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參數(shù)資料
| 型號(hào)： | M74HC242 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | QUAD BUS TRANSCEIVER 3-STATE |
| 中文描述： | 四總線收發(fā)器三態(tài) |
| 文件頁(yè)數(shù)： | 5/11頁(yè) |
| 文件大?。?/td> | 257K |
| 代理商： | M74HC242 |
SWITCHING CHARACTERISTICS TEST WAVEFORM
AC ELECTRICAL CHARACTERISTICS
(Input t
r
= t
f
= 6 ns)
Symbol
Parameter
Test Conditions
Value
-40 to 85
o
C
74HC
Min.
Unit
V
CC
(V)
C
L
(pF)
T
A
= 25
o
C
54HC and 74HC
Min.
Typ.
25
-55 to 125
o
C
54HC
Min.
Max.
60
12
10
90
18
15
145
29
25
145
29
25
175
35
30
150
30
26
10
Max.
75
15
13
115
23
20
180
36
31
180
36
31
220
44
37
190
38
32
10
Max.
90
18
15
135
27
23
220
44
37
220
44
37
265
53
45
225
45
38
10
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
50
ns
7
6
t
PLH
t
PHL
Propagation
Delay Time
50
39
13
11
51
17
14
57
18
15
70
22
19
45
20
17
5
30
35
ns
150
ns
t
PZL
t
PZH
3 State Output
Enable Time
50
R
L
= 1 K
ns
150
R
L
= 1 K
ns
t
PLZ
t
PHZ
3 State Output
Disable Time
50
R
L
= 1 K
ns
C
IN
Input Capacitance
Power Dissipation
Capacitance
pF
C
PD
(*)
for HC242
for HC243
pF
(*) C
PD
isdefined asthe value ofthe IC’sinternal equivalent capactance which is calculated from the operating current consumption without load.
(Refer to Test Circuit).Average operting current can be obtained by thefollowingequation. I
CC
(opr) = C
PD
V
CC
f
IN
+ I
CC
M54/M74HC242/243
5/11
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M74HC242B1R | QUAD BUS TRANSCEIVER 3-STATE |
| M74HC242M1R | QUAD BUS TRANSCEIVER 3-STATE |
| M74HC242C1R | QUAD BUS TRANSCEIVER 3-STATE |
| M74HC259B1R | 8 BIT ADDRESSABLE LATCH |
| M74HC259M1R | 8 BIT ADDRESSABLE LATCH |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M74HC242B1R | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:QUAD BUS TRANSCEIVER 3-STATE |
| M74HC242C1R | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:QUAD BUS TRANSCEIVER 3-STATE |
| M74HC242F1R | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:QUAD BUS TRANSCEIVER 3-STATE |
| M74HC242M1R | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:QUAD BUS TRANSCEIVER 3-STATE |
| M74HC243 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:QUAD BUS TRANSCEIVER 3-STATE |
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