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U74AHC245G-P20-R 数据表(PDF) 4 Page - Unisonic Technologies

部件名 U74AHC245G-P20-R
功能描述  OCTAL BUS TRANSCEIVERS
PDF  5 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

U74AHC245G-P20-R 数据表(HTML) 4 Page - Unisonic Technologies

  U74AHC245G-P20-R Datasheet HTML 1Page - Unisonic Technologies U74AHC245G-P20-R Datasheet HTML 2Page - Unisonic Technologies U74AHC245G-P20-R Datasheet HTML 3Page - Unisonic Technologies U74AHC245G-P20-R Datasheet HTML 4Page - Unisonic Technologies U74AHC245G-P20-R Datasheet HTML 5Page - Unisonic Technologies  
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U74AHC245
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
4 of 5
www.unisonic.com.tw
QW-R502-987.B
ELECTRICAL CHARACTERISTICS (TA=25°С, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX UNIT
HIGH-level input voltage
VIH
VCC=2V
1.5
V
VCC=3V
2.1
VCC=5.5V
3.85
LOW-lever output voltage
VIL
VCC=2V
0.5
V
VCC=3V
0.9
VCC=5.5V
1.65
High-Level Output Voltage
VOH
VCC=2V, IOH=-50μA
1.9
2
V
VCC=3V, IOH=-50μA
2.9
3
VCC=4.5V, IOH=-50μA
4.4
4.5
VCC=3V, IOH=-4mA
2.58
VCC=4.5V, IOH=-8mA
3.94
Low-Level Output Voltage
VOL
VCC=2V, IOL=50μA
0.1
V
VCC=3V, IOL=50μA
0.1
VCC=4.5V, IOL=50μA
0.1
VCC=3V, IOL=4mA
0.36
VCC=4.5V, IOL=8mA
0.36
Input Leakage Current
A or B inputs
II(LEAK)
VCC=5.5V, VIN=VCC or GND
±0.1
μA
OE or DIR
VCC=0 to 5.5V, VIN=VCC or GND
Output OFF-state current
IOZ
VCC=5.5V, VOUT=VCC or GND
±0.25
μA
Quiescent Supply Current
IQ
VCC=5.5V, VIN=VCC or GND, IOUT=0
4
μA
Input Capacitance( OE or DIR)
CI
VCC=5V, VIN=VCC or GND
2.5
10
pF
Input Capacitance(A or B inputs)
CIO
VCC=5V, VIN=VCC or GND
4
pF
SWITCHING CHARACTERISTICS (RL=1kΩ, TA=25°С, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Propagation delay from input
(A or B) to output (B or A)
tpd
(tPLH/tPHL)
VCC=3.3V±0.3V, CL=15pF
5.8
8.4
ns
VCC=3.3V±0.3V, CL=50pF
8.3
11.9
VCC=5V±0.5V, CL=15pF
4
5.5
VCC=5V±0.5V, CL=50pF
5.5
7.5
3-state output enable time from input
( OE ) to output (A or B)
ten
(tPZL/tPZH)
VCC=3.3V±0.3V, CL=15pF
8.5
13.2
ns
VCC=3.3V±0.3V, CL=50pF
11
16.7
VCC=5V±0.5V, CL=15pF
5.8
8.5
VCC=5V±0.5V, CL=50pF
7.3
10.6
3-state output disable time from
input ( OE ) to output (A or B)
tdis
(tPLZ/tPHZ)
VCC=3.3V±0.3V, CL=15pF
8.9
12.5
ns
VCC=3.3V±0.3V, CL=50pF
11.5 15.8
VCC=5V±0.5V, CL=15pF
5.6
7.8
VCC=5V±0.5V, CL=50pF
7
9.7
OPERATING CHARACTERISTICS(VCC=5V, TA=25°С, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Power Dissipation Capacitance
CPD
No load, f=1MHz
14
pF



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