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M51945B 参数 Datasheet PDF下载

M51945B图片预览
型号: M51945B
PDF下载: 下载PDF文件 查看货源
内容描述: 电压检测,设备重新启动IC系列 [Voltage Detecting, System Resetting IC Series]
分类和应用:
文件页数/大小: 11 页 / 144 K
品牌: RENESAS [ RENESAS TECHNOLOGY CORP ]
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M51945A,B/M51946A,B
Voltage Detecting, System Resetting IC Series
REJ03D0774-0200
Rev.2.00
Aug 20, 2007
Description
M51945A,B/M51946A,B are semiconductor integrated circuits for resetting of all types of logic circuits such as CPUs,
and has the feature of setting the detection voltage by adding external resistance.
They fined extensive applications, including battery checking circuit, level detecting circuit and waveform shaping
circuit.
Features
Few external parts
Low threshold operating voltage (Supply voltage to keep low-state at low supply voltage):
0.6 V (Typ) at R
L
= 22 kΩ
Wide supply voltage range: 2 V to 17 V
Wide application range
Application
Reset circuit of Pch, Nch, CMOS, microcomputer, CPU and MCU, Reset of logic circuit, Battery check circuit,
switching circuit back-up voltage, level detecting circuit, waveform shaping circuit, delay waveform generating
circuit, DC/DC converter, over voltage protection circuit
Recommended Operating Condition
Supply voltage range: 2 V to 17 V
Pin Arrangement
M51945AL/BL
M51946AL/BL
5 Output
4 NC
3 GND
NC 3
2 Input
1 Power-supply
(Top view)
Outline: 5P5T
GND 4
(Top view)
NC: No Connection
Outline: PRSP0008DE-C (recommend)
PRSP0008DA-A (8P2S-A) (not recommend for new design)
5 NC
6 Output
NC 1
Input 2
M51945AFP/BFP
M51946AFP/BFP
8 NC
7 Power-supply
REJ03D0774-0200 Rev.2.00 Aug 20, 2007
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