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參數(shù)資料
| 型號： | DM74LS169 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Quad Buffer with 3-STATE Outputs; Package: SOIC; No of Pins: 14; Container: Rail |
| 中文描述： | 同步4位向上/向下二進(jìn)制計數(shù)器 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 213K |
| 代理商： | DM74LS169 |
Absolute Maximum Ratings
(Note 1)
Supply Voltage
Input Voltage
Operating Free Air Temperature Range
7V
7V
DM54LS and 54LS
DM74LS
Storage Temperature Range
55C to +125C
0C to +70C
65C to +150C
Recommended Operating Conditions
Symbol
Parameter
DM54LS169A
Nom
5
DM74LS169A
Nom
5
Units
Min
4.5
2
Max
5.5
Min
4.75
2
Max
5.25
V
CC
V
IH
V
IL
I
OH
I
OL
f
CLK
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)
Clock Pulse Width (Note 4)
Setup Time
(Note 4)
V
V
V
0.7
0.4
4
25
20
0.8
0.4
8
25
20
mA
mA
MHz
MHz
ns
0
0
25
20
20
0
0
t
W
t
SU
25
20
20
Data
Enable
T or P
Load
U/D
ns
25
30
0
55
25
30
0
0
t
H
T
A
Hold Time (Note 4)
Free Air Operating Temperature
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” table are not guaranteed at the absolute maximum ratings. The “Recommended Operating
Conditions” table will define the conditions for actual device operation.
Note 2:
C
L
= 15 pF, R
L
= 2 k
, T
A
= 25C and V
CC
= 5V.
Note 3:
C
L
= 50 pF, R
L
= 2 k
, T
A
= 25C and V
CC
= 5V.
Note 4:
T
A
= 25C and V
CC
= 5V.
ns
C
125
70
Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 5)
V
I
V
OH
Input Clamp Voltage
High Level Output
Voltage
Low Level Output
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
V
DM54
DM74
DM54
DM74
DM74
Enable T
Others
Enable T
Others
Enable T
Others
DM54
DM74
2.5
2.7
3.4
3.4
0.25
0.35
0.25
V
OL
0.4
0.5
0.4
0.2
0.1
40
20
0.8
0.4
100
100
34
V
I
I
Input Current
@
Max
Input Voltage
High Level Input
Current
Low Level Input
Current
Short Circuit
Output Current
Supply Current
mA
I
IH
μA
I
IL
mA
I
OS
20
20
mA
I
CC
20
mA
Note 5:
All typicals are at V
CC
= 5V and T
A
= 25C.
Note 6:
Not more than one output should be shorted at a time, and the duration should not exceed one second.
Note 7:
I
CC
is measured after a momentary 4.5V, then ground, is applied to the CLOCK with all other inputs grounded and all the outputs open.
www.fairchildsemi.com
2
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| DM74LS169A WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| DM74LS169AM | 功能描述:計數(shù)器 IC Syn 4-Bit Binary Ctr RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| DM74LS169AMX | 功能描述:計數(shù)器 IC Syn 4-Bit Binary Ctr RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| DM74LS169AN | 功能描述:計數(shù)器 IC Syn 4-Bit Binary Ctr RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| DM74LS174 DIE | 制造商:Texas Instruments 功能描述: |
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