MM74HCT138N [ONSEMI]
3-8 线路解码器;
| 型号： | MM74HCT138N |
| 厂家： | 
ONSEMI |
| 描述： | 3-8 线路解码器 PC 驱动 输入元件 光电二极管 逻辑集成电路 解码器 |
| 文件： | 总8页 (文件大小：233K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
DATA SHEET
www.onsemi.com
3-to-8 Line Decoder
MM74HCT138
SOIC−16
CASE 751B−05/751BG−01
General Description
The MM74HCT138 decoder utilizes advanced silicon−gate CMOS
technology, and are well suited to memory address decoding or data
routing applications. Both circuits feature high noise immunity and
low power consumption usually associated with CMOS circuitry, yet
have speeds comparable to low power Schottky TTL logic.
The MM74HCT138 have 3 binary select inputs (A, B, and C). If the
device is enabled these inputs determine which one of the eight
normally HIGH outputs will go LOW. Two active LOW and one
active HIGH enables (G1, G2A and G2B) are provided to ease the
cascading decoders.
The decoders’ output can drive 10 low power Schottky TTL
equivalent loads and are functionally and pin equivalent to the
74LS138. All inputs are protected from damage due to static discharge
by diodes to VCC and ground.
MM74HCT devices are intended to interface between TTL and
NMOS components and standard CMOS devices. These parts are also
plug−in replacements for LS−TTL devices and can be used to reduce
power consumption in existing designs.
16
1
TSSOP−16
CASE 948F−01
MARKING DIAGRAM
HCT138A
AWLYWW
SOIC−16
16
HCT
138A
ALYW
Features
1
• TTL Input Compatible
TSSOP−16
• Typical Propagation Delay: 20 ns
• Low Quiescent Current: 160 mA Maximum (74HCT Series)
• Low Input Current: 1 mA Maximum
• Fanout of 10 LS−TTL Loads
• These are Pb−Free Devices
HCT138A = Specific Device Code
A
WL, L
Y
= Assembly Location
= Wafer Lot
= Year
WW, W = Work Week
Connection Diagram
ORDERING INFORMATION
See detailed ordering and shipping information on page 4 of
this data sheet.
Top View
Figure 1. Pin Assignments for SOIC and TSSOP
© Semiconductor Components Industries, LLC, 1999
1
Publication Order Number:
November, 2022 − Rev. 1
MM74HCT138/D
MM74HCT138
TRUTH TABLE
Inputs
Enable
G2
Select
Outputs
Y3
G1
X
(Note 1)
C
X
X
L
B
X
X
L
A
X
X
L
Y0
H
H
L
Y01
H
Y2
H
H
H
H
L
Y4
H
H
H
H
H
H
L
Y5
H
H
H
H
H
H
H
L
Y6
H
H
H
H
H
H
H
H
L
Y7
H
H
H
H
H
H
H
H
H
L
H
X
L
L
L
L
L
L
L
L
H
H
H
H
H
L
L
H
H
H
H
H
H
H
H
H
H
L
L
H
L
H
H
H
H
H
H
H
L
L
H
H
L
H
L
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H = HIGH Level
L = LOW Level
X = Don’t Care
1. G2 = G2A + G2B
Logic Diagram
Figure 2. Logic Diagram
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2
MM74HCT138
ABSOLUTE MAXIMUM RATINGS (Note 2)
Symbol
Parameter
Rating
V
CC
Supply Voltage
–0.5 to +7.0 V
V
IN
DC Input Voltage
–0.5 to V + 0.5 V
CC
V
DC Output Voltage
Clamp Diode Current
DC Output Current, per Pin
–0.5 to V + 0.5 V
OUT
CC
I , I
IK OK
20 mA
25 mA
I
OUT
I
DC V or GND Current, per Pin
50 mA
CC
CC
T
Storage Temperature Range
Power Dissipation
–65°C to +150°C
500 mW
STG
P
S.O. Package Only
D
T
L
Lead Temperature (Soldering 10 Seconds)
260°C
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
2. Unless otherwise specified all voltages are referenced to ground.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min
4.5
0
Max
Unit
V
V
CC
Supply Voltage
5.5
V , V
IN OUT
DC Input or Output Voltage
Operating Temperature Range
Input Rise or Fall Times
V
CC
V
T
A
–55
−
+125
500
°C
ns
t , t
r
f
Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond
the Recommended Operating Ranges limits may affect device reliability.
