74lv157db NXP Semiconductors, 74lv157db Datasheet - Page 6

• Manufacturer Part Number: 74lv157db
• Description: Quad 2-input Multiplexer
• Manufacturer: NXP Semiconductors

1. Unless otherwise stated, all typical values are measured at T
2. Typical values are measured at V
Philips Semiconductors
AC CHARACTERISTICS
GND = 0V; t
NOTES:
AC WAVEFORMS
V
V
V
output load.
1998 Apr 30
Figure 2. Data inputs (nl
SYMBOL
M
M
OL
t
t
t
t
t
t
PHL/
PHL/
PHL/
PHL/
PHL/
Quad 2-input multiplexer
= 1.5 V at V
= 0.5 V
and V
/
t
t
t
t
t
t
nY OUTPUT
nI
PLH
PLH
PLH
PLH
PLH
nY OUTPUT
0
propagation delays and output transition times.
INPUT
, nI
OH
E INPUT
r
1
GND
Figure 1. Enable input (E) to output (nY)
V
V
V
V
, S
= t
are the typical output voltage drop that occur with the
GND
V
V
V
CC
OH
OL
CC
Propagation delay
nl
nl
nl
Propagation delay
E to nY
Propagation delay
S to nY
CC
OH
CC
OL
f
0
0
1
1
= 2.5ns; C
output (nY) propagation delays.
PARAMETER
at V
to nY;
to nY;
to nY
t
t
PHL
PHL
2.7 V;
g
g
CC
2.7 V.
n
L
V
) and common data select input (S) to
V
= 50pF; R
M
M
y
y
V
V
M
M
CC
WAVEFORM
L
Figures 1 2
Figures 1, 2
Figures 1 2
Figures 1, 2
Figures 1 2
Figures 1, 2
= 3.3 V.
= K
SV00567
SV00568
t
t
PLH
PLH
CONDITION
CONDITION
amb
3.0 to 3.6
3.0 to 3.6
3.0 to 3.6
V
CC
1.2
2.0
2.7
1.2
2.0
2.7
1.2
2.0
2.7
= 25 C
(V)
6
TEST CIRCUIT
GENERATOR
DEFINITIONS
R
C
R
L
L
T
t
PULSE
PLH/
TEST
= Load resistor
= Load capacitance includes jig and probe capacitance
= Termination resistance should be equal to Z
t
Figure 3. Load circuitry for switching times.
PHL
MIN
–40 to +85 C
Test Circuit for switching times
V
I
TYP
12
13
14
R
65
22
16
70
24
18
75
26
19
2.7–3.6V
< 2.7V
T
2
2
2
V
1
CC
LIMITS
D.U.T.
V
MAX
CC
43
31
25
44
33
26
49
36
29
V
2.7V
V
CC
I
–40 to +125 C
V
MIN
O
OUT
C
L
of pulse generators.
Product specification
50pF
MAX
74LV157
51
38
30
54
40
32
60
44
35
SV00901
R
L
= 1k
UNIT
ns
ns
ns
ns
ns
ns