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參數(shù)資料
| 型號： | 74ACT251PC |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 9-Bit TTL/BTL Address/Data Transceiver 52-QFP 0 to 70 |
| 中文描述： | ACT SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDIP16 |
| 封裝： | 0.300 INCH, PLASTIC, MS-001, DIP-16 |
| 文件頁數(shù)： | 4/9頁 |
| 文件大小： | 97K |
| 代理商： | 74ACT251PC |
www.fairchildsemi.com
4
7
DC Electrical Characteristics for ACT
Note 5:
All outputs loaded; thresholds on input associated with output under test.
Note 6:
Maximum test duration 2.0 ms, one output loaded at a time.
AC Electrical Characteristics for AC
Note 7:
Voltage Range 3.3 is 3.3V
±
0.3V.
Voltage Range 5.0 is 5.0V
±
0.5V
Symbol
Parameter
V
CC
(V)
T
A
=
+
25
°
C
Typ
1.5
1.5
1.5
T
A
=
40
°
C to
+
85
°
C
Guaranteed Limits
Units
Conditions
V
IH
Minimum HIGH Level
Input Voltage
Maximum LOW Level
4.5
5.5
4.5
2.0
2.0
0.8
2.0
2.0
0.8
V
V
OUT
=
0.1V
or V
CC
0.1V
V
OUT
=
0.1V
or V
CC
0.1V
V
IL
V
Input Voltage
Minimum HIGH Level
Output Voltage
5.5
4.5
5.5
1.5
4.49
5.49
0.8
4.4
5.4
0.8
4.4
5.4
V
OH
V
I
OUT
=
50
μ
A
V
IN
=
V
IL
or V
IH
I
OH
=
24 mA
I
OH
=
24 mA (Note 5)
4.5
5.5
3.86
4.86
3.76
4.76
V
V
OL
Maximum LOW Level
Output Voltage
4.5
5.5
0.001
0.001
0.1
0.1
0.1
0.1
V
I
OUT
=
50
μ
A
V
IN
=
V
IL
or V
IH
I
OL
= 24 mA
I
OL
= 24 mA (Note 5)
4.5
5.5
0.36
0.36
0.44
0.44
V
I
IN
Maximum Input
5.5
±
0.1
±
1.0
μ
A
V
I
=
V
CC
, GND
Leakage Current
Maximum 3-STATE
Current
I
OZ
5.5
±
0.5
±
5.0
μ
A
V
I
=
V
IL
, V
IH
V
O
=
V
CC
, GND
I
CCT
Maximum
I
CC
/Input
Minimum Dynamic
5.5
0.6
1.5
mA
V
I
=
V
CC
2.1V
I
OLD
I
OHD
I
CC
5.5
75
75
mA
V
OLD
=
1.65V Max
V
OHD
=
3.85V Min
V
IN
=
V
CC
or GND
Output Current (Note 6)
Maximum Quiescent
Supply Current
5.5
mA
5.5
4.0
40.0
μ
A
V
CC
T
A
=
+
25
°
C
C
L
=
50 pF
Typ
11.5
T
A
=
40
°
C to
+
85
°
C
C
L
=
50 pF
Min
1.5
Symbol
Parameter
(V)
Units
(Note 7)
3.3
Min
1.5
Max
17.5
Max
19.0
t
PLH
Propagation Delay
ns
S
n
to Z or Z
Propagation Delay
S
n
to Z or Z
Propagation Delay
I
n
to Z or Z
Propagation Delay
5.0
3.3
5.0
1.5
1.5
1.5
8.5
11.0
8.0
12.5
17.5
12.5
1.5
1.5
1.5
13.5
19.0
13.5
t
PHL
ns
t
PLH
3.3
5.0
3.3
1.5
1.5
1.5
10.0
7.0
9.0
14.0
10.0
14.0
1.5
1.5
1.5
15.5
11.0
15.5
ns
t
PHL
ns
I
n
to Z or Z
Output Enable Time
OE to Z or Z
5.0
3.3
5.0
1.5
1.5
1.5
6.5
7.5
5.5
10.0
11.0
8.0
1.5
1.5
1.5
11.0
12.0
9.0
t
PZH
ns
t
PZL
Output Enable Time
OE to Z or Z
Output Disable Time
3.3
5.0
3.3
1.5
1.5
1.5
7.5
5.5
8.5
11.0
8.0
11.5
1.5
1.5
1.5
12.0
9.0
13.0
ns
t
PHZ
ns
OE to Z or Z
Output Disable Time
OE to Z or Z
5.0
3.3
5.0
1.5
1.5
1.5
7.0
7.0
5.5
9.5
11.0
8.0
1.5
1.5
1.5
10.0
12.0
8.5
t
PLZ
ns
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|---|---|
| 74ACT251PC_Q | 功能描述:編碼器、解碼器、復用器和解復用器 3-Input Multiplexer RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74ACT251SC | 功能描述:編碼器、解碼器、復用器和解復用器 3-Input Multiplexer RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74ACT251SC_Q | 功能描述:編碼器、解碼器、復用器和解復用器 3-Input Multiplexer RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74ACT251SCX | 功能描述:編碼器、解碼器、復用器和解復用器 3-Input Multiplexer RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74ACT251X6B_BBA UP WAF | 制造商:Rochester Electronics LLC 功能描述: |
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