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74AHC157BQ,115

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
74AHC_AHCT157_2 © NXP B.V. 2007. All rights reserved.
Product data sheet Rev. 02 — 9 November 2007 9 of 16
NXP Semiconductors
74AHC157; 74AHCT157
Quad 2-input multiplexer
11. Waveforms
Measurement points are given in Table 8.
V
OL
and V
OH
are typical voltage output levels that occur with the output load.
Fig 7. Propagation delay input (nI0, nI1, S) to output (nYn)
mna486
t
PHL
t
PLH
V
M
V
M
nI0, nI1, S
input
nY output
GND
V
I
V
OH
V
OL
Measurement points are given in Table 8.
V
OL
and V
OH
are typical voltage output levels that occur with the output load.
Fig 8. Propagation delay input (E) to output (nY)
mna485
t
PHL
t
PLH
V
M
V
M
E input
nY output
GND
V
CC
V
OH
V
OL
Table 8. Measurement points
Type Input Output
V
M
V
M
74AHC157 0.5V
CC
0.5V
CC
74AHCT157 1.5 V 0.5V
CC
74AHC_AHCT157_2 © NXP B.V. 2007. All rights reserved.
Product data sheet Rev. 02 — 9 November 2007 10 of 16
NXP Semiconductors
74AHC157; 74AHCT157
Quad 2-input multiplexer
Test data is given in Table 9.
Definitions test circuit:
R
T
= Termination resistance should be equal to output impedance Z
o
of the pulse generator
C
L
= Load capacitance including jig and probe capacitance
R
L
= Load resistor
S1 = Test selection switch
Fig 9. Load circuitry for switching times
V
M
V
M
t
W
t
W
10 %
90 %
0 V
V
I
V
I
negative
pulse
positive
pulse
0 V
V
M
V
M
90 %
10 %
t
f
t
r
t
r
t
f
001aad983
DUT
V
CC
V
CC
V
I
V
O
R
T
R
L
S1
C
L
open
PULSE
GENERATOR
Table 9. Test data
Type Input Load S1 position
V
I
t
r
, t
f
C
L
R
L
t
PHL
, t
PLH
t
PZH
, t
PHZ
t
PZL
, t
PLZ
74AHC157 V
CC
3.0 ns 15 pF, 50 pF 1 kΩ open GND V
CC
74AHCT157 3.0 V 3.0 ns 15 pF, 50 pF 1 kΩ open GND V
CC
74AHC_AHCT157_2 © NXP B.V. 2007. All rights reserved.
Product data sheet Rev. 02 — 9 November 2007 11 of 16
NXP Semiconductors
74AHC157; 74AHCT157
Quad 2-input multiplexer
12. Package outline
Fig 10. Package outline SOT109-1 (SO16)
X
w M
θ
A
A
1
A
2
b
p
D
H
E
L
p
Q
detail X
E
Z
e
c
L
v M
A
(A )
3
A
8
9
1
16
y
pin 1 index
UNIT
A
max.
A
1
A
2
A
3
b
p
cD
(1)
E
(1) (1)
eH
E
LL
p
QZywv θ
REFERENCES
OUTLINE
VERSION
EUROPEAN
PROJECTION
ISSUE DATE
IEC JEDEC JEITA
mm
inches
1.75
0.25
0.10
1.45
1.25
0.25
0.49
0.36
0.25
0.19
10.0
9.8
4.0
3.8
1.27
6.2
5.8
0.7
0.6
0.7
0.3
8
0
o
o
0.25 0.1
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
Note
1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included.
1.0
0.4
SOT109-1
99-12-27
03-02-19
076E07 MS-012
0.069
0.010
0.004
0.057
0.049
0.01
0.019
0.014
0.0100
0.0075
0.39
0.38
0.16
0.15
0.05
1.05
0.041
0.244
0.228
0.028
0.020
0.028
0.012
0.01
0.25
0.01 0.004
0.039
0.016
0 2.5 5 mm
scale
SO16: plastic small outline package; 16 leads; body width 3.9 mm
SOT109-1
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

74AHC157BQ,115

Mfr. #:
Buy 74AHC157BQ,115
Manufacturer:
Nexperia
Description:
Encoders, Decoders, Multiplexers & Demultiplexers 5V QUAD 2-INPUT
Lifecycle:
New from this manufacturer.
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