方案
按技术分类
EEPROM Memory | N84C163
概览
N84C163 是一款用于基于微控制器的系统的完整内存和监督方案。带硬件内存写入保护的 EEPROM 串行 16-Kb CPU 监督器、带欠电压保护的系统电源监督器以及监督计时器采用低功耗 CMOS 工艺进行集成。内存接口通过 I²C 总线实现。如果软件或硬件故障导致系统暂停或“挂起”，1.6 秒监督电路则将系统返回已知正常状态。N84C163 监督器监控专用 WDI 引脚。该电源监控电路保护内存和系统控制器，并在电源通电/关断期间以及针对欠电压情况对其进行重置。五个重置阈值电压支持 5.0 V、3.3 V 和 3.0 V 系统。如果电源电压超出容限范围，重置信号则变为有效状态，阻止系统微控制器、ASIC 或外围设备运行。重置信号通常在电源电压超过重置阈值水平 200 ms 之后变为无效状态。通过有效高电平和低电平重置信号联接微控制器和其他集成电路非常简单。另外，重置引脚可用作按钮手动重置能力的防反跳输入。N84C163 内存具有 16 字节页。另外，硬件数据保护由写入保护引脚 WP 和 VCC 感应电路提供，在 VCC 降至重置阈值以下或 VCC 在通电期间尚未达到重置阈值之前阻止写入内存。
应用
- Industrial control
- Medical systems
- Mass storage
- Printers
特性
- Watchdog monitors SDA signal
- 400 kHz I²C bus compatible
- 2.7 V to 6.0 V operation
- Low power CMOS technology
- 16-Byte page write buffer
- Built-in inadvertent write protection
— VCC lock out
— Write protect pin, WP - Active high or low reset
— Precision power supply voltage monitor
— 5V, 3.3V and 3V systems
— Five threshold voltage options - 1,000,000 Program/Erase cycles
- Manual Reset
- 100 Year data retention
- 8-pin SOIC
- Commercial and industrial temperature ranges
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N84C163WD25TG
Last Shipments
Pb
A
H
P
SOIC-8
1
260
REEL
3000
N
Serial
16 kb
2k x 8
I2C
400
1000
2.7
6
50
1
-40
85
Price N/A
More Details
N84C163WD28TG
Last Shipments
Pb
A
H
P
SOIC-8
1
260
REEL
3000
N
Serial
16 kb
2k x 8
I2C
400
1000
2.7
6
50
1
-40
85
Price N/A
More Details
N84C163WD30TG
Last Shipments
Pb
A
H
P
SOIC-8
1
260
REEL
3000
N
Serial
16 kb
2k x 8
I2C
400
1000
2.7
6
50
1
-40
85
Price N/A
More Details
N84C163WD42TG
Last Shipments
Pb
A
H
P
SOIC-8
1
260
REEL
3000
N
Serial
16 kb
2k x 8
I2C
400
1000
2.7
6
50
1
-40
85
Price N/A
More Details
N84C163WD45TG
Last Shipments
Pb
A
H
P
SOIC-8
1
260
REEL
3000
N
Serial
16 kb
2k x 8
I2C
400
1000
2.7
6
50
1
-40
85
Price N/A
More Details
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