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參數資料
| 型號： | S42WD61SBP |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Dual Voltage Supervisory Circuit With Watchdog Timer |
| 中文描述： | 雙電壓監(jiān)控電路，帶有看門狗定時器 |
| 文件頁數： | 1/16頁 |
| 文件大?。?/td> | 102K |
| 代理商： | S42WD61SBP |
SUMMIT MICROELECTRONICS, Inc. 300 Orchard City Drive, Suite 131 Campbell, CA 95008 Telephone 408-378-6461 Fax 408-378-6586 www.summitmicro.com
1
SUMMIT MICROELECTRONICS, Inc. 2000
2025 6.0 4/17/00
Characteristics subject to change without notice
FEATURES
Precision Dual Voltage Monitor
– V
CC
Supply Monitor
- Dual reset outputs for complex
microcontroller systems
- Integrated memory write lockout function
- No external components required
Second Voltage Monitor Output
– Separate V
LOW
output
– Generates interrupt to MCU
– Generates RESET for dual supply systems
- Guaranteed output assertion to V
CC
- 1V
Watchdog Timer (S42WD42, S42WD61)
– 1.6s
Memory Internally Organized 2 x8
Extended Programmable Functions
Available on SMS24
Dual Voltage Supervisory Circuit
With Watchdog Timer(S42WD61) (S42WD42)
S4242/S42WD42/S4261/S42WD61
High Reliability
– Endurance: 100,000 erase/write cycles
– Data retention: 100 years
OVERVIEW
The S42xxx are a precision power supervisory circuit. It
automatically monitors the device’s V
CC
level and will
generate a reset output on two complementary open drain
outputs. In addition to the V
CC
monitoring, the S42xxx also
provides a second voltage comparator input. This input
has an independent open drain output that can be wire-
OR’ed with the RESET I/O or it can be used as a system
interrupt.
The S42xxx also has an integrated 4k/16k-bit nonvolatile
memory. The memory conforms to the industry standard
two-wire serial interface. In addition to the reset circuitry,
the S42WD42/S42WD61 also has a watchdog timer.
BLOCK DIAGRAM
PROGRAMMABLE
WATCHDOG
TIMER
+
–
GND
VCC
8
4
RESET#
2
VTRIP
RESET
CONTROL
RESET
7
1.26V
SCL
6
SDA
5
2025 T BD 2.0
WRITE
CONTROL
NONVOLATILE
MEMORY
ARRAY
PROGRAMMABLE
RESET PULSE
GENERATOR
+
–
VLOW#
UV
OV
VSENSE
3
1
(S42WD42,
S42WD61)
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| S42WD61SBS | Dual Voltage Supervisory Circuit With Watchdog Timer |
| S42WD61SP | Dual Voltage Supervisory Circuit With Watchdog Timer |
| S42WD61SS | Dual Voltage Supervisory Circuit With Watchdog Timer |
| S42WD42 | Dual Voltage Supervisory Circuit With Watchdog Timer |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| S42WD61SBS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual Voltage Supervisory Circuit With Watchdog Timer |
| S42WD61SP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual Voltage Supervisory Circuit With Watchdog Timer |
| S42WD61SS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual Voltage Supervisory Circuit With Watchdog Timer |
| S43 | 功能描述:撥動開關 4PDT ON-OFF-ON SOLDER LUG RoHS:否 制造商:C&K Components 觸點形式:DPDT 開關功能:ON - ON - ON 電流額定值: 電壓額定值 AC:20 V 電壓額定值 DC:20 V 功率額定值:0.4 VA 端接類型:V-Bracket 安裝風格: 端子密封:Epoxy 觸點電鍍:Gold 照明:Not Illuminated |
| S-43 | 制造商:Nihon Kaiheiki Ind Co Ltd 功能描述:30V 50000 Silver 70 -10 36.5mm 34.2mm 60.3mm |
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