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74AC280 데이터시트(PDF) 4 Page - STMicroelectronics

부품명 74AC280
상세설명  9 BIT PARITY GENERATOR
PDF  8 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

74AC280 데이터시트(HTML) 4 Page - STMicroelectronics

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CAPACITIVE CHARACTERISTICS
Symb ol
Parameter
Test Co nditi ons
Valu e
Un it
VCC
(V)
TA =25
oC
-40 to 85
oC
Min.
T yp.
Max.
Mi n.
Max.
CIN
Input Capacitance
5.0
4
pF
CPD
Power Dissipation
Capacitance (note 1)
5.0
27
pF
1) CPD isdefined as the value of the IC’sinternal equivalent capacitance which is calculated fromthe operating current consumption without load. (Referto
Test Circuit).Average operating current can be obtained by the following equation. ICC(opr) = CPD
• VCC • fIN +ICC
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500
Ω, Input tr =tf =3 ns)
Symb ol
Parameter
T est Con ditio n
Valu e
Un it
VCC
(V)
TA =25
oC
-40 to 85
oC
Min.
T yp.
Max.
Mi n.
Max.
tPLH
tPHL
Propagation Delay Time
(Input -
ΣODD, ΣEVEN)
3.3
(*)
1.5
5
17.0
1
18.5
ns
5.0
(**)
1.5
4
13.0
1
14.5
(*) Voltage range is 3.3V
± 0.3V
(**) Voltage range is 5V
± 0.5V
DC SPECIFICATIONS
Symb ol
Parameter
Test Co nditi ons
Valu e
Un it
VCC
(V)
TA =25
oC
-40 to 85
oC
Min.
T yp.
Max.
Mi n.
Max.
VIH
High Level Input Voltage
3.0
VO = 0.1 V or
VCC - 0.1 V
2.1
1.5
2.1
V
4.5
3.15
2.25
3.15
5.5
3.85
2.75
3.85
VIL
Low Level Input Voltage
3.0
VO = 0.1 V or
VCC - 0.1 V
1.5
0.9
0.9
V
4.5
2.25
1.35
1.35
5.5
2.75
1.65
1.65
VOH
High Level Output
Voltage
3.0
VI
(* ) =
VIH or
VIL
IO=-50
µA
2.9
2.99
2.9
V
4.5
IO=-50
µA
4.4
4.49
4.4
5.5
IO=-50
µA
5.4
5.49
5.4
3.0
IO=-12 mA
2.56
2.46
4.5
IO=-24 mA
3.86
3.76
5.5
IO=-24 mA
4.86
4.76
VOL
Low Level Output
Voltage
3.0
VI
(* ) =
VIH or
VIL
IO=50
µA
0.002
0.1
0.1
V
4.5
IO=50
µA
0.001
0.1
0.1
5.5
IO=50
µA
0.001
0.1
0.1
3.0
IO=12 mA
0.36
0.44
4.5
IO=24 mA
0.36
0.44
5.5
IO=24 mA
0.36
0.44
II
Input Leakage Current
5.5
VI =VCC or GND
±0.1
±1
µA
ICC
Quiescent Supply
Current
5.5
VI =VCC or GND
4
40
µA
IOLD
Dynamic Output Current
(note 1, 2)
5.5
VOLD = 1.65 V max
75
mA
IOHD
VOHD = 3.85 V min
-75
mA
1) Maximum test duration 2ms, one output loaded attime
2) Incident wave switching is guaranteed on transmission lines with impedances as low as 50
Ω.
(*) All outputs loaded.
74AC280
4/8



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