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參數(shù)資料
| 型號： | MC74F2444DW |
| 廠商： | Motorola, Inc. |
| 英文描述： | Supply Voltage Supervisor w/Watchdog input, RESET, /RESET 5-SOT-23 |
| 中文描述： | 八路緩沖器/線路驅(qū)動器，具有三態(tài)輸出快速肖特基TTL |
| 文件頁數(shù)： | 4/4頁 |
| 文件大小： | 89K |
| 代理商： | MC74F2444DW |
4-111
FAST AND LS TTL DATA
MC54/74F240
MC54/74F241
MC54/74F244
AC CHARACTERISTICS – MC54/74F240
54/74F
54F
74F
TA = +25
°
C
VCC = +5.0 V
CL = 50 pF
Typ
TA = -55
°
C to +125
°
C
VCC = 5.0 V
±
10%
CL = 50 pF
Min
TA = 0
°
C to +70
°
C
VCC = 5.0 V
±
10%
CL = 50 pF
Min
Symbol
Parameter
Min
Max
Max
Max
Unit
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation Delay, Data to Output
2.5
5.1
7.0
2.5
9.0
2.5
8.0
ns
1.5
3.5
4.7
1.5
6.0
1.5
5.7
Output Enable Time
2.0
3.5
5.2
2.0
6.5
2.0
5.7
ns
4.0
6.9
9.0
4.0
13.5
4.0
10
Output Disable Time
2.0
4.0
5.3
2.0
6.5
2.0
6.3
ns
1.5
6.0
8.0
2.0
12.5
1.5
9.5
AC CHARACTERISTICS – MC54/74F241
54/74F
54F
74F
TA = +25
°
C
VCC = +5.0 V
CL = 50 pF
Typ
TA = -55
°
C to +125
°
C
VCC = 5.0 V
±
10%
CL = 50 pF
Min
TA = 0
°
C to +70
°
C
VCC = 5.0 V
±
10%
CL = 50 pF
Min
Symbol
Parameter
Min
Max
Max
Max
Unit
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation Delay, Data to Output
2.5
4.0
5.2
2.0
6.5
2.5
6.2
ns
2.5
4.0
5.2
2.0
7.0
2.5
6.5
Output Enable Time
2.0
4.3
5.7
2.0
7.0
2.0
6.7
ns
2.0
5.4
7.0
2.0
8.5
2.0
8.0
Output Disable Time
2.0
4.5
6.0
2.0
7.0
2.0
7.0
ns
2.0
4.5
6.5
2.0
12.5
2.0
7.5
AC CHARACTERISTICS – MC54/74F244
54/74F
54F
74F
TA = +25
°
C
VCC = +5.0 V
CL = 50 pF
Typ
TA = -55
°
C to +125
°
C
VCC = 5.0 V
±
10%
CL = 50 pF
Min
TA = 0
°
C to +70
°
C
VCC = 5.0 V
±
10%
CL = 50 pF
Min
Symbol
Parameter
Min
Max
Max
Max
Unit
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation Delay, Data to Output
2.5
4.0
5.2
2.5
6.5
2.5
6.2
ns
2.5
4.0
5.2
2.5
7.0
2.5
6.5
Output Enable Time
2.0
4.3
5.7
2.0
7.0
2.0
6.7
ns
2.0
5.4
7.0
2.0
8.5
2.0
8.0
Output Disable Time
2.0
4.5
6.0
2.0
7.0
2.0
7.0
ns
2.0
4.5
6.0
2.0
10.0
2.0
7.0
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