M74HC157F1R [STMICROELECTRONICS]
HC158 QUAD 2 CHANNEL MULTIPLEXER INV. HC157 QUAD 2 CHANNEL MULTIPLEXER; HC158 QUAD 2通道多路复用器INV 。 HC157 QUAD 2通道多路复用器型号: | M74HC157F1R |
厂家: | ST |
描述: | HC158 QUAD 2 CHANNEL MULTIPLEXER INV. HC157 QUAD 2 CHANNEL MULTIPLEXER |
文件: | 总11页 (文件大小:253K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
M54HC157/158
M74HC157/158
HC157 QUAD 2 CHANNEL MULTIPLEXER
HC158 QUAD 2 CHANNEL MULTIPLEXER (INV.)
.
.
.
.
.
.
.
.
HIGH SPEED
tPD = 10 ns (TYP.) AT VCC = 5 V
LOW POWER DISSIPATION
ICC = 4 µA (MAX.) AT TA = 25 °C
HIGH NOISE IMMUNITY
VNIH = VNIL = 28 % VCC (MIN.)
OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
SYMMETRICAL OUTPUT IMPEDANCE
IOH = IOL = 4 mA (MIN.)
BALANCED PROPAGATION DELAYS
tPLH = tPHL
WIDE OPERATING VOLTAGE RANGE
B1R
(Plastic Package)
F1R
(Ceramic Package)
M1R
(Micro Package)
C1R
(Chip Carrier)
VCC (OPR) = 2 V TO 6 V
PIN AND FUNCTION COMPATIBLE
WITH 54/74LS157/158
ORDER CODES :
M54HCXXXF1R
M74HCXXXB1R
M74HCXXXM1R
M74HCXXXC1R
PIN CONNECTIONS (top view)
HC157
DESCRIPTION
The M54/74HC157 and the M54/74HC158 are high
speed CMOS QUAD 2-CHANNEL MULTI-
PLEXER’s fabricated with silicon gate C2MOS tech-
nology. They achieve the high speed operation
similar to equivalent LSTTL while maintaining the
CMOS low power dissipation.
HC158
These devices consist of four 2-input digital multi-
plexers with common select and strobe inputs. The
HC158 is an inverting multiplexer while the HC157
is a non-inverting multiplexer. When the STROBE
input is held High, selection of data is inhibited and
all the outputs become Low in the M74HC157 and
High in the M74HC158. The SELECT decoding
determines whether the A or B inputs get routed to
their corresponding Y outputs. All inputs are
equipped with protection circuits against static dis-
charge and transient excess voltage.
NC =
No Internal
Connection
February 1993
1/11
M54/M74HC157 M54/M74HC158
CHIP CARRIER
HC157
HC158
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION (for HC157)
PIN DESCRIPTION (for HC158)
PIN No
SYMBOL
NAME AND FUNCTION
PIN No
SYMBOL
NAME AND FUNCTION
1
SELECT
Common Data Select
Input
1
SELECT
Common Data Select
Input
2, 5, 11, 14
3, 6, 10, 13
1A to 4A
1B to 4B
Data Inputs From
Source A
2, 5, 11, 14
3, 6, 10, 13
1A to 4A
1B to 4B
Data Inputs From
Source A
Data Inputs From
Source B
Data Inputs From
Source B
4, 7, 9, 12
1Y to 4Y
STROBE
GND
Multiplexer Output
Strobe Input
4, 7, 9, 12
1Y to 4Y
STROBE
GND
Multiplexer Output
Strobe Input
15
8
15
8
Ground (0V)
Ground (0V)
16
VCC
Positive Supply Voltage
16
VCC
Positive Supply Voltage
2/11
M54/M74HC157 M54/M74HC158
TRUTH TABLE
INPUTS
OUTPUTS
STROBE
SELECT
A
X
L
B
X
X
X
L
Y (HC157)
Y (HC158)
H
L
L
L
X
L
L
L
H
H
L
L
H
X
X
H
L
H
H
H
L
L
H
H
X: DON’T CARE
IEC LOGIC SYMBOL
HC157
HC158
LOGIC DIAGRAM
HC157
HC158
3/11
M54/M74HC157 M54/M74HC158
ABSOLUTE MAXIMUM RATINGS
Symbol
VCC
VI
Parameter
Value
-0.5 to +7
-0.5 to VCC + 0.5
-0.5 to VCC + 0.5
± 20
Unit
V
Supply Voltage
DC Input Voltage
DC Output Voltage
V
VO
V
IIK
DC Input Diode Current
mA
mA
mA
mA
mW
oC
IOK
DC Output Diode Current
± 20
IO
DC Output Source Sink Current Per Output Pin
± 25
ICC or IGND DC VCC or Ground Current
± 50
PD
Tstg
TL
Power Dissipation
500 (*)
Storage Temperature
Lead Temperature (10 sec)
-65 to +150
300
oC
Absolute MaximumRatingsare those values beyond whichdamage tothe device may occur. Functional operation under these condition isnotimplied.
