74AHCT1G32
SINGLE 2 INPUT POSITIVE OR GATE
Description
The 74AHCT1G32 is a single 2-input positive OR 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:
Pin Assignments
(Top View)
A
1
5 Vcc
Y
=
A
+
B
NEW PRODUCT
or
Y
=
A
•
B
B 2
GND 3
4 Y
SOT25 / SOT353
Features
•
•
•
•
•
Supply Voltage Range from 4.5V to 5.5V
± 8 mA Output Drive at 5.0 V
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
o
o
•
•
•
Exceeds 200-V Machine Model (A115-A)
Exceeds 2000-V Human Body Model (A114-A)
Exceeds 1000-V Charged Device Model (C101C)
Applications
•
•
General Purpose Logic
Wide array of products such as:
o
o
o
o
o
PCs, networking, notebooks, netbooks, PDAs
Computer peripherals, hard drives, CD/DVD ROM
TV, DVD, DVR, set top box
Phones, Personal Navigation / GPS
MP3 players ,Cameras, Video Recorders
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)
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.
Notes:
74AHCT1G32
Document number: DS35184 Rev. 1 - 2
1 of 8
www.diodes.com
May 2011
© Diodes Incorporated
74AHCT1G32
SINGLE 2 INPUT POSITIVE OR GATE
Pin Descriptions
Pin Name
A
B
GND
Y
V
CC
Pin No
1
2
3
4
5
Data Input
Data Input
Ground
Data Output
Supply Voltage
Description
NEW PRODUCT
Logic Diagram
1
A
B
2
4
Y
Function Table
Inputs
A
H
X
L
B
X
H
L
Output
Y
H
H
L
74AHCT1G32
Document number: DS35184 Rev. 1 - 2
2 of 8
www.diodes.com
May 2011
© Diodes Incorporated
74AHCT1G32
SINGLE 2 INPUT POSITIVE OR GATE
Absolute Maximum Ratings
(Note 2)
Symbol
ESD HBM
ESD CDM
ESD MM
V
CC
V
I
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 or low state
Input Clamp Current V
I
<0
Output Clamp Current (V
O
< 0 or V
O
> V
CC
)
Continuous output current (V
O
= 0 to V
CC
)
Continuous current through V
CC
Continuous current through GND
Operating Junction Temperature
Storage Temperature
Rating
2
1
200
-0.5 to 6.5
-0.5 to 6.5
-0.5 to V
CC
+0.5
-20
±20
±25
50
-50
-40 to 150
-65 to 150
Unit
KV
KV
V
V
V
V
mA
mA
mA
mA
mA
°C
°C
NEW PRODUCT
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
V
CC
V
IH
V
IL
V
I
V
O
I
OH
I
OL
Δt/ΔV
T
A
Notes:
Parameter
Operating Voltage
High-level Input Voltage
Low-level input voltage
Input Voltage
Output Voltage
High-level output current
Low-level output current
Input transition rise or fall
rate
Operating free-air
temperature
Min
4.5
2.0
Max
5.5
0.8
Unit
V
V
V
V
V
mA
mA
ns/V
ºC
0
0
5.5
V
CC
-8
8
20
-40
125
3. Unused inputs should be held at V
CC
or Ground.
74AHCT1G32
Document number: DS35184 Rev. 1 - 2
3 of 8
www.diodes.com
May 2011
© Diodes Incorporated
74AHCT1G32
SINGLE 2 INPUT POSITIVE OR GATE
Electrical Characteristics
Symbol
V
OH
V
OL
I
I
Parameter
Test Conditions
V
CC
4.5V
4.5V
4.5V
4.5V
0 to 5.5V
5.5V
5.5V
2.0
25ºC
Typ.
4.5
-40ºC to 85ºC
Min
Max
4.4
3.8
0
0.1
0.36
± 0.1
1
10
0.1
0.44
±1
10
10
-40ºC to 125ºC
Min
Max
4.4
3.70
0.1
0.55
±2
40
10
Unit
V
V
μA
μA
pF
I
OH
= -50μA
High Level
Output Voltage I
OH
= -8mA
I
OL
= 50μA
Low Level
Output Voltage I
OL
= 8mA
Input Current
Supply Current
V
I
= 5.5V or GND
V
I
= 5.5V or GND
I
O
=0
V
I
= V
CC
– or
Input
Capacitance
GND
One input at 3.4
Additional
V Other inputs at
Supply Current
V
CC
or GND
Thermal
SOT25
Resistance
Junction-to-
SOT353
Ambient
Thermal
SOT25
Resistance
Junction-to-
SOT353
Case
Min
4.4
3.94
Max
NEW PRODUCT
I
CC
C
i
ΔI
CC
5.5V
204
(Note 4)
371
52
(Note 4)
143
1.35
1.5
mA
θ
JA
o
C/W
θ
JC
Note:
o
C/W
4. Test conditions for SOT25, and SOT353: Device mounted on FR-4 substrate PC board, 2oz copper, with minimum recommended pad layout.
Switching Characteristics
V
CC
= 5V ± 0.5V
(see Figure 1)
Parameter
t
pd
From
(Input)
A or B
TO
(OUTPUT)
Y
C
L
=15pF
C
L
=50pF
Min
0.6
0.6
25ºC
Typ.
3.3
4.8
Max
6.9
7.9
-40ºC to 85ºC
Min
Max
0.6
0.6
8.0
9.0
-40ºC to 125ºC
Min
Max
0.6
0.6
9.0
10.0
Unit
ns
ns
Operating Characteristics
T
A
= 25 ºC
Parameter
C
pd
Power dissipation capacitance
Test
Conditions
f = 1 MHz
No Load
V
CC
= 5 V
Typ.
11.5
Unit
pF
74AHCT1G32
Document number: DS35184 Rev. 1 - 2
4 of 8
www.diodes.com
May 2011
© Diodes Incorporated
74AHCT1G32
SINGLE 2 INPUT POSITIVE OR GATE
Parameter Measurement Information
NEW PRODUCT
V
CC
5V±0.5V
5V±0.5V
Inputs
V
I
3V
3V
t
r
/t
f
≤3ns
≤3ns
V
M
1.5V
1.5V
C
L
15pF
50pF
Voltage Waveform Pulse Duration
Voltage Waveform Propagation Delay Times
Inverting and Non Inverting Outputs
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. t
PLH
and t
PHL
are the same as t
pd
.
74AHCT1G32
Document number: DS35184 Rev. 1 - 2
5 of 8
www.diodes.com
May 2011
© Diodes Incorporated
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