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參數(shù)資料
| 型號： | MC74AC161 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | SYNCHRONOUS PRESETTABLE BINARY COUNTER |
| 中文描述： | 同步預(yù)置二進(jìn)制計(jì)數(shù)器 |
| 文件頁數(shù)： | 9/12頁 |
| 文件大小： | 309K |
| 代理商： | MC74AC161 |
MC74AC161 MC74ACT161 MC74AC163 MC74ACT163
5-9
FACT DATA
AC CHARACTERISTICS
(For Figures and Waveforms — See Section 3)
Symbol
Parameter
(V)
74ACT161
74ACT161
Unit
No.
VCC*
TA = +25
°
C
CL = 50 pF
TA = –40
°
C
to +85
°
C
CL = 50 pF
Fig.
Min
Typ
Max
Min
Max
fmax
Maximum Count
Frequency
5.0
115
125
100
MHz
3-3
tPLH
Propagation Delay
CP to Qn (PE Input HIGH or LOW)
Propagation Delay
CP or Qn (PE Input HIGH or LOW)
Propagation Delay
CP to TC
5.0
1.5
8.0
9.5
1.5
10.5
ns
3-6
tPHL
5.0
1.5
8.0
10.5
1.5
11.5
ns
3-6
tPLH
5.0
2.0
11.0
11.0
1.5
12.5
ns
3-6
tPHL
Propagation Delay
CP to TC
5.0
1.5
11.0
12.5
1.5
13.5
ns
3-6
tPLH
Propagation Delay
CET to TC
5.0
1.5
7.5
8.5
1.5
10.0
ns
3-6
tPHL
Propagation Delay
CET to TC
5.0
1.5
8.0
9.5
1.5
10.5
ns
3-6
tPHL
Propagation Delay
MR to Qn
Propagation Delay
MR to TC
5.0
1.5
8.0
10.0
1.5
11.0
ns
3-6
tPHL
5.0
2.5
10.0
13.5
2.0
14.5
ns
3-6
* Voltage Range 5.0 V is 5.0 V
±
0.5 V.
AC CHARACTERISTICS
(For Figures and Waveforms — See Section 3)
Symbol
Parameter
(V)
74ACT163
74ACT163
Unit
No.
VCC*
TA = +25
°
C
CL = 50 pF
TA = –40
°
C
to +85
°
C
CL = 50 pF
Fig.
Min
Typ
Max
Min
Max
fmax
Maximum Count
Frequency
5.0
120
140
105
MHz
3-3
tPLH
Propagation Delay
CP to Qn (PE Input HIGH or LOW)
Propagation Delay
CP to Qn (PE Input HIGH or LOW)
Propagation Delay
CP to TC
5.0
1.5
5.5
10.0
1.5
11.0
ns
3-6
tPHL
5.0
1.5
6.0
11.0
1.5
12.0
ns
3-6
tPLH
5.0
2.5
7.0
11.5
2.0
13.5
ns
3-6
tPHL
Propagation Delay
CP to TC
5.0
3.0
8.0
13.5
2.0
15.0
ns
3-6
tPLH
Propagation Delay
CET to TC
5.0
2.0
5.5
9.0
1.5
10.5
ns
3-6
tPHL
Propagation Delay
CET to TC
5.0
2.0
6.0
10.0
2.0
11.0
ns
3-6
* Voltage Range 5.0 V is 5.0 V
±
0.5 V.
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| MC74AC161DR2 | 功能描述:計(jì)數(shù)器移位寄存器 2-6V Synchronous RoHS:否 制造商:Texas Instruments 計(jì)數(shù)器類型: 計(jì)數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時(shí)間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
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