74AHC157-Q100;
74AHCT157-Q100
Quad 2-input multiplexer
Rev. 1 — 4 July 2013
Product data sheet
1. General description
The 74AHC157-Q100; 74AHCT157-Q100 is a high-speed Si-gate CMOS device and is
pin compatible with Low-Power Schottky TTL (LSTTL). It is specified in compliance with
JEDEC standard no. 7A.
The 74AHC157-Q100; 74AHCT157-Q100 is a quad 2-input multiplexer which selects 4
bits of data from two sources under the control of a common data select input (S). The
enable input (E) is active LOW. When E is HIGH, all of the outputs (1Y to 4Y) are forced
LOW regardless of all other input conditions. Moving the data from two groups of registers
to four common output buses is a common use of the 74AHC157-Q100;
74AHCT157-Q100. The state of the common data select input (S) determines the
particular register from which the data comes. It can also be used as function generator.
The device is useful for implementing highly irregular logic by generating any four of the
16 different functions of two variables with one variable common. The 74AHC157-Q100;
74AHCT157-Q100 is logic implementation of a 4-pole, 2-position switch. The logic levels
applied to S, determines the position of the switch.
The logic equations are:
1Y = E (1I1 S + 1I0 S)
2Y = E (2I1 S + 2I0 S)
3Y = E (3I1 S + 3I0 S)
4Y = E (4I1 S + 4I0 S)
This product has been qualified to the Automotive Electronics Council (AEC) standard
Q100 (Grade 1) and is suitable for use in automotive applications.
2. Features and benefits
Automotive product qualification in accordance with AEC-Q100 (Grade 1)
Specified from
40 C
to +85
C
and from
40 C
to +125
C
Balanced propagation delays
All inputs have a Schmitt-trigger action
Inputs accept voltages higher than V
CC
Multiple input enable for easy expansion
Ideal for memory chip select decoding
Input levels:
For 74AHC157-Q100: CMOS level
For 74AHCT157-Q100: TTL level
Nexperia
74AHC157-Q100; 74AHCT157-Q100
Quad 2-input multiplexer
ESD protection:
MIL-STD-883, method 3015 exceeds 2000 V
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V (C = 200 pF, R = 0
)
Multiple package options
3. Ordering information
Table 1.
Ordering information
Package
Temperature range
74AHC157D-Q100
74AHCT157D-Q100
74AHC157PW-Q100
74AHCT157PW-Q100
74AHC157BQ-Q100
74AHCT157BQ-Q100
40 C
to +125
C
DHVQFN16
40 C
to +125
C
TSSOP16
40 C
to +125
C
Name
SO16
Description
plastic small outline package; 16 leads;
body width 3.9 mm
plastic thin shrink small outline package;
16 leads; body width 4.4 mm
Version
SOT109-1
SOT403-1
Type number
plastic dual in-line compatible thermal
SOT763-1
enhanced very thin quad flat package; no
leads; 16 terminals; body 2.5
3.5
0.85 mm
4. Functional diagram
S
E
1I1
1Y
1I0
2I1
2Y
2I0
2
3Y
1I0 1I1 2I0 2I1 3I0 3I1 4I0 4I1
3I0
1
15
4I1
4Y
4I0
mna484
3I1
3
5
6
11
10
14
13
S
E
1Y
4
2Y
7
3Y
9
4Y
12
mna481
Fig 1. Logic diagram
Fig 2. logic symbol
74AHC_AHCT157_Q100
All information provided in this document is subject to legal disclaimers.
©
Nexperia B.V. 2017. All rights reserved
Product data sheet
Rev. 1 — 4 July 2013
2 of 17
Nexperia
74AHC157-Q100; 74AHCT157-Q100
Quad 2-input multiplexer
1
2
3
5
6
11
10
14
13
1I0
1I1
2I0
2Y
2I1
3I0
3I1
4I0
4I1
4Y 12
SELECTOR
MULTIPLEXER
OUTPUTS
7
1Y
4
15
G1
EN
2
3
1
1
MUX
4
3Y
9
5
6
11
10
14
7
9
S
1
E
15
mna483
13
mna482
12
Fig 3. Logic symbol
Fig 4. IEC logic symbol
5. Pinning information
5.1 Pinning
(1) This is not a supply pin. The substrate is attached to
this pad using conductive die attach material. There
is no electrical or mechanical requirement to solder
this pad. However, if it is soldered, the solder land
should remain floating or be connected to GND.