DC ELECTRICAL CHARACTERISTICS (V = 5 V 10% (unless otherwise specified))
CC
T
= 255C
T
A
= −405C to 855C T = −555C to 1255C
A
A
Typ
Guaranteed Limits
Symbol
Parameter
Conditions
Unit
V
Minimum HIGH
Level Input Voltage
−
2.0
2.0
0.8
2.0
0.8
V
IH
V
Maximum LOW
−
0.8
V
IL
Level Input Voltage
V
OH
Minimum HIGH Level
Output Voltage
V
= V or V
IN IH IL
V
V
− 0.1
V
− 0.1
V − 0.1
CC
V
V
V
|I
| = 20 mA
| = 4.0 mA, V = 4.5 V
| = 4.8 mA, V = 5.5 V
CC
CC
CC
OUT
OUT
OUT
4.2
5.2
3.98
4.98
3.84
4.84
3.7
4.7
|I
|I
CC
CC
V
I
Maximum LOW Level
Voltage
V
= V or V
IN IH IL
OL
0
0.1
0.1
0.1
0.4
0.4
V
V
V
|I
| = 20 mA
| = 4.0 mA, V = 4.5 V
| = 4.8 mA, V = 5.5 V
OUT
OUT
OUT
0.2
0.2
0.26
0.26
0.33
0.33
|I
|I
CC
CC
Maximum Input
Current
V
IN
V
IH
= V or GND,
−
−
−
0.1
8.0
0.3
1.0
1.0
160
0.5
mA
IN
CC
or V
IL
I
Maximum Quiescent
Supply Current
80
V
IN
= V or GND,
CC
= 0 mA
mA
CC
I
OUT
V
IN
= 2.4 V or 0.5 V (Note 3)
0.4
mA
3. This is measured per input pin. All other inputs are held at V or ground.
CC
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3
MM74HCT138
AC ELECTRICAL CHARACTERISTICS (T = 25°C, V = 5.0 V, t = t = 6 ns, C = 15 pF (unless otherwise specified))
A
CC
r
f
L
Symbol
Parameter
Conditions
Typ
20
13
14
13
17
13
Guaranteed Limit
Unit
ns
t
Maximum Propagation Delay, A, B, or C to Output
Maximum Propagation Delay, A, B, or C to Output
Maximum Propagation Delay, G1 to Y Output
35
25
25
25
30
25
PHL
t
ns
PLH
t
ns
PHL
t
Maximum Propagation Delay, G1 to Y Output
ns
PLH
t
Maximum Propagation Delay, G2A or G2B to Y Output
Maximum Propagation Delay, G2A or G2B to Y Output
ns
PHL
t
ns
PLH
AC ELECTRICAL CHARACTERISTICS (V = 5 V 10%, C = 50 pF, t = t = 6 ns (unless otherwise specified))
CC
L
r
f
T
= 255C
T
A
= −405C to 855C T = −555C to 1255C
A
A
Typ
Guaranteed Limits
Symbol
Parameter
Conditions
Unit
t
Maximum Propagation Delay
A, B, or C to Output
24
40
30
30
30
35
50
38
38
38
43
60
45
45
45
52
ns
PHL
t
Maximum Propagation Delay
A, B, or C to Output
18
17
20
23
ns
ns
ns
ns
PLH
t
Maximum Propagation Delay
G1 to Y Output
PHL
t
Maximum Propagation Delay
G1 to Y Output
PLH
t
Maximum Propagation Delay
G2A or G2B to Y Output
PHL
t
Maximum Propagation Delay
G2A or G2B to Y Output
18
30
38
45
ns
PLH
t
, t
Maximum Output Rise and Fall Time
Input Capacitance
−
−
15
5
19
10
−
22
10
−
ns
pF
pF
THL TLH
C
IN
C
Power Dissipation Capacitance
(Note 4)
55
−
PD
2
4. C determines the no load dynamic power consumption, P = C
V
f + I V , and the no load dynamic current consumption,
CC CC
PD
D
PD CC
I
S
= C
V
f + I
.
