74AHCT1G125

74AHCT1G125
SINGLE BUFFER GATE WITH 3-STATE OUTPUT
Description
Pin Assignments
The 74AHCT1G125 is a single non-inverting buffer/bus driver
(Top View)
with a 3-state output. The output enters a high impedance
state when a HIGH-level is applied to the output enable (OE)
pin.
5 Vcc
OE 1
The device is designed for operation with a power
supply range of 4.5V to 5.5V.
NEW PRODUCT
A 2
4 Y
GND 3
SOT25 / SOT353
Features
Applications
•
Supply Voltage Range from 4.5V to 5.5V
•
•
± 8 mA Output Drive at 5.0V
•
•
CMOS low power consumption
o
PCs, networking, notebooks, netbooks, PDAs
•
•
General Purpose Logic
Wide array of products such as:
Schmitt Trigger Action at All Inputs Make the Circuit
o
Computer peripherals, hard drives, CD/DVD ROM
Tolerant for Slower Input Rise and Fall Time.
o
TV, DVD, DVR, set top box
ESD Protection per JESD 22
o
Phones, Personal Navigation / GPS
o
MP3 players ,Cameras, Video Recorders
o
Exceeds 200-V Machine Model (A115-A)
o
Exceeds 2000-V Human Body Model (A114-A)
o
Exceeds 1000-V Charged Device Model (C101C)
•
Latch-Up Exceeds 100mA per JESD 78, Class II
•
SOT25 and SOT353: Assembled with “Green” Molding
Compound (no Br, Sb)
•
Lead Free Finish / RoHS Compliant (Note 1)
Notes:
1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html.
74AHCT1G125
Document number: DS35186Rev. 1 - 2
1 of 9
www.diodes.com
May 2011
© Diodes Incorporated
74AHCT1G125
SINGLE BUFFER GATE WITH 3-STATE OUTPUT
NEW PRODUCT
Pin Descriptions
Pin Name
Pin No.
Description
OE
1
Output Enable
A
GND
Y
2
3
4
Data Input
Ground
Data Output
VCC
5
Supply Voltage
Logic Diagram
OE
1
2
A
4
Y
Function Table
Inputs
Output
OE
A
Y
L
L
H
H
L
X
H
L
Z
74AHCT1G125
Document number: DS35186Rev. 1 - 2
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74AHCT1G125
SINGLE BUFFER GATE WITH 3-STATE OUTPUT
Absolute Maximum Ratings (Note 2)
Symbol
ESD HBM
ESD CDM
ESD MM
NEW PRODUCT
VCC
Human Body Model ESD Protection
Charged Device Model ESD Protection
Machine Model ESD Protection
Supply Voltage Range
VI
Input Voltage Range
VO
Voltage applied to output in high or low state
Rating
Unit
2
1
200
KV
KV
V
-0.5 to 6.5
V
-0.5 to 6.5
V
-0.5 to VCC +0.5
V
IIK
Input Clamp Current VI<0
-20
mA
IOK
Output Clamp Current (VO < 0 or VO > VCC)
±20
mA
±25
mA
50
mA
IO
Continuous output current (VO = 0 to VCC)
ICC
Continuous current through VCC
IGND
Continuous current through GND
-50
mA
TJ
Operating Junction Temperature
-40 to 150
°C
Storage Temperature
-65 to 150
°C
TSTG
Notes:
Description
2. 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.
Recommended Operating Conditions (Note 3)
Symbol
Min
Max
Unit
VCC
Operating Voltage
Parameter
4.5
5.5
V
VIH
High-level Input Voltage
2.0
VIL
Low-level input voltage
V
0.8
V
VI
Input Voltage
0
5.5
V
VO
Output Voltage
0
VCC
V
IOH
High-level output current
-8
mA
IOL
Low-level output current
8
mA
Δt/ΔV
Input transition rise or fall
rate
20
ns/V
125
ºC
TA
Notes:
Operating free-air
temperature
-40
3. Unused inputs should be held at VCC or Ground.
74AHCT1G125
Document number: DS35186Rev. 1 - 2
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74AHCT1G125
SINGLE BUFFER GATE WITH 3-STATE OUTPUT
Electrical Characteristics
Symbol
Test Conditions
VCC
4.5V
VOH
IOH = -50μA
High Level
Output Voltage IOH = -8mA
Min
4.4
4.5V
3.94
VOL
IOL = 50μA
Low Level
Output Voltage IOL = 8mA
4.5V
II
NEW PRODUCT
Parameter
Input Current
VI = 5.5V or GND
IOZ
Z State
Leakage
Current
VO =0 to 5.5V
ICC
Supply Current
Ci
ΔICC
θJA
θJC
Note:
VI = 5.5V or GND
IO=0
VI = VCC – or
Input
Capacitance
GND
One input at 3.4
Additional
V Other inputs at
Supply Current
VCC or GND
Thermal
SOT25
Resistance
Junction-toSOT353
Ambient
Thermal
SOT25
Resistance
Junction-toSOT353
Case
25ºC
Typ.
4.5
Max
-40ºC to 85ºC
Min
Max
4.4
3.8
0
-40ºC to 125ºC
Min
Max
4.4
Unit
V
3.70
0.1
0.1
0.1
4.5V
0.36
0.44
0.55
0 to 5.5V
±0.1
±1
±2
μA
5.5V
0.25
2.5
10
μA
5.5V
1
10
40
μA
10
10
10
pF
1.35
1.5
5.5V
2.0
5.5V
204
(Note 4)
V
mA
o
C/W
o
C/W
371
52
(Note 4)
143
4. Test conditions for SOT25, and SOT353: Device mounted on FR-4 substrate PC board, 2oz copper, with minimum recommended pad layout.
