M74VHC594RMTR(2004) 查看數據表（PDF） - STMicroelectronics
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M74VHC594RMTR Datasheet PDF : 11 Pages
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74VHC594
Table 8: Capacitive Characteristics
Test Condition
Value
Symbol
Parameter
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
CIN Input Capacitance
7
pF
COUT Output
Capacitance
9
pF
CPD Power Dissipation
Capacitance
70
pF
(note 1)
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 x VCC x fIN + ICC
t(s Table 9: Dynamic Switching Characteristics
uc Test Condition
Value
rod Symbol
Parameter
VCC
P (V)
te VOLP Dynamic Low
le Voltage Quiet
5.0
o VOLV Output (note 1, 2)
s Dynamic High
b VIHD Voltage Input
5.0
O (note 1, 3)
- Dynamic Low
) VILD Voltage Input
5.0
t(s (note 1, 3)
CL = 50 pF
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
0.9 1.2
V
-0.9 -1.2
3.5
V
1.5
V
c 1) Worst case package.
u 2) Max number of outputs defined as (n). Data inputs are driven 0V to 5.0V, (n-1) outputs switching and one output at GND.
d 3) Max number of data inputs (n) switching. (n-1) switching 0V to 5.0V. Inputs under test switching: 5.0V to threshold (VILD), 0V to threshold
(VIHD), f=1MHz.
Obsolete Pro Figure 5: Test Circuit
CL = 15/50pF or equivalent (includes jig and probe capacitance)
RT = ZOUT of pulse generator (typically 50Ω)
7/14
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