PD CC
CC
ORDERING INFORMATION
Part Number
†
Package
Shipping
MM74HCT138M
SOIC−16, Case 751B−05
(Pb−Free)
48 Units / Tube
96 Units / Tube
MM74HCT138MTC
MM74HCT138MX
MM74HCT138MTCX
TSSOP−16, Case 948F−01
(Pb−Free)
SOIC−16, Case 751BG−01
(Pb−Free)
2500 Units / Tape & Reel
2500 Units / Tape & Reel
TSSOP−16, Case 948F−01
(Pb−Free)
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
www.onsemi.com
4
MECHANICAL CASE OUTLINE
PACKAGE DIMENSIONS
SOIC−16
CASE 751B−05
ISSUE K
DATE 29 DEC 2006
SCALE 1:1
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
−A−
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.
16
9
8
−B−
P 8 PL
M
S
B
0.25 (0.010)
1
MILLIMETERS
INCHES
MIN
0.386
DIM MIN
MAX
MAX
0.393
0.157
0.068
0.019
0.049
A
B
C
D
F
9.80
3.80
1.35
0.35
0.40
10.00
G
4.00 0.150
1.75 0.054
0.49 0.014
1.25 0.016
F
R X 45
K
_
G
J
1.27 BSC
0.050 BSC
0.19
0.10
0
0.25 0.008
0.25 0.004
0.009
0.009
7
K
M
P
R
C
7
0
_
_
_
_
−T−
SEATING
PLANE
5.80
0.25
6.20 0.229
0.50 0.010
0.244
0.019
J
M
D
16 PL
M
S
S
A
0.25 (0.010)
T B
STYLE 1:
STYLE 2:
STYLE 3:
STYLE 4:
PIN 1. COLLECTOR
2. BASE
3. EMITTER
4. NO CONNECTION
5. EMITTER
6. BASE
7. COLLECTOR
8. COLLECTOR
9. BASE
10. EMITTER
11. NO CONNECTION
12. EMITTER
13. BASE
PIN 1. CATHODE
2. ANODE
3. NO CONNECTION
4. CATHODE
5. CATHODE
6. NO CONNECTION
7. ANODE
8. CATHODE
9. CATHODE
10. ANODE
11. NO CONNECTION
12. CATHODE
13. CATHODE
14. NO CONNECTION
15. ANODE
PIN 1. COLLECTOR, DYE #1
2. BASE, #1
3. EMITTER, #1
4. COLLECTOR, #1
5. COLLECTOR, #2
6. BASE, #2
PIN 1. COLLECTOR, DYE #1
2. COLLECTOR, #1
3. COLLECTOR, #2
4. COLLECTOR, #2
5. COLLECTOR, #3
6. COLLECTOR, #3
7. COLLECTOR, #4
8. COLLECTOR, #4
9. BASE, #4
10. EMITTER, #4
11. BASE, #3
12. EMITTER, #3
13. BASE, #2
7. EMITTER, #2
8. COLLECTOR, #2
9. COLLECTOR, #3
10. BASE, #3
11. EMITTER, #3
12. COLLECTOR, #3
13. COLLECTOR, #4
14. BASE, #4
SOLDERING FOOTPRINT
14. COLLECTOR
15. EMITTER
16. COLLECTOR
14. EMITTER, #2
15. BASE, #1
16. EMITTER, #1
15. EMITTER, #4
16. COLLECTOR, #4
8X
6.40
16. CATHODE
16X
1.12
STYLE 5:
STYLE 6:
STYLE 7:
PIN 1. SOURCE N‐CH
PIN 1. DRAIN, DYE #1
2. DRAIN, #1
3. DRAIN, #2
4. DRAIN, #2
5. DRAIN, #3
6. DRAIN, #3
7. DRAIN, #4
8. DRAIN, #4
9. GATE, #4
PIN 1. CATHODE
2. CATHODE
3. CATHODE
4. CATHODE
5. CATHODE
6. CATHODE
7. CATHODE
8. CATHODE
9. ANODE
2. COMMON DRAIN (OUTPUT)
3. COMMON DRAIN (OUTPUT)
4. GATE P‐CH
5. COMMON DRAIN (OUTPUT)
6. COMMON DRAIN (OUTPUT)
