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U74AHC640L-R20-R 数据表(PDF) 4 Page - Unisonic Technologies

部件名 U74AHC640L-R20-R
功能描述  OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
PDF  7 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

U74AHC640L-R20-R 数据表(HTML) 4 Page - Unisonic Technologies

  U74AHC640L-R20-R Datasheet HTML 1Page - Unisonic Technologies U74AHC640L-R20-R Datasheet HTML 2Page - Unisonic Technologies U74AHC640L-R20-R Datasheet HTML 3Page - Unisonic Technologies U74AHC640L-R20-R Datasheet HTML 4Page - Unisonic Technologies U74AHC640L-R20-R Datasheet HTML 5Page - Unisonic Technologies U74AHC640L-R20-R Datasheet HTML 6Page - Unisonic Technologies U74AHC640L-R20-R Datasheet HTML 7Page - Unisonic Technologies  
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background image
U74HC640
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
4 of 7
www.unisonic.com.tw
QW-R126-008.A
SWITCHING CHARACTERISTICS (TA =25°C)
CL=50pF, RL=1kΩ
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Propagation Delay from A to B or B to A
tPD
VCC=2V
29
105
ns
VCC=4.5V
10
21
VCC=6V
8
18
Enable Times from OE to A or B
tEN
VCC=2V
109 230
ns
VCC=4.5V
27
46
VCC=6V
20
39
Disable Times from OE to A or B
tDIS
VCC=2V
40
150
ns
VCC=4.5V
18
30
VCC=6V
16
26
Output Rise or fall Time
tT
VCC=2V
20
60
ns
VCC=4.5V
8
12
VCC=6V
6
10
CL=150pF, RL=1kΩ
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Propagation Delay from A to B or B to A
tPD
VCC=2V
44
190
ns
VCC=4.5V
14
38
VCC=6V
11
33
Enable Times from OE to A or B
tEN
VCC=2V
124 315
ns
VCC=4.5V
31
63
VCC=6V
23
54
OUTPUT rise or fall Time
tT
VCC=2V
45
210
ns
VCC=4.5V
17
42
VCC=6V
13
36
OPERATING CHARACTERISTICS (TA =25°C)
PARAMETER
SYMBOL
TEST CONDITIONS
TYP
UNIT
Power Dissipation Capacitance
CPD
No load
40
pF



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