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74ACT280B 数据表(PDF) 4 Page - STMicroelectronics

部件名 74ACT280B
功能描述  9 BIT PARITY GENERATOR/CHECKER
PDF  8 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

74ACT280B 数据表(HTML) 4 Page - STMicroelectronics

  74ACT280B Datasheet HTML 1Page - STMicroelectronics 74ACT280B Datasheet HTML 2Page - STMicroelectronics 74ACT280B Datasheet HTML 3Page - STMicroelectronics 74ACT280B Datasheet HTML 4Page - STMicroelectronics 74ACT280B Datasheet HTML 5Page - STMicroelectronics 74ACT280B Datasheet HTML 6Page - STMicroelectronics 74ACT280B Datasheet HTML 7Page - STMicroelectronics 74ACT280B Datasheet HTML 8Page - 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
75
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)
5.0
(*)
3.0
8.5
13.0
2.0
14.5
ns
(*) Voltage range is 5V
± 0.5V
CL = 50 pF or equivalent (includes jigand probe capacitance)
RL =R1 =500
Ω orequivalent
RT =ZOUT of pulse generator (typically 50
Ω)
TEST CIRCUIT
74ACT280
4/8



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