參數(shù)資料
型號: 74ACT245PW
英文描述: Single 8-bit Bus Transceiver
中文描述: 單8位總線收發(fā)器
文件頁數(shù): 4/8頁
文件大?。?/td> 60K
代理商: 74ACT245PW
74AC20
4/8
CAPACITIVE CHARACTERISTICS
1) C
PD
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
/2 (per gate)
TEST CIRCUIT
C
L
= 50pF or equivalent (includes jig and probe capacitance)
R
L
= R
1
= 500
or equivalent
R
T
= Z
OUT
of pulse generator (typically 50
)
WAVEFORM: PROPAGATION DELAYS
(f=1MHz; 50% duty cycle)
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.
C
IN
C
PD
Input Capacitance
Power Dissipation
Capacitance
(note 1)
5.0
5.0
4
pF
f
IN
= 10MHz
33
pF
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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