M74HC154 查看數據表（PDF） - STMicroelectronics
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M74HC154 Datasheet PDF : 8 Pages
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M74HC154
INPUT AND OUTPUT EQUIVALENT CIRCUIT
IEC LOGIC SYMBOLS
PIN DESCRIPTION
PIN No
1, 2, 3, 4, 5,
6, 7, 8, 9, 10,
11, 13, 14,
15, 16, 17
18, 19
SYMBOL
Y0 to Y15
G1, G2
23, 22, 21, 20
12
24
A to D
GND
VCC
NAME AND FUNCTION
Outputs (Active LOW)
Enable Inputs (Active
LOW)
Address Inputs
Ground (0V)
Positive Supply Voltage
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 isnotimplied.
(*) 500 mW: ≅ 65 oC derate to 300 mW by 10mW/oC: 65 oC to 85 oC
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