74AHCT1G125
Document number: DS35186Rev. 1 - 2
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© Diodes Incorporated
74AHCT1G125
SINGLE BUFFER GATE WITH 3-STATE OUTPUT
Switching Characteristics
NEW PRODUCT
VCC = 5V ± 0.5V (see Figure 1)
Parameter
From
(Input)
TO
(OUTPUT)
tpd
A
Y
ten
tdis
OE
OE
Y
Y
Min
25ºC
Typ.
Max
-40ºC to 85ºC
Min
Max
-40ºC to 125ºC
Min
Max
CL=15pF
0.6
3.4
5.5
0.6
6.5
0.6
7.0
ns
Unit
CL=50pF
0.6
4.7
7.5
0.6
8.5
0.6
9.5
ns
CL=15pF
0.6
3.6
5.6
0.6
6.3
0.6
7.0
ns
CL=50pF
0.6
5.4
8.0
0.6
9.0
0.6
9.5
ns
CL=15pF
0.6
4.3
6.8
0.6
8.0
0.6
8.5
ns
CL=50pF
0.6
6.1
8.8
0.6
10.0
0.6
11.0
ns
Operating Characteristics
TA = 25 ºC
Parameter
Cpd
Power dissipation capacitance
74AHCT1G125
Document number: DS35186Rev. 1 - 2
Test
Conditions
f = 1 MHz
No Load
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VCC = 5 V
Typ.
14
Unit
pF
May 2011
© Diodes Incorporated
74AHCT1G125
SINGLE BUFFER GATE WITH 3-STATE OUTPUT
Parameter Measurement Information
NEW PRODUCT
TEST
Vcc
Inputs
S1
tPLH/tPHL
Open
tPLZ/tPZL
Vload
tPHZ/tPZH
GND
VM
CL
V∆
≤3ns
VCC/2
15pF
0.3V
≤3ns
VCC/2
50pF
0.3V
VI
tr/tf
5V±0.5V
VCC
5V±0.5V
VCC
Voltage Waveform Pulse Duration
Voltage Waveform Enable and Disable Times
Low and High Level Enabling
Voltage Waveform Propagation Delay Times
Inverting and Non Inverting Outputs
Figure 1. Load Circuit and Voltage Waveforms
Notes:
A. Includes test lead and test apparatus capacitance.
B. All pulses are supplied at pulse repetition rate ≤ 1 MHz.
C. Inputs are measured separately one transition per measurement.
D. tPLZ and tPHZ are the same as tdis.
E. tPZL and tPZH are the same as tEN.
F. tPLH and tPHL are the same as tPD.
74AHCT1G125
Document number: DS35186Rev. 1 - 2
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74AHCT1G125
SINGLE BUFFER GATE WITH 3-STATE OUTPUT
7” Tape and Reel
Part Number Suffix
Device
Package
Code
Packaging
(Note 5)
Quantity
74AHCT1G125W5-7
74AHCT1G125SE-7
W5
SE
SOT25
SOT353
3000/Tape & Reel
3000/Tape & Reel
Notes:
-7
-7
5. 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.
Marking Information
(Top View)
5
4
7
NEW PRODUCT
Ordering Information
XX Y W X
1
2
3
XX : Identification code
Y : Year 0~9
W : Week : A~Z : 1~26 week;
a~z : 27~52 week; z represents
52 and 53 week
X : A~Z : Internal code
Part Number
Package
Identification Code
74AHCT1G125W5
74AHCT1G125SE
SOT25
SOT353
ZY
ZY
74AHCT1G125
Document number: DS35186Rev. 1 - 2
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74AHCT1G125
SINGLE BUFFER GATE WITH 3-STATE OUTPUT
Package Outline Dimensions (All Dimensions in mm)
(1) Package Type: SOT25
A
SOT25
Dim Min Max Typ
A
0.35 0.50 0.38
B
1.50 1.70 1.60
C
2.70 3.00 2.80
D
⎯
⎯ 0.95
H
2.90 3.10 3.00
J
0.013 0.10 0.05
K
1.00 1.30 1.10
L
0.35 0.55 0.40
M
0.10 0.20 0.15
N
0.70 0.80 0.75
0°
8°
α
⎯
All Dimensions in mm
NEW PRODUCT
B C
H
K
M
N
J
L
D
(2) Package Type: SOT353
A
B C
H
K
J
M
D
F
74AHCT1G125
Document number: DS35186Rev. 1 - 2
SOT353
Dim
Min
Max
A
0.10
0.30
B
1.15
1.35
C
2.00
2.20
D
0.65 Typ
F
0.40
0.45
H
1.80
2.20
J
0
0.10
K
0.90
1.00
L
0.25
0.40
M
0.10
0.22
0°
8°
α
All Dimensions in mm
L
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© Diodes Incorporated
74AHCT1G125
SINGLE BUFFER GATE WITH 3-STATE OUTPUT
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS
DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
NEW PRODUCT
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other
changes without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability
arising out of the application or use of this document or any product described herein; neither does Diodes Incorporated convey any
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herein in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies
whose products are represented on Diodes Incorporated website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized
sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall
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LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without
the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided
in the labeling can be reasonably expected to result in significant injury to the user.
B.
A critical component is any component in a life support device or system whose failure to perform can be reasonably expected
to cause the failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or
systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements
concerning their products and any use of Diodes Incorporated products in such safety-critical, life support devices or systems,
notwithstanding any devices- or systems-related information or support that may be provided by Diodes Incorporated. Further,
Customers must fully indemnify Diodes Incorporated and its representatives against any damages arising out of the use of Diodes
Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2011, Diodes Incorporated
www.diodes.com
74AHCT1G125
Document number: DS35186Rev. 1 - 2
9 of 9
www.diodes.com
May 2011
© Diodes Incorporated
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