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U74AC244G-P20-R 数据表(PDF) 4 Page - Unisonic Technologies

部件名 U74AC244G-P20-R
功能描述  The U74AC244 is designed to improve the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters.
PDF  6 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

U74AC244G-P20-R 数据表(HTML) 4 Page - Unisonic Technologies

  U74AC244G-P20-R Datasheet HTML 1Page - Unisonic Technologies U74AC244G-P20-R Datasheet HTML 2Page - Unisonic Technologies U74AC244G-P20-R Datasheet HTML 3Page - Unisonic Technologies U74AC244G-P20-R Datasheet HTML 4Page - Unisonic Technologies U74AC244G-P20-R Datasheet HTML 5Page - Unisonic Technologies U74AC244G-P20-R Datasheet HTML 6Page - Unisonic Technologies  
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U74AC244
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
4 of 6
www.unisonic.com.tw
QW-R502-784.A
ELECTRICAL CHARACTERISTICS (TA =25°C , unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
IOH = -50 μA, VCC = 3V
2.9
IOH = -50 μA, VCC = 4.5V
4.4
IOH = -50 μA, VCC = 5.5V
5.4
IOH = -12 mA, VCC = 3V
2.56
IOH = -24 mA, VCC = 4.5V
3.86
High-Level Output Voltage
VOH
IOH = -24 mA, VCC = 5.5V
4.86
V
IOL = 50 μA, VCC = 3V
0.1
IOL = 50 μA, VCC = 4.5V
0.1
IOL = 50 μA, VCC = 5.5V
0.1
IOL = 12 mA, VCC = 3V
0.36
IOL = 24 mA, VCC = 4.5V
0.36
Low-Level Output Voltage
VOL
IOL = 24 mA, VCC = 5.5V
0.36
V
Input Leakage Current
(A or OE inputs)
II(LEAK)
VIN = VCC or GND, VCC = 5.5V
±0.1
μA
High-impedance state Current
IOZ
VO = VCC or GND, VCC = 5.5V
VI(OE) = VIL or VIH
±0.25 μA
Quiescent Supply Current
ICC
VIN = VCC or GND, IOUT = 0, VCC = 5.5V
4
μA
Input Capacitance
CIN
VIN = VCC or GND, VCC=5V
2.5
pF
SWITCHING CHARACTERISTICS
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP MAX UNIT
VCC=3.3±0.3V, CL=50pF, RL=500Ω
2
6.5
9
tPLH
VCC=5±0.5V, CL=50pF, RL=500Ω
1.5
5
7
ns
VCC=3.3±0.3V, CL=50pF, RL=500Ω
2
6.5
9
Propagation delay from input A to
output Y, tpd
tPHL
VCC=5±0.5V, CL=50pF, RL=500Ω
1.5
5
7
ns
VCC=3.3±0.3V, CL=50pF, RL=500Ω
2
6
10.5
tPZH
VCC=5±0.5V, CL=50pF, RL=500Ω
1.5
5
7
ns
VCC=3.3±0.3V, CL=50pF, RL=500Ω
2.5
7.5
10
Propagation delay from input OE to
output Y, ten
tPZL
VCC=5±0.5V, CL=50pF, RL=500Ω
1.5
5.5
8
ns
VCC=3.3±0.3V, CL=50pF, RL=500Ω
3
7
10
tPHZ
VCC=5±0.5V, CL=50pF, RL=500Ω
2.5
6.5
9
ns
VCC=3.3±0.3V, CL=50pF, RL=500Ω
2.5
7.5
10.5
Propagation delay from input OE to
output Y, tdis
tPLZ
VCC=5±0.5V, CL=50pF, RL=500Ω
2
6.5
9
ns
OPERATING CHARACTERISTICS
PARAMETER
SYMBOL
TEST CONDITIONS
TYP UNIT
Power dissipation capacitance per
buffer/driver
Cpd
VCC = 5V, f=1MHz, CL=50pF
45
pF



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