74hc253a IK Semicon Co., Ltd, 74hc253a Datasheet - Page 4

• Manufacturer Part Number: 74hc253a
• Description: Dual 4-input Data Selector/multiplexer With 3-state Otputs
• Manufacturer: IK Semicon Co., Ltd

AC ELECTRICAL CHARACTERISTICS
t
t
t
t
t
Symbol
PLH
PLH
TLH
PLZ
PZL
C
C
C
OUT
, t
, t
, t
, t
, t
PD
IN
PHZ
PZH
PHL
PHL
THL
Figure 1. Switching Waveforms
Maximum Propagation Delay, Data to
Output Y (Figures 1 and 3)
Maximum Propagation Delay , Address to
Output Y (Figures 1 and 3)
Maximum Propagation Delay ,Output Enable to
Output Y (Figures 2 and 4)
Maximum Propagation Delay ,Output Enable to
Output Y (Figures 2 and 4)
Maximum Output Transition Time, Any Output
(Figures 1 and 3)
Maximum Input Capacitance
Maximum Three-State Output Capacitance
(Output in High-Impedance State)
Power Dissipation Capacitance (Per Muliplexer)
Used to determine the no-load dynamic power
consumption:
P
D
=C
PD
V
CC
2
f+I
CC
V
CC
Parameter
(C
L
=50pF,Input t
V
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
V
-
-
Figure 2. Switching Waveforms
CC
Typical @25°C,V
r
=t
-55°C
25 °C
f
=6.0 ns)
140
175
150
100
28
24
35
30
30
26
20
17
75
15
13
10
15
to
Guaranteed Limit
31
≤85°C
175
220
190
125
35
30
44
37
38
33
25
21
95
19
16
10
15
CC
=5.0 V
≤125°C
210
265
225
150
110
42
36
53
45
45
38
30
26
22
19
10
15
IN74HC253A
Rev. 00
Unit
pF
pF
pF
ns
ns
ns
ns
ns