Fig 5. Pin configuration SO16, TSSOP16
Fig 6. Pin configuration DHVQFN16
74AHC_AHCT157_Q100
All information provided in this document is subject to legal disclaimers.
©
Nexperia B.V. 2017. All rights reserved
Product data sheet
Rev. 1 — 4 July 2013
3 of 17
Nexperia
74AHC157-Q100; 74AHCT157-Q100
Quad 2-input multiplexer
5.2 Pin description
Table 2.
Symbol
S
1I0 to 4I0
1I1 to 4I1
1Y to 4Y
GND
E
V
CC
Pin description
Pin
1
2, 5, 11, 14
3, 6, 10, 13
4, 7, 9, 12
8
15
16
Description
common data select input
data inputs from source 0
data inputs from source 1
multiplexer outputs
ground (0 V)
enable input (active LOW)
supply voltage
6. Functional description
Table 3.
Input
E
H
L
L
L
L
[1]
Function table
[1]
Output
S
X
L
L
H
H
nI0
X
L
H
X
X
nI1
X
X
X
L
H
nY
L
L
H
L
H
H = HIGH voltage level;
L = LOW voltage level;
X = don’t care.
74AHC_AHCT157_Q100
All information provided in this document is subject to legal disclaimers.
©
Nexperia B.V. 2017. All rights reserved
Product data sheet
Rev. 1 — 4 July 2013
4 of 17
Nexperia
74AHC157-Q100; 74AHCT157-Q100
Quad 2-input multiplexer
7. Limiting values
Table 4.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol
V
CC
V
I
I
IK
I
OK
I
O
I
CC
I
GND
T
stg
P
tot
Parameter
supply voltage
input voltage
input clamping current
output clamping current
output current
supply current
ground current
storage temperature
total power dissipation
SO16 package
TSSOP16 package
DHVQFN16 package
[1]
[2]
[3]
[4]
Conditions
Min
0.5
0.5
Max
+7.0
+7.0
-
20
25
75
-
+150
500
500
500
Unit
V
V
mA
mA
mA
mA
mA
C
mW
mW
mW
V
I
<
0.5
V
V
O
<
0.5
V or V
O
> V
CC
+ 0.5 V
V
O
=
0.5
V to (V
CC
+ 0.5 V)
[1]
[1]
20
-
-
-
75
65
T
amb
=
40 C
to +125
C
[2]
[3]
[4]
-
-
-
The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
P
tot
derates linearly with 8 mW/K above 70
C.
P
tot
derates linearly with 5.5 mW/K above 60
C.
P
tot
derates linearly with 4.5 mW/K above 60
C.
8. Recommended operating conditions
Table 5.
Recommended operating conditions
Voltages are referenced to GND (ground = 0 V).
Symbol Parameter
V
CC
V
I
V
O
T
amb
t/V
supply voltage
input voltage
output voltage
ambient temperature
input transition rise
and fall rate
V
CC
= 3.3 V
0.3 V
V
CC
= 5.0 V
0.5 V
Conditions
74AHC157-Q100
Min
2.0
0
0
40
-
-
Typ
5.0
-
-
+25
-
-
Max
5.5
5.5
V
CC
+125
100
20
74AHCT157-Q100
Min
4.5
0
0
40
-
-
Typ
5.0
-
-
+25
-
-
Max
5.5
5.5
V
CC
+125
-
20
V
V
V
C
ns/V
ns/V
Unit
74AHC_AHCT157_Q100
All information provided in this document is subject to legal disclaimers.
©
Nexperia B.V. 2017. All rights reserved
Product data sheet
Rev. 1 — 4 July 2013
5 of 17
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