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參數(shù)資料
| 型號(hào)： | DM74LS194AN |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 通用總線功能 |
| 英文描述： | Octal Buffer/Line Driver with 3-STATE Outputs |
| 中文描述： | LS SERIES, 4-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDIP16 |
| 封裝： | 0.300 INCH, PLASTIC, MS-001, DIP-16 |
| 文件頁(yè)數(shù)： | 3/6頁(yè) |
| 文件大?。?/td> | 68K |
| 代理商： | DM74LS194AN |
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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
Note 2:
C
L
=
15 pF, T
A
=
25
°
C and V
CC
=
5V.
Note 3:
C
L
=
50 pF, R
L
=
2 k
, T
A
=
25
°
C and V
CC
=
5V.
Note 4:
T
A
=
25
°
C and V
CC
=
5V.
Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Note 5:
All typicals are at V
CC
=
5V, T
A
=
25
°
C.
Note 6:
Not more than one output should be shorted at a time, and the duration should not exceed one second.
Note 7:
With all outputs open, inputs A through D grounded, and 4.5V applied to S0, S1, CLEAR, and the serial inputs, I
CC
is tested with momentary ground,
then 4.5V applied to CLOCK.
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
V
CC
V
IH
V
IL
I
OH
I
OL
f
CLK
Parameter
Min
4.75
2
Nom
5
Max
5.25
Units
V
V
V
mA
mA
Supply Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Current
LOW Level Output Current
Clock Frequency (Note 2)
Clock Frequency (Note 3)
Pulse Width
(Note 4)
Setup Time
(Note 4)
Hold Time (Note 4)
Clear Release Time (Note 4)
Free Air Operating Temperature
0.8
0.4
8
25
20
0
0
MHz
t
W
Clock
Clear
Mode
Data
20
20
30
20
0
25
0
ns
t
SU
ns
t
H
t
REL
T
A
ns
ns
°
C
70
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 5)
V
I
V
OH
Input Clamp Voltage
V
CC
=
Min, I
I
=
18 mA
V
CC
=
Min, I
OH
=
Max
V
IL
=
Max, V
IH
=
Min
V
CC
=
Min, I
OL
=
Max
V
IL
=
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 6)
V
CC
=
Max (Note 7)
1.5
V
HIGH Level
Output Voltage
LOW Level
2.7
3.4
V
V
OL
0.35
0.5
Output Voltage
V
0.4
0.1
I
I
I
IH
I
IL
I
OS
I
CC
Input Current @ Max Input Voltage
mA
μ
A
mA
mA
HIGH Level Input Current
LOW Level Input Current
Short Circuit Output Current
20
0.4
100
23
20
Supply Current
15
mA
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| DM74LS20MX | 功能描述:邏輯門(mén) Dl 4-Input NAND Gate RoHS:否 制造商:Texas Instruments 產(chǎn)品:OR 邏輯系列:LVC 柵極數(shù)量:2 線路數(shù)量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時(shí)間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
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