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參數(shù)資料
| 型號： | SMS2902S |
| 廠商： | Summit Microelectronics, Inc. |
| 英文描述： | Voltage Supervisory Circuit With Watchdog Timer |
| 中文描述： | 電壓監(jiān)控電路，帶有看門狗定時器 |
| 文件頁數(shù)： | 3/14頁 |
| 文件大小： | 161K |
| 代理商： | SMS2902S |
SMS2902/SMS2904/SMS2916
3
2028 5.1 8/2/00
ABSOLUTE MAXIMUM RATINGS
Temperature Under Bias
Storage Temperature
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.
............................................................................................................................... -40
°
C to +85
°
C
..................................................................................................................................... -65
°
C to +125
°
C
2.7V to 4.5V
4.5V to 5.5V
Symbol
Parameter
Conditions
Min
Max
Min
Max
Units
f
SCL
SCL Clock Frequency
0
100
400
KHz
t
LOW
Clock Low Period
4.7
1.3
μs
t
HIGH
Clock High Period
4.0
0.6
μs
t
BUF
Bus Free Time
Before New Transmission
4.7
1.3
μs
t
SU:STA
Start Condition Setup Time
4.7
0.6
μs
t
HD:STA
Start Condition Hold Time
4.0
0.6
μs
t
SU:STO
Stop Condition Setup Time
4.7
0.6
μs
t
AA
Clock to Output
SCL Low to SDA Data Out Valid
0.3
3.5
0.2
0.9
μs
t
DH
Data Out Hold Time
SCL Low to SDA Data Out Change
0.3
0.2
μs
t
R
SCL and SDA Rise Time
1000
300
ns
t
F
SCL and SDA Fall Time
300
300
ns
t
SU:DAT
Data In Setup Time
250
100
ns
t
HD:DAT
Data In Hold Time
0
0
ns
T
I
Noise Spike Width
@ SCL, SDA Inputs
Noise Suppression Time Constant
100
100
ns
t
WR
Write Cycle Time
10
10
ms
AC ELECTRICAL CHARACTERISTICS
(over recommended operating conditions unless otherwise specified)
2028 PGM T5.0
2028 PGM T4.0
DC ELECTRICAL CHARACTERISTICS
(over recommended operating conditions unless otherwise specified)
Symbol
Parameter
Conditions
Min
Max
Units
SCL = CMOS Levels @ 100KHz
SDA = Open
All other inputs = GND or V
CC
V
CC
=5.5V
3
mA
I
CC
Supply Current (CMOS)
V
CC
=3.3V
V
CC
=5.5V
V
CC
=3.3V
2
mA
μA
μA
I
SB
Standby Current (CMOS)
SCL = SDA = V
All other inputs = GND
50
25
I
LI
Input Leakage
V
IN
= 0 To V
CC
10
μA
I
LO
Output Leakage
V
OUT
= 0 To V
CC
10
μA
V
IL
Input Low Voltage
S0, S1, S2, SCL, SDA, RESET#
0.3xV
CC
V
V
IH
Input High Voltage
S0, S1, S2, SCL, SDA, RESET
0.7xV
CC
V
V
OL
Output Low Voltage
I
OL
= 3mA SDA
0.4
V
Temperature
Commercial
Industrial
Min
0
°
C
-40
°
C
Max
+70
°
C
+85
°
C
RECOMMENDED OPERATING CONDITIONS
2028 PGM T3.0
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| SMS2902S2.7 | Voltage Supervisory Circuit With Watchdog Timer |
| SMS2902SA | Voltage Supervisory Circuit With Watchdog Timer |
| SMS2902SB | Voltage Supervisory Circuit With Watchdog Timer |
| SMS2904S | Voltage Supervisory Circuit With Watchdog Timer |
| SMS2904S2.7 | Voltage Supervisory Circuit With Watchdog Timer |
相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| SMS2902S2.7 | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Voltage Supervisory Circuit With Watchdog Timer |
| SMS2902SA | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Voltage Supervisory Circuit With Watchdog Timer |
| SMS2902SB | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Voltage Supervisory Circuit With Watchdog Timer |
| SMS2904S | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Voltage Supervisory Circuit With Watchdog Timer |
| SMS2904S2.7 | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Voltage Supervisory Circuit With Watchdog Timer |
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