7. COMMON DRAIN (OUTPUT)
8. SOURCE P‐CH
1
16
16X
0.58
9. SOURCE P‐CH
10. SOURCE, #4
11. GATE, #3
12. SOURCE, #3
13. GATE, #2
14. SOURCE, #2
15. GATE, #1
16. SOURCE, #1
10. ANODE
11. ANODE
12. ANODE
13. ANODE
14. ANODE
15. ANODE
16. ANODE
10. COMMON DRAIN (OUTPUT)
11. COMMON DRAIN (OUTPUT)
12. COMMON DRAIN (OUTPUT)
13. GATE N‐CH
14. COMMON DRAIN (OUTPUT)
15. COMMON DRAIN (OUTPUT)
16. SOURCE N‐CH
1.27
PITCH
8
9
DIMENSIONS: MILLIMETERS
Electronic versions are uncontrolled except when accessed directly from the Document Repository.
Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red.
DOCUMENT NUMBER:
DESCRIPTION:
98ASB42566B
SOIC−16
PAGE 1 OF 1
ON Semiconductor and
are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically
disclaims any and all liability, including without limitation special, consequential or incidental damages. ON Semiconductor does not convey any license under its patent rights nor the
rights of others.
© Semiconductor Components Industries, LLC, 2019
www.onsemi.com
MECHANICAL CASE OUTLINE
PACKAGE DIMENSIONS
SOIC−16, 150 mils
CASE 751BG−01
ISSUE O
DATE 19 DEC 2008
SYMBOL
MIN
NOM
MAX
1.35
A
A1
b
1.75
0.25
0.51
0.25
0.10
0.33
0.19
c
D
E
E1
e
9.80
5.80
3.80
9.90
6.00
10.00
6.20
4.00
E1
E
3.90
1.27 BSC
h
0.25
0.40
0º
0.50
1.27
8º
L
θ
PIN#1 IDENTIFICATION
TOP VIEW
D
h
q
A
c
e
b
L
A1
END VIEW
SIDE VIEW
Notes:
(1) All dimensions are in millimeters. Angles in degrees.
(2) Complies with JEDEC MS-012.
Electronic versions are uncontrolled except when accessed directly from the Document Repository.
Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red.
DOCUMENT NUMBER:
DESCRIPTION:
98AON34275E
SOIC−16, 150 MILS
PAGE 1 OF 1
ON Semiconductor and
are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically
disclaims any and all liability, including without limitation special, consequential or incidental damages. ON Semiconductor does not convey any license under its patent rights nor the
rights of others.
© Semiconductor Components Industries, LLC, 2019
www.onsemi.com
MECHANICAL CASE OUTLINE
PACKAGE DIMENSIONS
TSSOP−16
CASE 948F−01
ISSUE B
16
DATE 19 OCT 2006
1
SCALE 2:1
16X KREF
NOTES:
M
S
S
0.10 (0.004)
T U
V
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
S
0.15 (0.006) T U
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION A DOES NOT INCLUDE MOLD
FLASH. PROTRUSIONS OR GATE BURRS.
MOLD FLASH OR GATE BURRS SHALL NOT
EXCEED 0.15 (0.006) PER SIDE.
