Datasheet

UNISONIC TECHNOLOGIES CO., LTD
U74AHCT34
CMOS IC
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.
„
FEATURES
* Enhanced-Performance Implanted CMOS Process
* Inputs are TTL-Voltage compatible
* Package Options Include Plastic
„
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
U74AHCT34L-S14-R
U74AHCT34G-S14-R
www.unisonic.com.tw
Copyright © 2012 Unisonic Technologies Co., Ltd
Package
Packing
SOP-14
Tape Reel
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QW-R502-801.A
U74AHCT34
CMOS IC
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PIN CONFIGURATION
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FUNCTION TABLE (each gate)
INPUT
A
L
H
„
OUTPUT
Y
L
H
LOGIC DIAGRAM (positive logic)
IEC logic symbol
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U74AHCT34
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CMOS IC
ABSOLUTE MAXIMUM RATING (TA=25°C, unless otherwise specified)(Note 1)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
-0.5~7
V
Input Voltage
VIN
-0.5~7
V
Output Voltage(active mode)
VOUT
-0.5~VCC+0.5
V
Input Clamp Current(VI<0)
IIK
-20
mA
Output Clamp Current(VO<0)
IOK
±20
mA
Output Current
IOUT
±25
mA
VCC or GND Current
ICC
±50
mA
Storage Temperature
TSTG
-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.
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RECOMMENDED OPERATING COMDITIONS
PARAMETER
Supply Voltage
Input Voltage
Output Voltage
High-level Output Current
Low-level Output Current
Operating Temperature
„
SYMBOL
CONDITIONS
VCC
Operating
VIN
VOUT
IOH
VCC=4.5V
IOL
VCC=4.5V
TA
SYMBOL
VIH
VIL
High-Level Output Voltage
VOH
Low-Level Output Voltage
VOL
Input Leakage Current
Quiescent Supply Current
Additional Quiescent Supply
Current
Input Capacitance
II
ICC
ΔICC
CI
TEST CONDITIONS
VCC =4.5V
VCC =5.5V
VCC =4.5V
VCC =5.5V
VCC =4.5V, IOH=-50μA
VCC =4.5V, IOH=-8mA
VCC =4.5V, IOL=50μA
VCC =4.5V, IOL=8mA
VCC =0V ~ 5.5V, VI=VCC or GND
VCC = 5.5V, VI=5.5V or GND, IO=0
VCC = 5.5V, One input at 3.4V,
other inputs at VCC or GND
VCC =3.3V, VI=VCC or GND
MAX
5.5
5.5
VCC
-8
8
+85
UNIT
V
V
V
mA
mA
°C
TYP
MAX
UNIT
-40
MIN
2
2
V
0.8
0.8
4.4
3.94
V
V
4
0.1
0.36
±0.1
2
μA
μA
1.35
mA
10
pF
V
DYNAMIC CHARACTERISTICS (Input: tR, tF≤3ns; PRR≤1MHz)
See Fig. 1 and Fig. 2 for test circuit and waveforms.
PARAMETER
SYMBOL
TEST CONDITIONS
VCC=5V±0.5V, CL =15pF
Propagation delay from input
tPLH/tPHL
(A) to output(Y)
VCC=5V±0.5V, CL =50pF
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TYP
STATIC CHARACTERISTICS
PARAMETER
Positive-Going Input Threshold
Voltage
Negative-Going Input Threshold
Voltage
„
MIN
4.5
0
0
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, VCC=5V
UNISONIC TECHNOLOGIES CO., LTD
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MIN
TYP
14
MAX
UNIT
pF
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U74AHCT34
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CMOS IC
TEST CIRCUIT AND WAVEFORMS
Fig. 1 Load circuitry for switching times.
Note: CL 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.
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