M74HC294 데이터 시트보기 (PDF) - STMicroelectronics
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M74HC294 Datasheet PDF : 11 Pages
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M74HC294
FUNCTIONAL TABLE
PROGRAMMING INPUTS
D
C
B
A BINARY
L
L
L
L Inhibit
L
L
L
H Inhibit
L
L
H
L 22
L
L
H
H 23
L
H
L
L 24
L
H
L
H 25
L
H
H
L 26
L
H
H
H 27
H
L
L
L 28
H
L
L
H 29
H
L
H
L 210
H
L
H
H 211
H
H
L
L 212
H
H
L
H 213
H
H
H
L 214
H
H
H
H 215
FREQUENCY DIVISION
Q
TP
DECIMAL BINARY
Inhibit Inhibit
Inhibit Inhibit
4 29
8 29
16 29
32 29
64 29
128 Disabled Low
256 22
512 23
1.024 24
2.048 25
4.096 26
8.192 27
16.384 28
32.768 29
DECIMAL
Inhibit
Inhibit
512
512
512
512
512
4
8
16
32
64
128
256
512
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 Current
± 25
mA
ICC or IGND DC VCC or Ground Current
± 50
mA
PD
Power Dissipation
500(*)
mW
Tstg Storage Temperature
-65 to +150
°C
TL
Lead Temperature (10 sec)
300
°C
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied
(*) 500mW at 65 °C; derate to 300mW by 10mW/°C from 65°C to 85°C
4/11
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