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参数资料
| 型号： | M54HC257D |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 编、解码器及复用、解复用 |
| 英文描述： | HC/UH SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CDIP16 |
| 封装： | CERAMIC, DIP-16 |
| 文件页数： | 6/10页 |
| 文件大小： | 168K |
| 代理商： | M54HC257D |
M54HC257
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/4 (per
Channel)
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.
tTLH tTHL Output Transition
Time
2.0
50
25
60
75
90
ns
4.5
7
12
15
19
6.0
6
10
13
15
tPLH tPHL Propagation Delay
Time
(A, B - Y)
2.0
50
45
100
125
150
ns
4.5
13
20
25
30
6.0
11
17
21
26
2.0
150
62
140
175
210
ns
4.5
18
28
35
42
6.0
15
24
30
36
tPLH tPHL Propagation Delay
Time
(SELECT - Y)
2.0
50
45
100
125
150
ns
4.5
13
20
25
30
6.0
11
17
21
26
2.0
150
62
140
175
210
ns
4.5
18
28
35
42
6.0
15
24
30
36
tPZL tPZH High Impedance
Output Enable
Time
2.0
50
RL =1 K
40
110
140
165
ns
4.5
12
22
28
33
6.0
10
19
24
28
2.0
150
RL =1 K
57
150
190
225
ns
4.5
17
30
38
45
6.0
14
26
32
38
tPLZ tPHZ High Impedance
Output Disable
Time
2.0
50
RL =1 K
28
140
175
210
ns
4.5
14
28
35
42
6.0
13
24
30
36
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
510
10
pF
COUT
Output
Capacitance
10
pF
CPD
Power Dissipation
Capacitance
(note 1)
47
pF
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M54HC257D1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:RAD-HARD QUAD 2 CHANNEL MULTIPLEXER (3-STATE) |
| M54HC257F1R | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:HC258QUAD 2CHANNEL MULTIPLEXER 3-STATE, INVERTING HC257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE |
| M54HC257K | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:RAD-HARD QUAD 2 CHANNEL MULTIPLEXER (3-STATE) |
| M54HC257K1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:RAD-HARD QUAD 2 CHANNEL MULTIPLEXER (3-STATE) |
| M54HC257M1R | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:HC258QUAD 2CHANNEL MULTIPLEXER 3-STATE, INVERTING HC257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE |
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