Datasheet

UNISONIC TECHNOLOGIES CO., LTD
U74LVC2G34
CMOS IC
DUAL BUFFER GATE
„
DESCRIPTION
The U74LVC2G34 is a dual buffer, it provides the function Y = A.
This device has power-down protective circuit, preventing device
destruction when it is powered down.
„
FEATURES
* Operate From 1.65V to 5.5V
* Inputs Accept Voltages to 5.5V
* IOFF Supports Partial-Power-Down Mode
* Low Power Dissipation
* Max tPD of 4.1 ns at 3.3V
„
ORDERING INFORMATION
Ordering Number
U74LVC2G34G-AL6-R
„
Package
SOT-363
Packing
Tape Reel
MARKING
www.unisonic.com.tw
Copyright © 2010 Unisonic Technologies Co., Ltd
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U74LVC2G34
„
PIN CONFIGURATION
„
FUNCTION TABLE
CMOS IC
INPUT(nA)
OUTPUT(nY)
H
H
L
L
Note: H: HIGH voltage level; L: LOW voltage level.
„
LOGIC DIAGRAM (Positive Logic)
1 1A
1Y
6
3
2Y
4
2A
1
3
Logic Symbol
UNISONIC TECHNOLOGIES CO., LTD
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1
6
1
4
IEC Logic Symbol
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U74LVC2G34
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CMOS IC
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
VCC
VIN
RATINGS
-0.5 ~ +6.5
-0.5 ~ +6.5
Active mode
-0.5 ~ VCC+0.5
Output Voltage
VOUT
Power-down mode
-0.5 ~ +6.5
VCC or GND Current
ICC
±100
Continuous Output Current (VOUT=0 to VCC)
IOUT
± 50
Input Clamp Current (VIN<0)
IIK
- 50
Output Clamp Current (VOUT<0 or VOUT>VCC)
IOK
± 50
Power Dissipation (TA=-40°C to +125°C)
PD
300
Storage Temperature Range
TSTG
-65 ~ +150
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.
Supply Voltage
Input Voltage
„
RECOMMENDED OPERATING CONDITIONS
PARAMETER
Supply Voltage
Input Voltage
SYMBOL
VCC
VIN
Output Voltage
VOUT
Operating Temperature
TA
Input Rise or Fall Times
tR / tF
„
UNIT
V
V
V
V
mA
mA
mA
mA
mW
°C
TEST CONDITIONS
Operating
Active mode
VCC=0V, Power-down mode
VCC=1.65V ~ 2.7V
VCC=2.7V ~ 5. 5V
MIN
1.65
0
0
0
-40
0
0
TYP
MAX
5.5
5.5
VCC
5.5
125
20
10
UNIT
V
V
V
V
°C
ns/V
ns/V
TYP
MAX
0.1
0.45
0.3
0.4
0.55
0.55
±5
±10
UNIT
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
μA
μA
10
μA
500
μA
ELECTRICAL CHARACTERISTICS (TA =25°C , unless otherwise specified)
PARAMETER
SYMBOL
High-Level Input Voltage
Low-Level Input Voltage
High-Level Output Voltage
Low-Level Output Voltage
Input Leakage Current
Power OFF Leakage Current
Quiescent Supply Current
VIH
VIL
VOH
VOL
II(LEAK)
IOFF
IQ
Additional Quiescent Supply
Current Per Input Pin
ΔIQ
Input Capacitance
CIN
TEST CONDITIONS
VCC=1.65V ~ 1.95V
VCC=2.3V ~ 2.7V
VCC=3V ~ 3.6V
VCC=4.5V ~ 5.5V
VCC=1.65V ~ 1.95V
VCC=2.3V ~ 2.7V
VCC=3V ~ 3.6V
VCC=4.5V ~ 5.5V
IOH=-100μA VCC=1.65 ~ 5.5V
IOH=-4mA
VCC=1.65V
IOH=-8mA
VCC=2.3V
IOH=-12mA
VCC=2.7V
IOH=-24mA
VCC=3.0V
IOH=-32mA
VCC=4.5V
IOL=100μA
VCC=1.65 ~ 5.5V
IOL=4mA
VCC=1.65V
IOL=8mA
VCC=2.3V
IOL=12mA
VCC=2.7V
IOL=24mA
VCC=3.0V
IOL=32mA
VCC=4.5V
VIN=5.5V or GND, VCC=5.5V
VIN or VOUT=5.5V, VCC=0V
VIN=5.5V or GND, IOUT=0
VCC=5.5V
VCC=2.3 ~ 5.5V, IOUT=0
One input at VCC-0.6V, Other
inputs at VCC or GND
UNISONIC TECHNOLOGIES CO., LTD
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MIN
0.65*VCC
1.7
2
0.7*VCC
0.35*VCC
0.7
0.8
0.3*VCC
VCC-0.1
1.2
1.9
2.2
2.3
3.8
2.5
pF
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SWITCHING CHARACTERISTICS (TA=25°С)
PARAMETER
Propagation delay from input
(nA) to output(nY)
„
CMOS IC
SYMBOL
tPLH / tPHL
TEST CONDITIONS
VCC=1.65V~1.95V, RL=1KΩ
CL=30pF
VCC=2.3V~2.7V, RL=500Ω
VCC=2.7V, RL=500Ω
VCC=3.0V~3.6V, RL=500Ω CL=50pF
VCC=4.5V~5.5V, RL=500Ω
MIN
1.0
0.5
0.5
0.5
0.5
TYP
3.8
2.4
2.5
2.2
1.9
MAX
8.6
4.4
5.0
4.1
3.2
UNIT
ns
ns
ns
ns
ns
MIN
TYP
20
MAX
UNIT
pF
OPERATING CHARACTERISTICS (TA=25°С)
PARAMETER
Power Dissipation Capacitance
SYMBOL
CPD
TEST CONDITIONS
VCC=3.3V, VIN=GND to VCC
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U74LVC2G34
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CMOS IC
TEST CIRCUIT AND WAVEFORMS
From Output
CL
RL
INPUTS
VCC
1.65V ~ 1.95V
2.3V ~ 2.7V
2.7V
3.0V ~ 3.6V
4.5V ~ 5.5V
VIN
VCC
tR, tF
≤2ns
VCC
2.7V
2.7V
VCC
≤2ns
≤2.5ns
≤2.5ns
≤2.5ns
VM
CL
RL
VCC/2
VCC/2
1.5V
1.5V
VCC/2
30pF
30pF
50pF
50pF
50pF
1KΩ
500Ω
500Ω
500Ω
500Ω
Note: CL includes probe and jig capacitance.
All input pulses are supplied by generators having the following characteristics: PRR ≤10MHz, Zo = 50Ω.
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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