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M74HCT139B1R bảng dữ liệu(PDF) 2 Page - STMicroelectronics

tên linh kiện M74HCT139B1R
Giải thích chi tiết về linh kiện  DUAL 2 TO 4 DECODER/DEMULTIPLEXER
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
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PIN DESCRIPTION
PIN No
SYMBOL
NAME AND FUNCTION
1, 15
1G, 2G
Enable Inputs
2, 3
1A, 1B
Address Inputs
4, 5, 6, 7
1Y0 to 1Y3
Outputs
12, 11, 10, 9
2Y0 to 2Y3
Outputs
14, 13
2A, 2B
Address Inputs
8
GND
Ground (0V)
16
VCC
Positive Supply Voltage
IEC LOGIC SYMBOLS
SCHEMATIC CIRCUIT
TRUTH TABLE
INPUTS
OUTPUTS
SELECTED
OUTPUT
ENABLE SELECT
Y0
Y1
Y2
Y3
GB
A
H
X
X
H
H
H
H
NONE
L
LLL
H
H
H
Y0
LL
H
H
L
H
H
Y1
LH
L
H
H
L
H
Y2
L
HHHHH
L
Y3
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC
Supply Voltage
-0.5 to +7
V
VI
DC Input Voltage
-0.5 to VCC + 0.5
V
VO
DC Output Voltage
-0.5 to VCC + 0.5
V
IIK
DC Input Diode Current
± 20
mA
IOK
DC Output Diode Current
± 20
mA
IO
DC Output Source Sink Current Per Output Pin
± 25
mA
ICC or IGND
DC VCC or Ground Current
± 50
mA
PD
Power Dissipation
500 (*)
mW
Tstg
Storage Temperature
-65 to +150
oC
TL
Lead Temperature (10 sec)
300
oC
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.
(*) 500 mW:
≅ 65 oC derate to 300 mW by 10mW/oC: 65 oCto 85 oC
M54/M74HCT139
2/9


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