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부품번호 | MC74AC157 기능 |
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기능 | Quad 2-Input Multiplexer | ||
제조업체 | ON Semiconductor | ||
로고 | |||
전체 9 페이지수
MC74AC157, MC74ACT157
Quad 2-Input Multiplexer
The MC74AC157/74ACT157 is a high−speed quad 2−input
multiplexer. Four bits of data from two sources can be selected using
the common Select and Enable inputs. The four outputs present the
selected data in the true (non−inverted) form.
The MC74AC157/74ACT157 can also be used as a function
generator.
Features
• Outputs Source/Sink 24 mA
• ′ACT157 Has TTL Compatible Inputs
• These are Pb−Free Devices
VCC E I0c I1c Zc I0d I1d Zd
16 15 14 13 12 11 10 9
12345678
S I0a I1a Za I0b I1b Zb GND
Figure 1. Pinout: 16−Lead Packages Conductors
(Top View)
TRUTH TABLE
Inputs
E S I0 I1
HXXX
L HX L
LHXH
LLLX
L LHX
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Outputs
Z
L
L
H
L
H
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16
1
16
1
MARKING
DIAGRAMS
16
SOIC−16
D SUFFIX
CASE 751B
1
xxx157G
AWLYWW
TSSOP−16
DT SUFFIX
CASE 948F
16
xxx
157
ALYWG
G
1
xxx = AC or ACT
A = Assembly Location
WL or L = Wafer Lot
Y = Year
WW or W = Work Week
G or G = Pb−Free Package
(Note: Microdot may be in either location)
PIN NAMES
PIN
I0a−I0d
I1a−I1d
E
S
Za−Zd
FUNCTION
Source 0 Data Inputs
Source 0 Data Inputs
Enable Input
Select Input
Outputs
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 6 of this data sheet.
© Semiconductor Components Industries, LLC, 2015
January, 2015 − Rev. 8
1
Publication Order Number:
MC74AC157/D
MC74AC157, MC74ACT157
DC CHARACTERISTICS
Symbol
Parameter
VIH Minimum High Level
Input Voltage
VIL Maximum Low Level
Input Voltage
VOH Minimum High Level
Output Voltage
74AC
74AC
VCC
(V)
TA = +25°C
TA =
−40°C to
+85°C
Typ Guaranteed Limits
3.0 1.5 2.1
4.5 2.25 3.15
5.5 2.75 3.85
2.1
3.15
3.85
3.0 1.5 0.9
4.5 2.25 1.35
5.5 2.75 1.65
0.9
1.35
1.65
3.0 2.99 2.9
4.5 4.49 4.4
5.5 5.49 5.4
2.9
4.4
5.4
Unit
V
V
V
VOL Maximum Low Level
Output Voltage
3.0 − 2.56
4.5 − 3.86
5.5 − 4.86
3.0 0.002 0.1
4.5 0.001 0.1
5.5 0.001 0.1
2.46
3.76
4.76
0.1
0.1
0.1
V
V
3.0 − 0.36
4.5 − 0.36
5.5 − 0.36
0.44
0.44
0.44
V
IIN Maximum Input
Leakage Current
5.5 − ±0.1
±1.0
mA
IOLD
IOHD
ICC
†Minimum Dynamic
Output Current
Maximum Quiescent
Supply Current
5.5 − −
5.5 − −
5.5 − 8.0
75
−75
80
mA
mA
mA
*All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
NOTE: IIN and ICC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V VCC.
Conditions
VOUT = 0.1 V
or VCC − 0.1 V
VOUT = 0.1 V
or VCC − 0.1 V
IOUT = −50 mA
*VIN = VIL or VIH
−12 mA
IOH −24 mA
−24 mA
IOUT = 50 mA
*VIN = VIL or VIH
12 mA
IOL 24 mA
24 mA
VI = VCC, GND
VOLD = 1.65 V Max
VOHD = 3.85 V Min
VIN = VCC or GND
AC CHARACTERISTICS (For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
74AC
74AC
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
Min Typ Max
TA = −40°C
to +85°C
CL = 50 pF
Min Max
Unit
Fig.
No.
Propagation Delay
tPLH
S to Zn
tPHL
Propagation Delay
S to Zn
tPLH
Propagation Delay
E to Zn
tPHL
Propagation Delay
En to Zn
tPLH
Propagation Delay
In to Zn
tPHL
Propagation Delay
In to Zn
*Voltage Range 3.3 V is 3.3 V ±0.3 V.
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
3.3 1.5 7.0 11.5 1.5 13.0
5.0 1.5 5.5 9.0 1.5 10.0
3.3 1.5 6.5 11.0 1.5 12.0
5.0 1.5 5.0 8.5 1.0 9.5
3.3 1.5 7.0 11.5 1.5 13.0
5.0 1.5 5.5 9.0 1.5 10.0
3.3 1.5 6.5 11.0 1.5 12
5.0 1.5 5.5 9.0 1.0 9.5
3.3 1.5 5.0 8.5 1.0 9.0
5.0 1.5 4.0 6.5 1.0 7.0
3.3 1.5 5.0 8.0 1.0 9.0
5.0 1.5 4.0 6.5 1.0 7.0
ns
ns
ns
ns
ns
ns
3−6
3−6
3−6
3−6
3−5
3−5
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4
4페이지 MC74AC157, MC74ACT157
PACKAGE DIMENSIONS
−A−
16
1
SOIC−16
D SUFFIX
CASE 751B−05
ISSUE K
9
−B− P 8 PL
8 0.25 (0.010) M B S
−T− SEATING
PLANE
G
K
C
D 16 PL
0.25 (0.010) M T B S A S
R X 45_
F
MJ
SOLDERING FOOTPRINT*
8X
6.40
16X 1.12
1 16
16X
0.58
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE MOLD
PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006) PER SIDE.
5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR PROTRUSION
SHALL BE 0.127 (0.005) TOTAL IN EXCESS OF THE D
DIMENSION AT MAXIMUM MATERIAL CONDITION.
MILLIMETERS
INCHES
DIM MIN MAX MIN MAX
A 9.80 10.00 0.386 0.393
B 3.80 4.00 0.150 0.157
C 1.35 1.75 0.054 0.068
D 0.35 0.49 0.014 0.019
F 0.40 1.25 0.016 0.049
G 1.27 BSC
0.050 BSC
J 0.19 0.25 0.008 0.009
K 0.10 0.25 0.004 0.009
M 0_ 7_ 0_ 7_
P 5.80 6.20 0.229 0.244
R 0.25 0.50 0.010 0.019
1.27
PITCH
89
DIMENSIONS: MILLIMETERS
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
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7
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부품번호 | 상세설명 및 기능 | 제조사 |
MC74AC151 | 1-of-8 Decoder / Demultiplexer | ON Semiconductor |
MC74AC153 | Dual 4-Input Multiplexer | ON Semiconductor |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |