Diodes 74AHCT1G08 User Manual
74AHCT1G08
A
A
SINGLE 2 INPUT POSITIVE AND GATE
Description
The 74AHCT1G08 is a single 2-input positive AND gate with
a standard totem pole 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:
Y •= or B
B
Y +=
Features
• Supply Voltage Range from 4.5V to 5.5V
NEW PRODUCT
• ± 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 Phones, Personal Navigation / GPS
o MP3 players ,Cameras, Video Recorders
A
B
GND
(Top View)
1
2
SOT25 / SOT353
Vcc
5
Y
43
74AHCT1G08
Document number: DS35182 Rev. 1 - 2
1 of 8
www.diodes.com
May 2011
© Diodes Incorporated
Pin Descriptions
Pin Name Pin No. Description
GND 3 Ground
VCC
Logic Diagram
NEW PRODUCT
A 1 Data Input
B 2 Data Input
Y 4 Data Output
A
B
5
1
2
Supply Voltage
4
Y
74AHCT1G08
SINGLE 2 INPUT POSITIVE AND GATE
Function Table
Inputs Output
A B Y
H H H
L X L
X L L
74AHCT1G08
Document number: DS35182 Rev. 1 - 2
2 of 8
www.diodes.com
May 2011
© Diodes Incorporated
74AHCT1G08
SINGLE 2 INPUT POSITIVE AND GATE
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 Continuous 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
V
VIL
VI
VO
IOH
IOL
Δt/ΔV
TA
Notes: 3. Unused inputs should be held at VCC or Ground.
Operating Voltage
High-level Input Voltage
IH
Low-level input voltage
Input Voltage 0 5.5 V
Output Voltage 0
High-level output current
Low-level output current
Input transition rise or fall
rate
Operating free-air
temperature
4.5 5.5 V
2.0 V
0.8 V
VCC
-8 mA
8 mA
20 ns/V
-40 125 ºC
V
74AHCT1G08
Document number: DS35182 Rev. 1 - 2
3 of 8
www.diodes.com
May 2011
© Diodes Incorporated
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