Datasheet > RNA51957A_10

RNA51957A_10

更新时间： 2024-11-11 06:08:31

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
14页	127K
描述
Voltage Detecting, System Resetting IC Series

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Preliminary Datasheet

RNA51957A, B

Voltage Detecting, System Resetting IC Series

REJ03D0912-0402

Rev.4.02

Apr 01, 2010

Description

RNA51957A,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 include a built-in delay circuit to provide the desired retardation time simply by adding an external capacitor.

They fined extensive applications, including battery checking circuit, level detecting circuit and waveform shaping

circuit.

Features



Few external parts

Large delay time with a capacitor of small capacitance (td  100 ms, at 0.33 F)

Low threshold operating voltage (Supply voltage to keep low-state at low supply voltage):

0.6 V (Typ) at RL = 22 k



Wide supply voltage range: 2 V to 17 V

Wide application range

Ordering Information

Taping Abbreviation

Package

Abbreviation

Surface

Treatment

Part Name

Package Type

Package Code

(Quantity)

RNA51957AFPH0

RNA51957APT0

RNA51957BFPH0

RNA51957BPT0

SOP-8 pin

DIP-8 pin

SOP-8 pin

DIP-8 pin

PRSP0008DE-C

PRDP0008AF-B

PRSP0008DE-C

PRDP0008AF-B

H (2,500 pcs / Reel)

T (1,000 pcs / Reel)

H (2,500 pcs / Reel)

T (1,000 pcs / Reel)

0 (Ni/Pd/Au)

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

REJ03D0912-0402 Rev.4.02

Apr 01, 2010

Page 1 of 13

12 3 4 5 6 7...14

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RNA51957APT0	RENESAS	获取价格	Voltage Detecting, System Resetting IC Series
RNA51957B	RENESAS	获取价格	Voltage Detecting, System Resetting IC Series
RNA51957BFPH0	RENESAS	获取价格	Voltage Detecting, System Resetting IC Series
RNA51957BPT0	RENESAS	获取价格	Voltage Detecting, System Resetting IC Series
RNA51958A	RENESAS	获取价格	Voltage Detecting, System Resetting IC Series
RNA51958A_10	RENESAS	获取价格	Voltage Detecting, System Resetting IC Series
RNA51958AFPH0	RENESAS	获取价格	Voltage Detecting, System Resetting IC Series
RNA51958APT0	RENESAS	获取价格	Voltage Detecting, System Resetting IC Series
RNA51958B	RENESAS	获取价格	Voltage Detecting, System Resetting IC Series