced reliability. These are stress values and device
operation should be within recommend values.
8. Forcing the maximum allowed voltage could cause a condition exceeding the maximum current or conversely forcing the maximum current could
cause a condition exceeding the maximum voltage. The ratings of both current and voltage must be maintained within the controlled range.
Recommended Operating Conditions
(Note 9) (@T
A
= +25°C, unless otherwise specified.)
Symbol
V
CC
Operating Voltage
Parameter
Operating
Data retention only
V
CC
= 1.65V to 1.95V
V
IH
High-Level Input Voltage
V
CC
= 2.3V to 2.7V
V
CC
= 3V to 3.6V
V
CC
= 4.5V to 5.5V
V
CC
= 1.65V to 1.95V
V
IL
Low-Level Input Voltage
V
CC
= 2.3V to 2.7V
V
CC
= 3V to 3.6V
V
CC
= 4.5V to 5.5V
V
I
V
O
Input Voltage
Output Voltage
V
CC
= 1.65V
V
CC
= 2.3V
I
OH
High-Level Output Current
Min
1.65
1.5
0.65 x V
CC
1.7
2
0.7 x V
CC
—
—
—
—
0
0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
-40
Max
5.5
15
—
—
—
—
0.35 x V
CC
0.7
0.8
0.3 x V
CC
5.5
V
CC
-4
-8
V
V
V
Unit
V
V
V
V
CC
= 2.7V
V
CC
= 3V
V
CC
= 4.5V
V
CC
= 1.65V
V
CC
= 2.3V
-12
-16
-24
-32
4
8
mA
I
OL
Low-Level Output Current
V
CC
= 2.7V
V
CC
= 3V
V
CC
= 4.5V
V
CC
= 1.8V ± 0.15V, 2.5V ± 0.2V
12
16
24
32
20
10
5
+125
mA
Δt/ΔV
T
A
Note:
Input transition Rise or Fall Rate V
CC
= 3.3V ± 0.3V
V
CC
= 5V ± 0.5V
Operating Free-Air Temperature —
ns/V
°C
9. Unused inputs should be held at V
CC
or Ground.
74LVC1G126
Document number: DS32203 Rev. 10 - 2
3 of 16
www.diodes.com
April 2016
© Diodes Incorporated
74LVC1G126
Electrical Characteristics
(All typical values are at V
CC
= 3.3V, T
A
= +25°C)
Symbol
Parameter
Test Conditions
I
OH
= -100μA
I
OH
= -4mA
V
OH
High Level
Output Voltage
I
OH
= -8mA
I
OH
= -12mA
I
OH
= -16mA
I
OH
= -24mA
I
OH
= -32mA
I
OL
= 100μA
I
OL
= 4mA
V
OL
Low Level
Output Voltage
I
OL
= 8mA
I
OL
= 12mA
I
OL
= 16mA
I
OL
= 24mA
I
OL
= 32mA
I
I
I
OFF
I
OZ
I
CC
ΔI
CC
C
i
Input Current
V
I
= 5.5V or GND
Power Down
Leakage
V
I
or V
O
= 5.5V
Current
Z State Leakage
V
O
=0 to 5.5V
Current
Supply Current
Additional
Supply Current
Input
Capacitance
V
I
= 5.5V or GND
I
O
=0
One input at V
CC
-0.6 V
Other inputs at V
CC
or
GND
V
I
= V
CC
– or GND
V
CC
1.65V to 5.5V
1.65V
2.3V
2.7V
3V
4.5V
1.65V to 5.5V
1.65V
2.3V
2.7V
3V
4.5V
0 to 5.5V
0V
3.6V
5.5V
-40°C to +85°C
Min
Typ
—
V
CC
-0.1
1.2
1.9
2.2
2.4
2.3
3.8
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
± 0.1
—
0.1
0.1
—
5
Max
—
—
—
—
—
—
—
0.1
0.45
0.3
0.4
0.4
0.55
0.55
±5
±10
10
10
-40°C to +125°C
Min
Max
—
V
CC
-0.1
0.95
1.7
1.9
2.2
2.0
3.4
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.1
0.7
0.45
0.6
0.6
0.8
.8
± 100
±200
20
200
μA
μA
μA
μA
μA
pF
V
V
Unit
3V to 5.5V
3.3V
500
—
5,000
—
Package Characteristics
(All typical values are at V
CC
= 3.3V, T
A
= +25°C)
Symbol
Parameter
Test Conditions
SOT25
SOT353
SOT553
X2-DFN0808-4
X1-DFN1010-6 (Type B)
X2-DFN1010-6
X2-DFN1409-6
X2-DFN1410-6
SOT25
SOT353
SOT553
X2-DFN0808-4
X1-DFN1010-6 (Type B)
X2-DFN1010-6
X2-DFN1409-6
X2-DFN1410-6
V
CC
Min
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Typ
204
371
231
400
435
445
470
460
52
143
105
225
250
250
275
265
Max
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Unit
θ
JA
Thermal Resistance
Junction-to-Ambient
(Note 10)
°C/W
θ
JC
Thermal Resistance
Junction-to-Case
(Note 10)
°C/W
Note:
10. Test condition for each of the 8 package types: Device mounted on FR-4 substrate PC board, 2oz copper, with minimum recommended pad layout.
74LVC1G126
Document number: DS32203 Rev. 10 - 2
4 of 16
www.diodes.com
April 2016
© Diodes Incorporated
74LVC1G126
Switching Characteristics
Figure 1 Typical Values at T
A
= +25°C and nominal voltages 1.8V, 2.5V, 2.7V, 3.3V, and 5.0V.
Parameter
From
Input
To
Output
V
CC
1.8V ± 0.15V
2.5V ± 0.2V
2.7V
3.3V ± 0.3V
5.0V ± 0.5V
1.8V ± 0.15V
2.5V ± 0.2V
2.7V
3.3V ± 0.3V
5.0V ± 0.5V
1.8V ± 0.15V
2.5V ± 0.2V
2.7V
3.3V ± 0.3V
5.0V ± 0.5V
T
A
= -40°C to +85°C
Min
1.0
0.5
0.5
0.5
0.5
1.0
0.5
0.5
0.5
0.5
1.0
0.5
0.5
0.5
0.5
Typ
3.0
2.1
2.3
2.0
1.7
3.2
2.2
2.4
2.1
1.6
4.3
2.7
3.4
3.0
2.2
Max
8.0
5.5
5.5
4.5
4.0
9.4
6.6
6.6
5.3
5.0
9.2
5.5
5.5
5.5
4.2
T
A
= -40°C to +125°C
Min
1.0
0.5
0.5
0.5
0.5
1.0
0.5
0.5
0.5
0.5
1.0
0.5
0.5
0.5
0.5
Max
10.5
7.0
7.5
6.0
5.5
12.0
8.5
8.5
7.0
6.5
12.0
7.0
7.0
7.0
5.5
Unit
t
pd
A
Y
ns
t
en
OE
Y
ns
t
dis
OE
Y
ns
Operating Characteristics
T
A
= +25°C
Parameter
Outputs
Enabled
Outputs
Disabled
Test
Conditions
V
CC
= 1.8V
Typ
19
f = 10 MHz
2
2
3
4
V
CC
= 2.5V
Typ
19
V
CC
= 3.3V
Typ
19
V
CC
= 5V
Typ
21
pF
Unit
C
pd
Power Dissipation
Capacitance
74LVC1G126
Document number: DS32203 Rev. 10 - 2
5 of 16
www.diodes.com
April 2016
© Diodes Incorporated
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