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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： | 11/12頁 |
| 文件大小： | 309K |
| 代理商： | MC74AC163N |
MC74AC161 MC74ACT161 MC74AC163 MC74ACT163
5-11
FACT DATA
AC OPERATING REQUIREMENTS
Symbol
Parameter
(V)
74ACT163
74ACT163
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
SR to CP
5.0
4.0
10.0
12.0
ns
3-9
th
5.0
–5.0
0.5
0.5
ns
3-9
ts
5.0
4.0
10.0
11.5
ns
3-9
th
Hold Time, HIGH or LOW
SR to CP
5.0
–5.5
–0.5
–0.5
ns
3-9
ts
Setup Time, HIGH or LOW
PE to CP
5.0
4.0
8.5
10.5
ns
3-9
th
Hold Time, HIGH or LOW
PE to CP
5.0
–5.5
–0.5
0
ns
3-9
ts
Setup Time, HIGH or LOW
CEP or CET to CP
5.0
2.5
5.5
6.5
ns
3-9
th
Hold Time, HIGH or LOW
CEP or CET to CP
5.0
–3.0
0
0.5
ns
3-9
tw
Clock Pulse Width
HIGH or LOW
5.0
2.0
3.5
3.5
ns
3-6
tw
Clock Pulse Width (Count)
HIGH or LOW
5.0
2.0
3.5
3.5
ns
3-6
* Voltage Range 5.0 V is 5.0 V
±
0.5 V.
CAPACITANCE
Symbol
Parameter
Value
Typ
Unit
Test Conditions
CIN
Input Capacitance
4.5
pF
VCC = 5.0 V
CPD
Power Dissipation Capacitance
45
pF
VCC = 5.0 V
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