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M54HC590 数据表(PDF) 9 Page - STMicroelectronics

部件名 M54HC590
功能描述  RAD-HARD 8 BINARY COUNTER REGISTER WITH 3 STATE OUTPUT
PDF  16 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M54HC590 数据表(HTML) 9 Page - STMicroelectronics

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Table 7: Capacitive Characteristics
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) =CPD xVCC xfIN +ICC
Figure 6: Test Circuit
CL = 50pF/150pF or equivalent (includes jig and probe capacitance)
R1 =1KΩ or equivalent
RT =ZOUT of pulse generator (typically 50Ω)
tREM
Minimum Removal
Time (CCLR)
2.0
50
28
75
95
110
ns
4.5
7
15
19
22
6.0
6
13
16
19
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
CIN
Input Capacitance
510
10
10
pF
CPD
Power Dissipation
Capacitance (note
1)
40
pF
TEST
SWITCH
tPLH,tPHL
Open
tPZL,tPLZ
VCC
tPZH,tPHZ
GND
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
CL
(pF)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.



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