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參數資料
| 型號： | MC74AC163N |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | SYNCHRONOUS PRESETTABLE BINARY COUNTER |
| 中文描述： | AC SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數： | 6/12頁 |
| 文件大小： | 309K |
| 代理商： | MC74AC163N |
MC74AC161 MC74ACT161 MC74AC163 MC74ACT163
5-6
FACT DATA
AC OPERATING REQUIREMENTS
Symbol
Parameter
(V)
74AC161
74AC161
Unit
No.
VCC*
TA = +25
°
C
CL = 50 pF
TA = –40
°
C
to +85
°
C
CL = 50 pF
Fig.
Typ
Guaranteed Minimum
ts
Setup Time, HIGH or LOW
Pn to CP
Hold Time, HIGH or LOW
Pn to CP
Setup Time, HIGH or LOW
PE to CP
3.3
5.0
6.0
3.5
13.5
8.5
16.0
10.5
ns
3-9
th
3.3
5.0
–7.0
–4.0
–1.0
0
–0.5
0
ns
3-9
ts
3.3
5.0
6.5
4.0
11.5
7.5
14.0
8.5
ns
3-9
th
Hold Time, HIGH or LOW
PE to CP
3.3
5.0
–6.0
–3.5
0
0
ns
3-9
0.5
1.0
ts
Setup Time, HIGH or LOW
CEP or CET to CP
3.3
5.0
3.0
2.0
6.0
4.5
7.0
5.0
ns
3-9
th
Hold Time, HIGH or LOW
CEP or CET to CP
3.3
5.0
–3.5
–2.0
0
0
0
ns
3-9
0.5
tw
Clock Pulse Width (Load)
HIGH or LOW
3.3
5.0
2.0
2.0
3.5
2.5
4.0
3.0
ns
3-6
tw
Clock Pulse Width (Count)
HIGH or LOW
3.3
5.0
2.0
2.0
4.0
3.0
4.5
3.5
ns
3-6
tw
MR Pulse Width, LOW
3.3
5.0
3.0
2.5
5.5
4.5
7.5
6.0
ns
3-6
trec
Recovery TIme
MR to CP
3.3
5.0
–2.0
–1.0
–0.5
0
0
ns
3-9
0.5
* Voltage Range 3.3 V is 3.3 V
±
0.3 V.
Voltage Range 5.0 V is 5.0 V
±
0.5 V.
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