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U74HCT245 Datasheet(PDF) 4 Page - Unisonic Technologies

Part # U74HCT245
Description  OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

U74HCT245 Datasheet(HTML) 4 Page - Unisonic Technologies

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U74HCT245
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
4 of 5
www.unisonic.com.tw
QW-R502-646.B
SWITCHING CHARACTERISTICS (TA=25°С, RL=1kΩ,unless otherwise specified)
CL=50pF
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Propagation delay from input
(A or B) to output (B or A)
tPD
(tPLH/tPHL)
VCC=4.5V
16
22
ns
VCC=5.5V
14
20
ns
3-state output enable time from input
( OE ) to output (A or B)
tEN
(tPZL/tPZH)
VCC=4.5V
25
46
ns
VCC=5.5V
22
41
ns
3-state output disable time from
input ( OE ) to output (A or B)
tDIS
(tPLZ/tPHZ)
VCC=4.5V
26
40
ns
VCC=5.5V
23
36
ns
Output transition time, (A or B)
tT
(tR/tF)
VCC=4.5V
9
12
ns
VCC=5.5V
8
11
ns
CL=150pF
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Propagation delay from input
(A or B) to output (B or A)
tPD
(tPLH/tPHL)
VCC=4.5V
20
30
ns
VCC=5.5V
18
27
ns
3-state output enable time from input
( OE ) to output (A or B)
tEN
(tPZL/tPZH)
VCC=4.5V
36
59
ns
VCC=5.5V
30
53
ns
Output transition time, (A or B)
tT
(tR/tF)
VCC=4.5V
17
42
ns
VCC=5.5V
14
38
ns
OPERATING CHARACTERISTICS
PARAMETER
SYMBOL
TEST CONDITIONS
RATINGS
UNIT
Power Dissipation Capacitance
CPD
No load
40
pF


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