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HC138 の電気的特性と機能

HC138のメーカーはSystem Logic Semiconductorです、この部品の機能は「1-of-8 Decoder/Demultiplexer」です。


製品の詳細 ( Datasheet PDF )

部品番号 HC138
部品説明 1-of-8 Decoder/Demultiplexer
メーカ System Logic Semiconductor
ロゴ System Logic Semiconductor ロゴ 




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HC138 Datasheet, HC138 PDF,ピン配置, 機能
SL74HC138
1-of-8 Decoder/Demultiplexer
High-Performance Silicon-Gate CMOS
The SL74HC138 is identical in pinout to the LS/ALS138. The device
inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LS/ALSTTL outputs.
The SL74HC138 decodes a three-bit Address to one-of-eight active-
low outputs. This device features three Chip Select inputs, two active-
low and one active-high to facilitate the demultiplexing, cascading, and
chip-selecting functions. The demultiplexing function is accomplished
by using the Address inputs to select the desired device output; one
of the Chip Selects is used as a data input while the other Chip Selects
are held in their active states.
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2.0 to 6.0 V
Low Input Current: 1.0 µA
High Noise Immunity Characteristic of CMOS Devices
ORDERING INFORMATION
SL74HC138N Plastic
SL74HC138D SOIC
TA = -55° to 125° C for all packages
PIN ASSIGNMENT
LOGIC DIAGRAM
PIN 16 =VCC
PIN 8 = GND
SLS
System Logic
Semiconductor
FUNCTION TABLE
Inputs
Outputs
CS1CS2CS3 A2 A1A0
Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7
XXH
XHX
LXX
XXX
XXX
XXX
H H H HHHHH
H H H HHHHH
H H H HHHHH
HLL
HLL
HLL
HLL
LLL
LLH
LHL
LHH
L H H HHHHH
H L H HHHHH
H H L HHHHH
H H H LHHHH
HLL
HLL
HLL
HLL
HLL
HLH
HHL
HHH
H H H HLHHH
H H H HHLHH
H H H HHHLH
H H H HHHHL
H = high level (steady state)
L = low level (steady state)
X = don’t care

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HC138 pdf, ピン配列
SL74HC138
DC ELECTRICAL CHARACTERISTICS(Voltages Referenced to GND)
Symbol
Parameter
Test Conditions
VIH Minimum High-Level VOUT=0.1 V or VCC-0.1 V
Input Voltage
IOUT≤ 20 µA
VIL Maximum Low -Level VOUT=0.1 V or VCC-0.1 V
Input Voltage
IOUT ≤ 20 µA
VOH Minimum High-Level VIN=VIH or VIL
Output Voltage
IOUT ≤ 20 µA
VIN=VIH or VIL
IOUT ≤ 4.0 mA
IOUT ≤ 5.2 mA
VOL Maximum Low-Level VIN=VIH or VIL
Output Voltage
IOUT ≤ 20 µA
VIN=VIH or VIL
IOUT ≤ 4.0 mA
IOUT ≤ 5.2 mA
IIN Maximum Input
Leakage Current
VIN=VCC or GND
ICC Maximum Quiescent VIN=VCC or GND
Supply Current
IOUT=0µA
(per Package)
VCC Guaranteed Limit
V 25 °C 85 125 Unit
to °C °C
-55°C
2.0 1.5 1.5 1.5
4.5 3.15 3.15 3.15
6.0 4.2 4.2 4.2
V
2.0 0.5 0.5 0.5
4.5 1.35 1.35 1.35
6.0 1.8 1.8 1.8
V
2.0 1.9
4.5 4.4
6.0 5.9
1.9 1.9
4.4 4.4
5.9 5.9
V
4.5 3.98 3.84 3.7
6.0 5.48 5.34 5.2
2.0 0.1
4.5 0.1
6.0 0.1
0.1 0.1
0.1 0.1
0.1 0.1
V
4.5 0.26 0.33 0.4
6.0 0.26 0.33 0.4
6.0 ±0.1 ±1.0 ±1.0 µA
6.0 4.0
40 160 µA
SLS
System Logic
Semiconductor


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共有リンク

Link :


部品番号部品説明メーカ
HC138

HIGH SPEED TRANSISTOR OPTOCOUPLERS

QT Optoelectronics
QT Optoelectronics
HC138

1-of-8 Decoder/Demultiplexer

System Logic Semiconductor
System Logic Semiconductor
HC13R5

(HC1xR5) Oscillator

Connor-Winfield
Connor-Winfield


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