(*) 500 mW: 65 oC derate to 300 mW by 10mW/oC: 65 oC to 85 oC
RECOMMENDED OPERATING CONDITIONS
Symbol
VCC
VI
Parameter
Value
2 to 6
Unit
V
Supply Voltage
Input Voltage
Output Voltage
0 to VCC
0 to VCC
V
VO
V
Top
Operating Temperature: M54HC Series
M74HC Series
-55 to +125
-40 to +85
oC
oC
tr, tf
Input Rise and Fall Time
VCC = 2 V
VCC = 4.5 V
VCC = 6 V
0 to 1000
0 to 500
0 to 400
ns
4/11
M54/M74HC157 M54/M74HC158
DC SPECIFICATIONS
Test Conditions
VCC
Value
TA = 25 oC
54HC and 74HC
Min. Typ. Max. Min. Max. Min. Max.
-40 to 85 oC -55 to 125 oC
Symbol
Parameter
Unit
74HC
54HC
(V)
VIH
High Level Input
Voltage
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
4.5
6.0
1.5
3.15
4.2
1.5
3.15
4.2
1.5
3.15
4.2
V
V
VIL
Low Level Input
Voltage
0.5
1.35
1.8
0.5
1.35
1.8
0.5
1.35
1.8
VOH
High Level
Output Voltage
1.9
4.4
5.9
2.0
4.5
6.0
1.9
4.4
1.9
4.4
VI =
VIH
or
IO=-20 µA
V
V
5.9
5.9
VIL
IO=-4.0 mA 4.18 4.31
4.13
5.63
4.10
5.60
IO=-5.2 mA 5.68
5.8
0.0
0.0
0.0
VOL
Low Level Output 2.0
Voltage
0.1
0.1
0.1
0.1
0.1
0.1
0.1
VI =
VIH
or
IO= 20 µA
4.5
6.0
4.5
6.0
0.1
0.1
VIL
IO= 4.0 mA
IO= 5.2 mA
0.17 0.26
0.18 0.26
±0.1
0.33
0.33
±1
0.40
0.40
±1
II *
ICC
Input Leakage
6.0
VI = VCC or GND
µA
µA
Current
Quiescent Supply 6.0 VI = VCC or GND
Current IO =0
4
40
80
* Applicable only to DIR, G, G input
5/11
M54/M74HC157 M54/M74HC158
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6 ns)
Test Conditions
Value
TA = 25 oC
54HC and 74HC
-40 to 85 oC -55 to 125 oC
Symbol
Parameter
Unit
VCC
(V)
74HC
54HC
Min. Typ. Max. Min. Max. Min. Max.
tTLH
tTHL
Output Transition
Time
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
30
8
75
15
95
19
110
22
ns
ns
ns
ns
7
13
16
19
tPLH
tPHL
Propagation
Delay Time
(A, B - Y)
30
12
10
50
16
14
36
12
10
5
100
20
125
25
150
30
17
21
26
tPLH
tPHL
Propagation
Delay Time
(SELECT - Y)
125
25
155
31
190
38
21
26
32
tPLH
tPHL
Propagation
Delay Time
(STROBE - Y)
115
23
145
29
175
35
20
25
30
CIN
Input Capacitance
10
10
10
pF
pF
CPD (*) Power Dissipation
Capacitance
47
(*) CPD isdefined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load.
