參數(shù)資料
型號(hào): MC74AC253N
廠商: MOTOROLA INC
元件分類: 通用總線功能
英文描述: DUAL 4-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS
中文描述: AC SERIES, DUAL 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDIP16
封裝: PLASTIC, DIP-16
文件頁數(shù): 5/8頁
文件大小: 179K
代理商: MC74AC253N
MC74AC253 MC74ACT253
5-5
FACT DATA
AC CHARACTERISTICS
(For Figures and Waveforms — See Section 3)
Symbol
Parameter
(V)
74AC
74AC
Unit
No.
VCC*
TA = +25
°
C
CL = 50 pF
TA = –40
°
C
to +85
°
C
CL = 50 pF
Fig.
Min
Typ
Max
Min
Max
tPLH
Propagation Delay
Sn to Zn
Propagation Delay
Sn to Zn
Propagation Delay
In to Zn
Propagation Delay
In to Zn
3.3
5.0
2.0
2.0
15.5
11.0
2.0
1.5
17.5
12.5
ns
3-6
tPHL
3.3
5.0
2.5
2.0
16.0
11.5
2.0
1.5
18.0
13.0
ns
3-6
tPLH
3.3
5.0
1.5
1.5
14.5
10.0
1.5
1.5
17.0
11.5
ns
3-5
tPHL
3.3
5.0
2.0
1.5
13.0
9.5
1.5
1.5
15.0
11.0
ns
3-5
tPZH
Output Enable Time
3.3
5.0
1.5
1.5
8.0
6.0
1.0
1.0
8.5
6.5
ns
3-7
tPZL
Output Enable Time
3.3
5.0
1.5
1.5
8.0
6.0
1.0
1.0
9.0
7.0
ns
3-8
tPHZ
Output Disable Time
3.3
5.0
2.0
2.0
9.5
8.0
1.5
1.5
10.0
8.5
ns
3-7
tPLZ
Output Disable Time
3.3
5.0
1.5
1.5
8.0
7.0
1.0
1.0
9.0
7.5
ns
3-8
* 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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