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參數(shù)資料
| 型號： | DM74LS20N |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal Buffer/Line Driver with 3-STATE Outputs; Package: SOIC-Wide; No of Pins: 20; Container: Tape & Reel |
| 中文描述： | LS SERIES, DUAL 4-INPUT NAND GATE, PDIP14 |
| 封裝： | 0.300 INCH, PLASTIC, MS-001, DIP-14 |
| 文件頁數(shù)： | 2/4頁 |
| 文件大?。?/td> | 45K |
| 代理商： | DM74LS20N |
www.fairchildsemi.com
2
D
Absolute Maximum Ratings
(Note 1)
Note 1:
The “Absolute Maximum Ratings” are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum ratings.
The “Recommended Operating Conditions” table will define the conditions
for actual device operation.
Recommended Operating Conditions
Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Note 2:
All typicals are at V
CC
=
5V, T
A
=
25
°
C.
Note 3:
Not more than one output should be shorted at a time, and the duration should not exceed one second.
Switching Characteristics
at V
CC
=
5V and T
A
=
25
°
C
Supply Voltage
Input Voltage
Operating Free Air Temperature Range
Storage Temperature Range
7V
7V
0
°
C to
+
70
°
C
65
°
C to
+
150
°
C
Symbol
Parameter
Min
4.75
2
Nom
5
Max
5.25
Units
V
V
V
mA
mA
°
C
V
CC
V
IH
V
IL
I
OH
I
OL
T
A
Supply Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Current
LOW Level Output Current
Free Air Operating Temperature
0.8
0.4
8
70
0
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 2)
V
I
V
OH
Input Clamp Voltage
HIGH Level
Output Voltage
V
CC
=
Min, I
I
=
18 mA
V
CC
=
Min, I
OH
=
Max,
V
IL
=
Max
V
CC
=
Min, I
OL
=
Max,
V
IH
=
Min
I
OL
=
4 mA, V
CC
=
Min
V
CC
=
Max, V
I
=
7V
V
CC
=
Max, V
I
=
2.7V
V
CC
=
Max, V
I
=
0.4V
V
CC
=
Max (Note 3)
V
CC
=
Max
V
CC
=
Max
1.5
V
2.7
3.4
V
V
OL
LOW Level
Output Voltage
0.35
0.5
V
0.25
0.4
I
I
I
IH
I
IL
I
OS
I
CCH
I
CCL
Input Current @ Max Input Voltage
HIGH Level Input Current
0.1
20
0.36
100
0.8
mA
μ
A
mA
mA
mA
LOW Level Input Current
Short Circuit Output Current
Supply Current with Outputs HIGH
20
0.4
Supply Current with Outputs LOW
1.2
2.2
mA
R
L
=
2 k
Symbol
Parameter
C
L
=
15 pF
C
L
=
50 pF
Units
Min
Max
Min
Max
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
3
10
4
15
ns
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
3
10
4
15
ns
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| DM74LS21M | 制造商:Texas Instruments 功能描述: |
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| DM74LS221M | 功能描述:單穩(wěn)態(tài)多諧振蕩器 Dl Non-Ret One-Shot RoHS:否 制造商:Texas Instruments 每芯片元件:1 邏輯系列:LVC 邏輯類型:Monostable Multivibrator 封裝 / 箱體:SSOP-8 傳播延遲時間:18.6 ns 高電平輸出電流:- 32 mA 低電平輸出電流:32 mA 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| DM74LS221MX | 功能描述:單穩(wěn)態(tài)多諧振蕩器 Dl Non-Ret One-Shot RoHS:否 制造商:Texas Instruments 每芯片元件:1 邏輯系列:LVC 邏輯類型:Monostable Multivibrator 封裝 / 箱體:SSOP-8 傳播延遲時間:18.6 ns 高電平輸出電流:- 32 mA 低電平輸出電流:32 mA 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
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