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U74HC540-P20-R 数据表(PDF) 4 Page - Unisonic Technologies

部件名 U74HC540-P20-R
功能描述  OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS
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

U74HC540-P20-R 数据表(HTML) 4 Page - Unisonic Technologies

  U74HC540-P20-R Datasheet HTML 1Page - Unisonic Technologies U74HC540-P20-R Datasheet HTML 2Page - Unisonic Technologies U74HC540-P20-R Datasheet HTML 3Page - Unisonic Technologies U74HC540-P20-R Datasheet HTML 4Page - Unisonic Technologies U74HC540-P20-R Datasheet HTML 5Page - Unisonic Technologies  
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U74HC540
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
4 of 5
www.unisonic.com.tw
QW-R126-004.A
SWITCHING CHARACTERISTICS (tR, tF≤3ns)
TA=25℃
-40~85℃
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
MIN
MAX
UNIT
VCC=2V, CL=50 pF
35
100
125
VCC=2V, CL=150 pF
60
150
188
VCC=4.5V, CL=50 pF
10
20
25
VCC=4.5V, CL=150 pF
15
30
38
VCC=6V, CL=50 pF
8
17
21
Propagation delay from
input (A) to output(Y)
tPLH/ tPHL
VCC=6V, CL=150 pF
13
26
32
ns
VCC=2V, CL=50 pF
75
150
188
VCC=2V, CL=150 pF
100
200
250
VCC=4.5V, CL=50 pF
15
30
38
VCC=4.5V, CL=150 pF
20
40
50
VCC=6V, CL=50 pF
13
26
32
3-state output enable time
from
OE to Yn
tPZH/ tPZL
VCC=6V, CL=150 pF
17
34
43
ns
VCC=2V, CL=50 pF
40
150
188
VCC=4.5V, CL=50 pF
18
30
38
3-state output disable time
from
OE to Yn
tPHZ/ tPLZ
VCC=6V, CL=50 pF
17
26
32
ns
OPERATING CHARACTERISTICS
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Power Dissipation Capacitance
Cpd
No load, f=1MHz
35
pF



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