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參數(shù)資料
| 型號： | M74HC257RM13TR |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | QUAD 2 CHANNEL MULTIPLEXER (3-STATE) |
| 中文描述： | 四2通道多路復(fù)用器（3態(tài)） |
| 文件頁數(shù)： | 5/11頁 |
| 文件大?。?/td> | 195K |
| 代理商： | M74HC257RM13TR |
M74HC257
5/11
AC ELECTRICAL CHARACTERISTICS
(C
L
= 50 pF, Input t
r
= t
f
= 6ns)
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
/4 (per
Channel)
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.
t
TLH
t
THL
Output Transition
Time
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
50
25
7
6
45
13
11
62
18
15
45
13
11
62
18
15
40
12
10
57
17
14
28
14
13
60
12
10
100
20
17
140
28
24
100
20
17
140
28
24
110
22
19
150
30
26
140
28
24
75
15
13
125
25
21
175
35
30
125
25
21
175
35
30
140
28
24
190
38
32
175
35
30
90
19
15
150
30
26
210
42
36
150
30
26
210
42
36
165
33
28
225
45
38
210
42
36
ns
t
PLH
t
PHL
Propagation Delay
Time
(A, B - Y)
50
ns
150
ns
t
PLH
t
PHL
Propagation Delay
Time
(SELECT - Y)
50
ns
150
ns
t
PZL
t
PZH
High Impedance
Output Enable
Time
50
R
L
= 1 K
ns
150
R
L
= 1 K
ns
t
PLZ
t
PHZ
High Impedance
Output Disable
Time
50
R
L
= 1 K
ns
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
Input Capacitance
Output
Capacitance
Power Dissipation
Capacitance (note
1)
5
10
10
10
pF
C
OUT
10
pF
C
PD
47
pF
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M74HC257TTR | QUAD 2 CHANNEL MULTIPLEXER (3-STATE) |
| M74HC258 | Quad 2 Channel Multiplexer (3-STATE)(四2通道多路復(fù)用器(三態(tài))) |
| M74HC257 | Quad 2 Channel Multiplexer (3-STATE)(四2通道多路復(fù)用器(三態(tài))) |
| M74HC259 | 8 Bit Addressable Latch(八位可尋址鎖存器) |
| PCF8575C | Remote 16-bit I/O expander for I2C-bus |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M74HC257TTR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:QUAD 2 CHANNEL MULTIPLEXER (3-STATE) |
| M74HC258 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HC258QUAD 2CHANNEL MULTIPLEXER 3-STATE, INVERTING HC257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE |
| M74HC258B1R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HC258QUAD 2CHANNEL MULTIPLEXER 3-STATE, INVERTING HC257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE |
| M74HC258C1R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HC258QUAD 2CHANNEL MULTIPLEXER 3-STATE, INVERTING HC257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE |
| M74HC258F1R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HC158 QUAD 2 CHANNEL MULTIPLEXER INV. HC157 QUAD 2 CHANNEL MULTIPLEXER |
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