參數(shù)資料
型號(hào)： S4261P2.7S
廠(chǎng)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(mén)狗定時(shí)器
文件頁(yè)數(shù)： 1/16頁(yè)
文件大?。?/td> 102K
代理商： S4261P2.7S
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)
相關(guān)PDF資料
PDF描述
S4261PAP Dual Voltage Supervisory Circuit With Watchdog Timer
S4261PAS Dual Voltage Supervisory Circuit With Watchdog Timer
S4261PBP Dual Voltage Supervisory Circuit With Watchdog Timer
S4261PBS Dual Voltage Supervisory Circuit With Watchdog Timer
S4261PP Dual Voltage Supervisory Circuit With Watchdog Timer
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S4261PAP 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:Dual Voltage Supervisory Circuit With Watchdog Timer
S4261PAS 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:Dual Voltage Supervisory Circuit With Watchdog Timer
S4261PBP 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:Dual Voltage Supervisory Circuit With Watchdog Timer
S4261PBS 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:Dual Voltage Supervisory Circuit With Watchdog Timer
S4261PP 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:Dual Voltage Supervisory Circuit With Watchdog Timer
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