4. DIMENSION B DOES NOT INCLUDE
INTERLEAD FLASH OR PROTRUSION.
INTERLEAD FLASH OR PROTRUSION SHALL
NOT EXCEED 0.25 (0.010) PER SIDE.
5. DIMENSION K DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.08 (0.003) TOTAL
IN EXCESS OF THE K DIMENSION AT
MAXIMUM MATERIAL CONDITION.
K
K1
16
9
2X L/2
J1
SECTION N−N
B
−U−
L
J
PIN 1
IDENT.
N
6. TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
8
0.25 (0.010)
1
7. DIMENSION A AND B ARE TO BE
DETERMINED AT DATUM PLANE −W−.
M
S
0.15 (0.006) T U
MILLIMETERS
DIM MIN MAX
INCHES
MIN MAX
A
−V−
N
A
4.90
4.30
−−−
5.10 0.193 0.200
4.50 0.169 0.177
B
F
C
1.20
−−− 0.047
D
F
0.05
0.50
0.15 0.002 0.006
0.75 0.020 0.030
DETAIL E
G
H
J
J1
K
K1
L
0.65 BSC
0.026 BSC
0.18
0.09
0.09
0.19
0.19
0.28 0.007 0.011
−W−
0.20 0.004 0.008
0.16 0.004 0.006
0.30 0.007 0.012
0.25 0.007 0.010
C
0.10 (0.004)
6.40 BSC
0.252 BSC
DETAIL E
H
SEATING
PLANE
−T−
M
0
8
0
8
_
_
_
_
D
G
GENERIC
MARKING DIAGRAM*
SOLDERING FOOTPRINT
7.06
16
XXXX
XXXX
ALYW
1
1
XXXX = Specific Device Code
A
L
= Assembly Location
= Wafer Lot
Y
W
= Year
= Work Week
0.65
PITCH
G or G = Pb−Free Package
*This information is generic. Please refer to
device data sheet for actual part marking.
Pb−Free indicator, “G” or microdot “ G”,
may or may not be present.
01.36X6
16X
1.26
DIMENSIONS: MILLIMETERS
Electronic versions are uncontrolled except when accessed directly from the Document Repository.
Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red.
DOCUMENT NUMBER:
DESCRIPTION:
98ASH70247A
TSSOP−16
PAGE 1 OF 1
ON Semiconductor and
are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically
disclaims any and all liability, including without limitation special, consequential or incidental damages. ON Semiconductor does not convey any license under its patent rights nor the
rights of others.
© Semiconductor Components Industries, LLC, 2019
www.onsemi.com
onsemi,
, and other names, marks, and brands are registered and/or common law trademarks of Semiconductor Components Industries, LLC dba “onsemi” or its affiliates
and/or subsidiaries in the United States and/or other countries. onsemi owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property.
A listing of onsemi’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf. onsemi reserves the right to make changes at any time to any
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information, product features, availability, functionality, or suitability of its products for any particular purpose, nor does onsemi assume any liability arising out of the application or use
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and applications using onsemi products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information
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SMBus Multi-Output Power-Supply ControllerWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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SI9136_11
Multi-Output Power-Supply ControllerWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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VISHAY
SI9130CG-T1-E3
Pin-Programmable Dual Controller - Portable PCsWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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SI9130LG-T1-E3
Pin-Programmable Dual Controller - Portable PCsWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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VISHAY
SI9130_11
Pin-Programmable Dual Controller - Portable PCsWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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SI9137
Multi-Output, Sequence Selectable Power-Supply Controller for Mobile ApplicationsWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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VISHAY
SI9137DB
Multi-Output, Sequence Selectable Power-Supply Controller for Mobile ApplicationsWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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VISHAY
SI9137LG
Multi-Output, Sequence Selectable Power-Supply Controller for Mobile ApplicationsWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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VISHAY
SI9122E
500-kHz Half-Bridge DC/DC Controller with Integrated Secondary Synchronous Rectification DriversWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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VISHAY
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