Diodes 74AHCT1G14 User Manual
74AHCT1G14
SINGLE SCHMITT-TRIGGER INVERETER
Description
The 74AHCT1G14 is a single 1-input Schmitt-trigger inverter
gate with a standard push-pull output. The device is designed
for operation with a power supply range of 4.5V to 5.5V. The
gate performs the positive Boolean function:
AY =
Features
NEW PRODUCT
• Supply Voltage Range from 4.5V to 5.5V
• ± 8 mA Output Drive at 5.0V
• CMOS low power consumption
• Schmitt Trigger Action at All Inputs Make the Circuit
Tolerant for Slower Input Rise and Fall Time
• ESD Protection per JESD 22
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.
Pin Assignments
Applications
• General Purpose Logic
• Wide array of products such as
o PCs, networking, notebooks, netbooks, PDAs
o Computer peripherals, hard drives, CD/DVD ROM
o TV, DVD, DVR, set top box
o Cell Phones, Personal Navigation / GPS
o MP3 players ,Cameras, Video Recorders
NC
A
GND
(Top View)
1
2
SOT25 / SOT353
Vcc
5
Y
43
74AHCT1G14
Document number: DS35183 Rev. 1 - 2
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May 2011
© Diodes Incorporated
Pin Descriptions
Pin Name Pin NO. Description
NC 1 No Connection
A 2 Data Input
GND 3 Ground
Y 4 Data Output
VCC
Logic Diagram
5
Supply Voltage
74AHCT1G14
SINGLE SCHMITT-TRIGGER INVERETER
NEW PRODUCT
Function Table
Inputs Output
A Y
H L
L H
74AHCT1G14
Document number: DS35183 Rev. 1 - 2
2 of 8
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May 2011
© Diodes Incorporated
74AHCT1G14
SINGLE SCHMITT-TRIGGER INVERETER
Absolute Maximum Ratings (Note 2)
Symbol Description Rating Unit
ESD HBM Human Body Model ESD Protection 2 KV
ESD CDM Charged Device Model ESD Protection 1 KV
ESD MM Machine Model ESD Protection 200 V
VCC
VI
VO
IIK Input Clamp Current VI<0
IOK Output Clamp Current (VO < 0 or VO > VCC)
IO Continuo us output current (VO = 0 to VCC)
ICC Continuous current through VCC
I
GND
TJ
T
STG
Notes: 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.
NEW PRODUCT
Supply Voltage Range -0.5 to 6.5 V
Input Voltage Range -0.5 to 6.5 V
Voltage applied to output in high or low state
Continuous current through GND -50 mA
Operating Junction Temperature -40 to 150 °C
Storage Temperature -65 to 150 °C
-0.5 to VCC +0.5
-20 mA
±20 mA
±25 mA
50 mA
V
Recommended Operating Conditions (Note 3)
Symbol Parameter Min Max Unit
VCC
VI
VO
IOH
IOL
Δt/ΔV Input transition rise or fall rate 20 ns/V
TA
Notes: 3. Unused inputs should be held at VCC or Ground.
74AHCT1G14
Document number: DS35183 Rev. 1 - 2
Operating Voltage 4.5 5.5 V
Input Voltage 0 5.5 V
Output Voltage 0
High-level output current -8 mA
Low-level output current 8 mA
Operating free-air temperature -40 125 ºC
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VCC
© Diodes Incorporated
May 2011
V
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