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부품번호 | U74LVC244 기능 |
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기능 | OCTAL BUFFER/DRIVER | ||
제조업체 | Unisonic Technologies | ||
로고 | |||
UNISONIC TECHNOLOGIES CO., LTD
U74LVC244
OCTAL BUFFER/DRIVER WITH
3-STATE OUTPUTS
DESCRIPTION
The UTC U74LVC244 contains two 4-bit line drivers with
separate output-enable ( OE ) inputs. When OE is low, the
device passes data from the A to the Y. When OE is high, the
outputs are in the high-impedance state.
The UTC U74LVC244 can be used in a mixed 3.3V/5V system
environment.
FEATURES
* Operate From 1.65V to 3.6V
* Input Accept Voltages to 5.5V
* Partial-Power-Down Mode Operation
* Max tpd is 5.9ns at 3.3V
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
U74LVC244L-S20-R
U74LVC244G-S20-R
U74LVC244L-P20-R
U74LVC244G-P20-R www.DataSheet.net/
Package
SOP-20
TSSOP-20
CMOS IC
Packing
Tape Reel
Tape Reel
www.unisonic.com.tw
Copyright © 2011 Unisonic Technologies Co., Ltd
1 of 6
QW-R502-245.C
Datasheet pdf - http://www.DataSheet4U.co.kr/
U74LVC244
CMOS IC
ELECTRICAL CHARACTERISTICS
PARAMETER
High-Level Output Voltage
Low-Level Output Voltage
Input Leakage Current
Power OFF Leakage Current
Output OFF-State Current
Quiescent Supply Current
Additional Quiescent Supply
Current
Input Capacitance
Output Capacitance
SYMBOL
VOH
VOL
II(LEAK)
IOFF
IOZ
IQ
ΔIQ
CI
CO
TEST CONDITIONS
MIN
VCC=1.65V to 3.6V, IOH=-100uA
VCC-0.2
VCC=1.65V, IOH=-4mA
1.29
VCC=2.3V, IOH=-8mA
VCC=2.7V, IOH=-12mA
1.9
2.2
VCC=3V, IOH=-12mA
2.4
VCC=3V, IOH=-24mA
VCC=1.65V to 3.6V, IOH=100uA
2.3
VCC= 1.65V, IOH=4mA
VCC=2.3V, IOH=8mA
VCC=2.7V, IOH=12mA
VCC=3V, IOH=24mA
VCC=3.6V, VIN=5.5 V or GND
VCC=0V, VIN or VOUT=5.5V
VCC=3.6V, VOUT=0 or GND
VCC=3.6V ,VIN=VCC or GND, IOUT=0
VCC=3.6V ,3.6V≦VIN≦5.5V, IOUT=0
VCC=2.7V to 3.6V, One input at
VCC-0.6V,Other inputs at VCC or GND
VCC=3.3V, VIN=VCC or GND
VCC=3.3V, VOUT=VCC or GND
TYP
4
5.5
SWITCHING CHARACTERISTICS
PARAMETER
From Input(A) to Output(Y)
From Input(OE ) to Output(Y)
From Input(OE ) to Output(Y)
SYMBOL
tpd
ten
tdis
TEST CONDITIONS
VCC=1.5V
V =1.8V±0.15VCC
www.DataSheet.net/
VCC=2.5V±0.2V
VCC=2.7V
VCC=3.3V±0.3V
VCC=1.5V
VCC=1.8V±0.15V
VCC=2.5V±0.2V
VCC=2.7V
VCC=3.3V±0.3V
VCC=1.5V
VCC=1.8V±0.15 V
VCC=2.5V±0.2V
VCC=2.7V
VCC=3.3V±0.3V
MIN TYP
17
1 5.9
1 4.2
1 4.2
1.5 3.9
1 8.3
1 6.4
1 4.6
15
1.5 4.5
1 7.2
1 5.8
1 3.7
1 3.8
1.5 3.8
OPERATING CHARACTERISTICS
PARAMETER
Power Dissipation Capacitance
SYMBOL
Cpd
TEST CONDITIONS
OE=0, f=10MHz, VCC=1.8V
OE=0, f=10MHz, VCC=2.5V
OE=0, f=10MHz, VCC=3.3V
OE=1, f=10MHz, VCC=1.8V
OE=1, f=10MHz, VCC=2.5V
OE=1, f=10MHz, VCC=3.3V
MIN TYP
43
43
44
1
1
2
MAX UNIT
V
0.1
0.24
0.3 V
0.4
0.55
±1 uA
±1 uA
±1 uA
1
1
uA
500 uA
pF
pF
MAX
14.4
10.4
7.4
6.7
5.7
17.8
12.1
9.1
8.4
7.4
15.6
11.6
7.3
6.6
6.3
UNIT
ns
ns
ns
MAX UNIT
pF
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 6
QW-R502-245.C
Datasheet pdf - http://www.DataSheet4U.co.kr/
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부품번호 | 상세설명 및 기능 | 제조사 |
U74LVC240 | OCTAL BUFFER/DRIVER | Unisonic Technologies |
U74LVC244 | OCTAL BUFFER/DRIVER | Unisonic Technologies |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |