MC74HC158 Motorola Semiconductor, MC74HC158 Datasheet - Page 3

• Manufacturer Part Number: MC74HC158
• Description: Quad 2-Input Data Selector / Multiplexer
• Manufacturer: Motorola Semiconductor

High–Speed CMOS Logic Data
DL129 — Rev 6
NOTE: For propagation delays with loads other than 50 pF, and information on typical parametric values, see Chapter 2 of the Motorola High–
* Used to determine the no–load dynamic power consumption: P D = C PD V CC 2 f + I CC V CC . For load considerations, see Chapter 2 of the
AC CHARACTERISTICS
Motorola High–Speed CMOS Data Book (DL129/D).
Output Enable
Input Aor B
Symbol
t PLH ,
t PLH ,
t PLH ,
t TLH ,
Output Y
t PHL
t PHL
t PHL
t THL
C PD
C PD
C in
Output Y
Speed CMOS Data Book (DL129/D).
t PHL
t r
t PLH
t r
Power Dissipation Capacitance (Per Package)*
Power Dissipation Capacitance (Per Package)*
Maximum Propagation Delay, Input A or B to Output Y
(Figures 3 and 5)
Maximum Propagation Delay, Select to Output Y
(Figures 3 and 5)
Maximum Propagation Delay, Output Enable to Output Y
(Figures 4 and 5)
Maximum Output Transition Time, Any Output
(Figures 2 and 5)
Maximum Input Capacitance
t THL
t TLH
10%
50%
10%
10%
90%
50%
50%
90%
(C L = 50 pF, Input t r = t f = 6 ns)
Figure 1.
Figure 3.
90%
50%
10%
90%
Parameter
t f
t f
SWITCHING WAVEFORMS
t PLH
t TLH
t PHL
t THL
V CC
GND
V CC
GND
3
Output Y
Select
t PHL
t r
V CC
V CC
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
Figure 2. Y versus Select, Inverted
V
V
*Includes all probe and jig capacitance
t THL
–55 to 25 C
10%
Figure 4. Test Circuit
DEVICE
UNDER
TEST
50%
125
125
115
Typical @ 25 C, V CC = 5.0 V
25
21
25
21
23
20
75
15
13
10
90%
Guaranteed Limit
90%
50%
OUTPUT
10%
85 C
155
155
145
35
31
26
31
26
29
25
95
19
16
10
POINT
TEST
MC54/74HC158
C L *
t f
125 C
190
190
175
110
38
32
38
32
35
30
22
19
10
MOTOROLA
t PLH
t TLH
Unit
ns
ns
ns
ns
pF
pF
pF
V CC
GND