Datasheet

UNISONIC TECHNOLOGIES CO., LTD
U74AHCT1G32
CMOS IC
SINGLE 2-INPUT POSITIVE-OR
GATE

DESCRIPTION
The UTC U74AHCT1G32 is a single 2-input positive-or gate,
which provides the function Y=A+B in positive logic.

FEATURES
* Inputs are TTL voltage compatible
* Operate from 4.5V to 5.5V
* Max tPD of 8ns @ 5 V
* Low power dissipation: ICC=10μA(Max) @ TA=25°C

ORDERING INFORMATION
Ordering Number
U74AHCT1G32G-AF5-R
U74AHCT1G32G-AL5-R

Package
SOT-25
SOT-353
Packing
Tape Reel
Tape Reel
MARKING
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PIN CONFIGURATION

FUNCTION TABLE
INPUT(A)
INPUT(B)
H
X
X
H
L
L
Note: H: high voltage level; L: low voltage level.

CMOS IC
OUTPUT(Y)
H
H
L
LOGIC DIAGRAM
Logic symbol
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
CMOS IC
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
-0.5 ~ 7
V
Input Voltage
VIN
-0.5 ~ 7
V
Output Voltage
VOUT
-0.5 ~ VCC +0.5
V
VCC or GND Current
ICC
±50
mA
Output Current
IOUT
±25
mA
Input Clamp Current
IIK
-20
mA
Output Clamp Current
IOK
±20
mA
Operating Temperature
TOPR
-40 ~ +85
°С
Storage Temperature
TSTG
-65 ~ +150
°С
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.

RECOMMENDED OPERATING CONDITIONS
PARAMETER
Supply Voltage
Input Voltage
Output Voltage
High-level Input Voltage
Low-level Input Voltage
High-level Output Current
Low-level Output Current
Input Transition Rise or Fall Rate

SYMBOL
VCC
VIN
VOUT
VIH
VIL
IOH
IOL
tR, tF
SYMBOL
High-Level Output Voltage
VOH
Low-Level Output Voltage
VOL
Input Leakage Current
Quiescent Supply Current
II(LEAK)
IQ
Additional Quiescent Supply Current
IQ
Input Capacitance
CI
TYP
MAX
5.5
5.5
VCC
0.8
-8
8
20
UNIT
V
V
V
V
V
mA
mA
ns/V
TEST CONDITIONS
VCC=4.5V, IOH=-50μA
VCC=4.5V, IOH=-8mA
VCC=4.5V, IOH=50μA
VCC=4.5V, IOH=8mA
VCC=0~5.5V, VIN=5.5V or GND
VCC=5.5V, VIN=VCC or GND,
IOUT=0
VCC=5.5V, One input at 3.4V,
Other inputs at VCC or GND
VCC=4.5V, VIN=VCC or GND
MIN
4.4
3.94
TYP
4.5
MAX
UNIT
V
0.1
0.36
±0.1
μA
1
μA
1.35
mA
2
10
pF
TYP
5
5
5.5
5.5
MAX
6.9
6.9
7.9
7.9
UNIT
TYP
11.5
MAX
UNIT
pF
V
DYNAMIC CHARACTERISTICS
PARAMETER
Propagation Delay Time Input(A or B)
to Output(Y)

MIN
4.5
0
0
2
ELECTRICAL CHARACTERISTICS
PARAMETER

TEST CONDITIONS
SYMBOL
TEST CONDITIONS
tPLH
VCC=5V±0.5V, CL=15pF
tPHL
tPLH
VCC=5V±0.5V, CL=50pF
tPHL
MIN
ns
OPERATING CHARACTERISTICS (TA=25°С, unless otherwise specified)
PARAMETER
Power Dissipation Capacitance
SYMBOL
TEST CONDITIONS
CPD
VCC=5V, f=1MHz, No load
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CMOS IC
TEST CIRCUIT AND WAVEFORMS
Note: CL includes probe and jig capacitance.
PRR≦1MHz, ZO=50Ω, tR≦3ns, tF≦3ns
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
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