74HC595 查看數據表（PDF） - STMicroelectronics
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74HC595 Datasheet PDF : 13 Pages
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M54/M74HC595
PIN DESCRIPTION
PIN No
1, 2, 3, 4, 5,
6, 7, 15
9
10
11
13
14
12
8
16
SYMBOL
QA to QH
QH’
SCLR
SCK
G
SI
RCK
GND
VCC
NAME AND FUNCTION
Data Outputs
Serial Data Outputs
Shift Register Clear
Input
Shift Register Clock
Input
Output Enable Input
Serial Data Input
Storage Register Clock
Input
Ground (0V)
Positive Supply Voltage
IEC LOGIC SYMBOL
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 Per Output Pin QA-QH
± 35
mA
IO
DC Output Current Per Output Pin QH’
± 25
mA
ICC or IGND DC VCC or Ground Current
± 70
mA
PD
Power Dissipation
500 (*)
mW
Tstg
Storage Temperature
TL
Lead Temperature (10 sec)
-65 to +150
oC
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
RECOMMENDED OPERATING CONDITIONS
Symbol
VCC
VI
VO
Top
tr, tf
Parameter
Supply Voltage
Input Voltage
Output Voltage
Operating Temperature: M54HC Series
M74HC Series
Input Rise and Fall Time
VCC = 2 V
VCC = 4.5 V
VCC = 6 V
Value
2 to 6
0 to VCC
0 to VCC
-55 to +125
-40 to +85
0 to 1000
0 to 500
0 to 400
Unit
V
V
V
oC
oC
ns
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