UNISONIC TECHNOLOGIES CO., LTD
U74AHCT34
HEX BUFFER
DESCRIPTION
The
U74AHCT34
devices contain six independent buffer and
they perform function Y=A.
The
U74AHCT34
is characterized for operation from -40°C to
85°C.
CMOS IC
FEATURES
* Enhanced-Performance Implanted CMOS Process
* Inputs are TTL-Voltage compatible
* Package Options Include Plastic
ORDERING INFORMATION
Ordering Number
Lead Free
U74AHCT34L-S14-R
Halogen Free
U74AHCT34G-S14-R
Package
SOP-14
Packing
Tape Reel
www.unisonic.com.tw
Copyright © 2012 Unisonic Technologies Co., Ltd
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QW-R502-801.A
U74AHCT34
PIN CONFIGURATION
CMOS IC
FUNCTION TABLE
(each gate)
INPUT
A
L
H
OUTPUT
Y
L
H
LOGIC DIAGRAM
(positive logic)
IEC logic symbol
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U74AHCT34
ABSOLUTE MAXIMUM RATING
(T
A
=25°C, unless otherwise specified)(Note 1)
PARAMETER
CMOS IC
SYMBOL
RATINGS
UNIT
Supply Voltage
V
CC
-0.5~7
V
Input Voltage
V
IN
-0.5~7
V
Output Voltage(active mode)
V
OUT
-0.5~V
CC
+0.5
V
Input Clamp Current(V
I
<0)
I
IK
-20
mA
Output Clamp Current(V
O
<0)
I
OK
±20
mA
Output Current
I
OUT
±25
mA
V
CC
or GND Current
I
CC
±50
mA
Storage Temperature
T
STG
-65 ~ +150
°C
Note 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. 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 COMDITIONS
PARAMETER
Supply Voltage
Input Voltage
Output Voltage
High-level Output Current
Low-level Output Current
Operating Temperature
SYMBOL
CONDITIONS
V
CC
Operating
V
IN
V
OUT
I
OH
V
CC
=4.5V
I
OL
V
CC
=4.5V
T
A
MIN
4.5
0
0
TYP
MAX
5.5
5.5
V
CC
-8
8
+85
UNIT
V
V
V
mA
mA
°C
-40
STATIC CHARACTERISTICS
PARAMETER
Positive-Going Input Threshold
Voltage
Negative-Going Input Threshold
Voltage
High-Level Output Voltage
Low-Level Output Voltage
Input Leakage Current
Quiescent Supply Current
Additional Quiescent Supply
Current
Input Capacitance
SYMBOL
V
IH
V
IL
V
OH
V
OL
I
I
I
CC
ΔI
CC
C
I
TEST CONDITIONS
V
CC
=4.5V
V
CC
=5.5V
V
CC
=4.5V
V
CC
=5.5V
V
CC
=4.5V, I
OH
=-50μA
V
CC
=4.5V, I
OH
=-8mA
V
CC
=4.5V, I
OL
=50μA
V
CC
=4.5V, I
OL
=8mA
V
CC
=0V ~ 5.5V, V
I
=V
CC
or GND
V
CC
= 5.5V, V
I
=5.5V or GND, I
O
=0
V
CC
= 5.5V, One input at 3.4V,
other inputs at V
CC
or GND
V
CC
=3.3V, V
I
=V
CC
or GND
MIN
2
2
TYP
MAX
UNIT
V
0.8
0.8
4.4
3.94
0.1
0.36
±0.1
2
1.35
4
10
V
V
V
μA
μA
mA
pF
DYNAMIC CHARACTERISTICS
(Input: t
R
, t
F
≤3ns;
PRR≤1MHz)
See Fig. 1 and Fig. 2 for test circuit and waveforms.
PARAMETER
SYMBOL
TEST CONDITIONS
V
CC
=5V±0.5V, C
L
=15pF
Propagation delay from input
t
PLH
/t
PHL
(A) to output(Y)
V
CC
=5V±0.5V, C
L
=50pF
MIN
TYP
4.7
5.5
MAX
6.7
7.7
UNIT
ns
OPERATING CHARACTERISTICS
PARAMETER
Power Dissipation Capacitance
SYMBOL
TEST CONDITIONS
Cpd
No load, f=1MHz, V
CC
=5V
MIN
TYP
14
MAX
UNIT
pF
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QW-R502-801.A
U74AHCT34
TEST CIRCUIT AND WAVEFORMS
CMOS IC
Fig. 1 Load circuitry for switching times.
Note: C
L
includes probe and jig capacitance.
Fig. 2 Propagation delay from input(A) to output(Y) and Output transition time.
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.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R502-801.A
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