參數(shù)資料
型號： M74HC238TTR
廠商： 意法半導(dǎo)體
元件分類： 通用總線功能
英文描述： 3 TO 8 LINE DECODER
中文描述： 3至8線譯碼器
封裝： DIP16
文件頁數(shù)： 5/10頁
文件大?。?/td> 277K
代理商： M74HC238TTR
M74HC238
5/10
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
TEST CIRCUIT
C
L
= 50pF or equivalent (includes jig and probe capacitance)
R
T
= Z
OUT
of pulse generator (typically 50
)
Symbol
Parameter
Test Conditions
Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
C
IN
C
PD
Input Capacitance
Power Dissipation
Capacitance (note
1)
5.0
5
10
10
10
pF
5.0
53
pF
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