参数资料
型号: M74VHC594TTR
厂商: 意法半导体
元件分类: 通用总线功能
英文描述: 8 BIT SHIFT REGISTER WITH OUTPUT REGISTER
中文描述: 8位元移位寄存器与输出寄存器
文件页数: 7/14页
文件大小: 308K
代理商: M74VHC594TTR
74VHC594
7/14
Table 8: Capacitive Characteristics
1) C
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. I
CC(opr)
= C
PD
x V
CC
x f
IN
+ I
CC
Table 9: Dynamic Switching Characteristics
1) Worst case package.
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.
3) Max number of data inputs (n) switching. (n-1) switching 0V to 5.0V. Inputs under test switching: 5.0V to threshold (V
ILD
), 0V to threshold
(V
IHD
), f=1MHz.
Figure 5: Test Circuit
C
L
= 15/50pF or equivalent (includes jig and probe capacitance)
R
T
= Z
OUT
of pulse generator (typically 50
)
Symbol
Parameter
Test Condition
Value
Unit
T
A
= 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
C
IN
C
OUT
Input Capacitance
Output
Capacitance
Power Dissipation
Capacitance
(note 1)
7
pF
9
pF
C
PD
70
pF
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
V
OLP
Dynamic Low
Voltage Quiet
Output (note 1, 2)
Dynamic High
Voltage Input
(note 1, 3)
Dynamic Low
Voltage Input
(note 1, 3)
5.0
C
L
= 50 pF
0.9
1.2
V
V
OLV
-0.9
-1.2
V
IHD
5.0
3.5
V
V
ILD
5.0
1.5
V
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