参数资料
型号: IN74AC253N
厂商: INTEGRAL JOINT STOCK COMPANY
英文描述: Dual 4-Input Data Selector/Multiplexer with 3-State Otputs High-Speed Silicon-Gate CMOS
中文描述: 双路4输入数据选择器/ 3复用器国家Otputs高速硅栅CMOS
文件页数: 4/5页
文件大小: 204K
代理商: IN74AC253N
IN74AC253
349
AC ELECTRICAL CHARACTERISTICS
(C
L
=50pF, Input t
r
=t
f
=3.0 ns)
V
CC
V
*
Guaranteed Limits
25
°
C
Symbol
Parameter
-40
°
C to
85
°
C
Min
Unit
Min
Max
Max
t
PLH
Propagation Delay,Address to Output Y
(Figure 1)
3.3
5.0
2.0
2.0
15.5
11.0
2.0
1.5
17.5
12.5
ns
t
PHL
Propagation Delay,Address to Output Y
(Figure 1)
3.3
5.0
2.5
2.0
16.0
11.5
2.0
1.5
18.0
13.0
ns
t
PLH
Propagation Delay, Data to Output Y
(Figure 1)
3.3
5.0
1.5
1.5
14.5
10.0
1.5
1.5
17.0
11.5
ns
t
PHL
Propagation Delay, Data to Output Y
(Figure 1)
3.3
5.0
2.0
1.5
13.0
9.5
1.5
1.5
15.0
11.0
ns
t
PZH
Propagation Delay, Output Enable to Y
(Figure 2)
3.3
5.0
1.5
1.5
8.0
6.0
1.0
1.0
8.5
6.5
ns
t
PZL
Propagation Delay, Output Enable to Y
(Figure 2)
3.3
5.0
1.5
1.5
8.0
6.0
1.0
1.0
9.0
7.0
ns
t
PHZ
Propagation Delay, Output Enable to Y
(Figure 2)
3.3
5.0
2.0
2.0
9.5
8.0
1.5
1.5
10.0
8.5
ns
t
PLZ
Propagation Delay, Output Enable to Y
(Figure 2)
3.3
5.0
1.5
1.5
8.0
7.0
1.0
1.0
9.0
7.5
ns
C
IN
Maximum Input Capacitance
5.0
4.5
4.5
pF
Typical @25
°
C,V
CC
=5.0 V
50
C
PD
Power Dissipation Capacitance
pF
*
Voltage Range 3.3 V is 3.3 V
±
0.3 V
Voltage Range 5.0 V is 5.0 V
±
0.5 V
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
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