(Refer to Test Circuit). Average operting current can be obtained by the followingequation. ICC(opr) = CPD • VCC • fIN + ICC/4 (per channel)
SWITCHING CHARACTERISTICS TEST CIR-
CUIT
TEST CIRCUIT ICC (Opr.)
INPUT WAVEFORM IS THE SAME AS THAT IN CASE OF
SWITCHINGCHARACTERISTICSTEST.
6/11
M54/M74HC157 M54/M74HC158
Plastic DIP16 (0.25) MECHANICAL DATA
mm
inch
TYP.
DIM.
MIN.
0.51
0.77
TYP.
MAX.
MIN.
0.020
0.030
MAX.
a1
B
b
1.65
0.065
0.5
0.020
0.010
b1
D
E
e
0.25
20
0.787
8.5
2.54
17.78
0.335
0.100
0.700
e3
F
7.1
5.1
0.280
0.201
I
L
3.3
0.130
Z
1.27
0.050
P001C
7/11
M54/M74HC157 M54/M74HC158
Ceramic DIP16/1 MECHANICAL DATA
mm
inch
TYP.
DIM.
MIN.
TYP.
MAX.
20
MIN.
MAX.
0.787
0.276
A
B
7
D
E
3.3
0.130
0.700
0.38
0.015
e3
F
17.78
2.29
0.4
2.79
0.55
1.52
0.31
1.27
10.3
8.05
5.08
0.090
0.016
0.046
0.009
0.020
0.110
0.022
0.060
0.012
0.050
0.406
0.317
0.200
G
H
L
1.17
0.22
0.51
M
N
P
7.8
0.307
Q
P053D
8/11
M54/M74HC157 M54/M74HC158
SO16 (Narrow) MECHANICAL DATA
mm
inch
TYP.
DIM.
MIN.
TYP.
MAX.
1.75
0.2
MIN.
MAX.
0.068
0.007
0.064
0.018
0.010
A
a1
a2
b
0.1
0.004
1.65
0.46
0.25
0.35
0.19
0.013
0.007
b1
C
0.5
0.019
c1
D
45° (typ.)
9.8
5.8
10
0.385
0.228
0.393
0.244
E
6.2
e
1.27
8.89
0.050
0.350
e3
F
3.8
4.6
0.5
4.0
5.3
0.149
0.181
0.019
0.157
0.208
0.050
0.024
G
L
1.27
0.62
M
S
8° (max.)
P013H
9/11
M54/M74HC157 M54/M74HC158
PLCC20 MECHANICAL DATA
mm
inch
TYP.
DIM.
MIN.
9.78
8.89
4.2
TYP.
MAX.
10.03
9.04
MIN.
0.385
0.350
0.165
MAX.
0.395
0.356
0.180
A
B
D
4.57
d1
d2
E
2.54
0.56
0.100
0.022
7.37
8.38
0.290
0.330
0.004
e
1.27
5.08
0.38
0.050
0.200
0.015
e3
F
G
0.101
M
M1
1.27
1.14
0.050
0.045
P027A
10/11
M54/M74HC157 M54/M74HC158
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No
license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specificationsmentioned
in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied.
SGS-THOMSON Microelectronicsproductsare notauthorized foruse ascritical componentsin life support devices or systems without express
written approval of SGS-THOMSON Microelectonics.
1994 SGS-THOMSON Microelectronics - All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands -
Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A
11/11
相关型号:
M74HC157M1
HC/UH SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, GULLWING, PLASTIC, DIP-16
STMICROELECTR
M74HC158B1N
HC/UH SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, PDIP16, PLASTIC, DIP-16
STMICROELECTR
M74HC158C1
HC/UH SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, PQCC20, PLASTIC, CC-20
STMICROELECTR
M74HC158M1
HC/UH SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, PDSO16, GULLWING, PLASTIC, DIP-16
STMICROELECTR
©2020 ICPDF网 联系我们和版权申明