參數(shù)資料
型號(hào): 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): 7/12頁
文件大小: 309K
代理商: MC74AC161
MC74AC161 MC74ACT161 MC74AC163 MC74ACT163
5-7
FACT DATA
AC OPERATING REQUIREMENTS
Symbol
Parameter
(V)
74AC163
74AC163
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
3.3
5.0
5.5
4.0
13.5
8.5
16.0
10.5
ns
3-9
th
3.3
5.0
–7.0
–5.0
–1.0
0
–0.5
0
ns
3-9
ts
3.3
5.0
5.5
4.0
14
9.5
16.5
11.0
ns
3-9
th
Hold Time, HIGH or LOW
SR to CP
3.3
5.0
–7.5
–5.5
–1.0
–0.5
–0.5
0
ns
3-9
ts
Setup Time, HIGH or LOW
PE to CP
3.3
5.0
5.5
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
–7.5
–5.0
–1.0
–0.5
–0.5
0
ns
3-9
ts
Setup Time, HIGH or LOW
CEP or CET to CP
3.3
5.0
3.5
2.5
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
–4.5
–3.0
0
0
0
ns
3-9
0.5
tw
Clock Pulse Width (Load)
HIGH or LOW
3.3
5.0
3.0
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
3.0
2.0
4.0
3.0
4.5
3.5
ns
3-6
* 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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