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參數(shù)資料
| 型號(hào)： | M54HC245K1 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | HC/UH SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDFP20 |
| 封裝： | CERAMIC, DFP-20 |
| 文件頁數(shù)： | 6/10頁 |
| 文件大小： | 163K |
| 代理商： | M54HC245K1 |
M54HC245
5/10
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr =tf =6ns)
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/8 (per circuit)
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.
tTLH tTHL Output Transition
Time
2.0
50
25
60
75
90
ns
4.5
7
12
19
18
6.0
6
10
13
15
tPLH tPHL Propagation Delay
Time
2.0
50
33
90
115
135
ns
4.5
12
18
23
27
6.0
10
15
20
23
2.0
150
48
120
150
180
ns
4.5
16
24
30
36
6.0
14
20
26
31
tPZL tPZH High Impedance
Output Enable
Time
2.0
50
RL =1 K
48
150
190
225
ns
4.5
16
30
38
45
6.0
14
26
32
38
2.0
150
RL =1 K
63
180
225
270
ns
4.5
21
36
45
54
6.0
18
31
38
46
tPLZ tPHZ High Impedance
Output Disable
Time
2.0
50
RL =1 K
37
150
190
225
ns
4.5
17
30
38
45
6.0
15
26
32
38
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
DIR, G
510
10
pF
CI/OUT
Output
Capacitance
An, Bn
13
pF
CPD
Power Dissipation
Capacitance
(note 1)
39
pF
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