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參數(shù)資料
| 型號： | 74ALS161 |
| 廠商： | Fairchild Semiconductor Corporation |
| 元件分類： | 通用總線功能 |
| 英文描述： | Synchronous Four-Bit Counter |
| 中文描述： | 同步4位計數(shù)器 |
| 文件頁數(shù)： | 7/9頁 |
| 文件大小： | 92K |
| 代理商： | 74ALS161 |
7
www.fairchildsemi.com
D
Electrical Characteristics
over recommended operating free air temperature range. All typical values are measured at V
CC
=
5V, T
A
=
25
°
C.
Symbol
Parameter
Switching Characteristics DM74ALS161B
over recommended operating free air temperature range.
Symbol
Parameter
Switching Characteristics DM74ALS162B, DM74ALS163B
over recommended operating free air temperature range.
Conditions
Min
Typ
Max
Units
V
IK
V
OH
Input Clamp Voltage
V
CC
=
4.5V, I
I
=
18 mA
I
OH
=
0.4 mA
V
CC
=
4.5V to 5.5V
V
CC
=
4.5V
1.5
V
HIGH Level
Output Voltage
LOW Level
V
CC
2
V
V
OL
I
OL
=
4 mA
I
OL
=
8 mA
0.25
0.4
V
Output Voltage
Input Current at Max
Input Voltage
0.35
0.5
V
I
I
V
CC
=
5.5V, V
IH
=
7V
0.1
mA
I
IH
I
IL
I
O
I
CC
HIGH Level Input Current
LOW Level Input Current
V
CC
=
5.5V, V
IH
=
2.7V
V
CC
=
5.5V, V
IL
=
0.4V
V
CC
=
5.5V, V
O
=
2.25V
V
CC
=
5.5V
20
0.2
112
21
μ
A
mA
Output Drive Current
Supply Current
30
mA
mA
12
Conditions
From
To
Min
Max
Units
f
MAX
t
PLH
Maximum Clock Frequency
V
CC
=
4.5V to 5.5V
R
L
=
500
C
L
=
50 pF
40
MHz
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
Clock
Ripple
Carry
Ripple
5
20
ns
t
PHL
Clock
5
20
ns
HIGH-to-LOW Level Output
Propagation Delay Time
LOW-to-HIGH Level Output
Carry
t
PLH
Clock
Any Q
4
15
ns
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
Propagation Delay Time
Clock
Any Q
6
20
ns
t
PLH
En T
Ripple
3
13
ns
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
Carry
Ripple
Carry
t
PHL
En T
3
13
ns
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
Clear
Clear
Any Q
Ripple
Carry
8
24
ns
11
23
ns
Symbol
Parameter
Conditions
From
To
Min
Max
Units
f
MAX
t
PLH
Maximum Clock Frequency
Propagation Delay Time
LOW-to-HIGH Level Output
V
CC
=
4.5V to 5.5V
R
L
=
500
C
L
=
50 pF
T
A
=
Min to Max
40
MHz
Clock
Ripple
Carry
5
20
ns
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
Propagation Delay Time
Clock
Ripple
Carry
5
20
ns
t
PLH
Clock
Any Q
4
15
ns
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
t
PHL
Clock
Any Q
6
20
ns
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
En T
Ripple
Carry
Ripple
3
13
ns
t
PHL
En T
3
13
ns
HIGH-to-LOW Level Output
Carry
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74ALVC162240 | Triple 3-Input Positive-NAND Gates 14-SOIC -40 to 85 |
| 74ALVC162240T | Triple 3-Input Positive-NAND Gates 14-SOIC -40 to 85 |
| 74ALVC162240TX | Quad 4-Bit Buffer/Driver |
| 74ALVC162244 | Triple 3-Input Positive-NAND Gates 14-SOIC -40 to 85 |
| 74ALVC162244T | Triple 3-Input Positive-NAND Gates 14-PDIP -40 to 85 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74ALS161B | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4-bit binary counter |
| 74ALS161BD | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4-bit binary counter |
| 74ALS161BDB | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4-bit binary counter |
| 74ALS161BN | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4-bit binary counter |
| 74ALS163B | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4-bit binary counter |
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