FM1233B中文资料PDF规格书
FM1233B规格书详情
General Description
The FM1233B is a supervisor circuit that monitors a microprocessor power supply or other system voltage and issues a reset pulse when a fault condition exists. Several different threshold voltages are offered to accommodate 5V systems with different tolerances.
The device features a precision temperature-compensated voltage reference and comparator. When VCC falls to the threshold voltage, a RESET pulse is issued, holding the output in the active state. When power rises above VTH, the reset remains for approximately 250 ms to allow the system clock and other circuits to stabilize. The reset output of FM1233B is of open-drain active low type.
The FM1233B also can monitor a switch closure on its output, enabling it to recognize an external reset from a pushbutton switch or a µP. In the case of a switch, the closure will be debounced by circuitry internal to the FM1233B.
Features
■ Precision monitoring of 5V and lower voltage microprocessor systems
■ VTH values of 4.62V, 4.38V and 4.12V
■ Automatic restart of microprocessor after power failure
■ 140ms (min) power-on RESET delay (typ.: 256ms)
■ Internal 5kΩ pull-up resistor
■ Other reset choices available: 32 to 128ms
■ Operating Temperature -40°C to +105°C
■ Monitors external pushbutton override
■ Internal switch debounce circuitry
■ SOT23-3 package
产品属性
- 型号:
FM1233B
- 制造商:
FAIRCHILD
- 制造商全称:
Fairchild Semiconductor
- 功能描述:
3-Pin レC Supervisor Circuit
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
FAIRCHILD/仙童 |
22+ |
SOT-23 |
12000 |
只做原装、原厂优势渠道、假一赔十 |
询价 | ||
FAIRCHILD/仙童 |
21+ROHS |
SOT-23 |
10000 |
原厂授权一级代理,专业海外优势订货,价格优势、品种 |
询价 | ||
FAIRCHILD/仙童 |
23+ |
SOT-23 |
6000 |
只有原装正品,老板发话合适就出 |
询价 | ||
ONSEMI |
23/22+ |
NA |
9000 |
代理渠道.实单必成 |
询价 | ||
FAIRCHILD/仙童 |
SOT23-3 |
265209 |
假一罚十原包原标签常备现货! |
询价 | |||
onsemi(安森美) |
23+ |
SOT23(TO236) |
7350 |
现货供应,当天可交货!免费送样,原厂技术支持!!! |
询价 | ||
FAIRCHILD/仙童 |
23+ |
NA/ |
5250 |
原装现货,当天可交货,原型号开票 |
询价 | ||
FAIRCHILD/仙童 |
23+ |
SOT23-3 |
50000 |
全新原装正品现货,支持订货 |
询价 | ||
特价处理 |
21+ |
SOT23-3 |
840 |
原装现货假一赔十 |
询价 | ||
FAIRCHILD |
SOT-23 |
250 |
询价 |