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S42WD42PAP 参数 Datasheet PDF下载

S42WD42PAP图片预览
型号: S42WD42PAP
PDF下载: 下载PDF文件 查看货源
内容描述: 双电压监控电路,看门狗定时器 [Dual Voltage Supervisory Circuit With Watchdog Timer]
分类和应用: 监控
文件页数/大小: 16 页 / 105 K
品牌: SUMMIT [ SUMMIT MICROELECTRONICS, INC. ]
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S4242/S42WD42/S4261/S42WD61
ABSOLUTE MAXIMUM RATINGS
Temperature Under Bias
............................................................................................................................... -40°C to +85°C
Storage Temperature
..................................................................................................................................... -65°C to +125°C
Soldering Temperature (less than 10 seconds) ................................................................................................................... 300°C
Supply Voltage ............................................................................................................................................................. 0 to 6.5V
Voltage on Any Pin ....................................................................................................................................... -0.3V to V
CC
+0.3V
ESD Voltage (JEDEC method) .......................................................................................................................................... 2,000V
NOTE: These are STRESS ratings only. Appropriate conditions for operating these devices are given elsewhere in this specification. Stresses
beyond those listed here may permanently damage the part. Prolonged exposure to maximum ratings may affect device reliability.
RECOMMENDED OPERATING CONDITIONS
Temperature
Commercial
Industrial
Min
0°C
-40°C
Max
+70°C
+85°C
2025 PGM T1.0
DC ELECTRICAL CHARACTERISTICS
(over recommended operating conditions unless otherwise specified)
Symbol
I
CC
I
SB
I
LI
I
LO
V
IL
V
IH
V
OL
Parameter
Supply Current (CMOS)
Standby Current (CMOS)
Input Leakage
Output Leakage
Input Low Voltage
Input High Voltage
Output Low Voltage
Conditions
SCL = CMOS Levels @ 100KHz
SDA = Open
All other inputs = GND or V
CC
SCL = SDA = V
CC
All other inputs = GND
V
IN
= 0 To V
CC
V
OUT
= 0 To V
CC
SCL, SDA, RESET# (pin 2)
SCL, SDA, RESET (pin7)
I
OL
= 3mA SDA
V
CC
=5.5V
V
CC
=3.3V
V
CC
=5.5V
V
CC
=3.3V
Min
Max
3
2
50
25
10
10
0.3xV
CC
0.7xV
CC
0.4
Units
mA
mA
µA
µA
µA
µA
V
V
V
2025 PGM T2.0
AC ELECTRICAL CHARACTERISTICS
(over recommended operating conditions unless otherwise specified)
Symbol
Parameter
SCL Clock Frequency
Clock Low Period
Clock High Period
Bus Free Time
Start Condition Setup Time
Start Condition Hold Time
Stop Condition Setup Time
Clock to Output
Data Out Hold Time
SCL and SDA Rise Time
SCL and SDA Fall Time
Data In Setup Time
Data In Hold Time
Noise Spike Width
@ SCL, SDA Inputs
Write Cycle Time
Noise Suppression Time Constant
SCL Low to SDA Data Out Valid
SCL Low to SDA Data Out Change
Before New Transmission
Conditions
2.7V to 4.5V
Min
0
4.7
4.0
4.7
4.7
4.0
4.7
0.3
0.3
1000
300
250
0
100
10
3.5
Max
100
4.5V to 5.5V
Min
Max
400
1.3
0.6
1.3
0.6
0.6
0.6
0.2
0.2
300
300
100
0
100
10
0.9
Units
KHz
µs
µs
µs
µs
µs
µs
µs
µs
ns
ns
ns
ns
ns
ms
2025 PGM T3.0
f
SCL
t
LOW
t
HIGH
t
BUF
t
SU:STA
t
HD:STA
t
SU:STO
t
AA
t
DH
t
R
t
F
t
SU:DAT
t
HD:DAT
T
I
t
WR
2025 6.0 4/17/00
2