M51945B Renesas Electronics Corporation., M51945B Datasheet
M51945B
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M51945B Summary of contents
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M51945A,B/M51946A,B Voltage Detecting, System Resetting IC Series 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 ...
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M51945A,B/M51946A,B Block Diagram M51945A, B Power- supply 25µA Typ – Input + 1.25V GND Operating Waveform M51945A, B 1.25V H L REJ03D0774-0300 Rev.3.00 Sep 18, 2007 Page Built-in Load B: Open Collector Output Input 1.25V 1.25V ...
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... Power dissipation Pd Thermal derating Kθ Operating temperature Topr Storage temperature Tstg Input voltage range V IN Electrical Characteristics • “L” reset type M51945A, M51945B • “H” reset type M51946A, M51946B Item Symbol Min Detecting voltage V 1.20 S ∆V Hysteresis voltage S Detecting voltage V /∆ ...
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M51945A,B/M51946A,B Typical Characteristics Thermal Derating (Maximum Rating) 500 5-pin SIP 8-pin SOP 400 (PRSP0008DE-C) : recommend 8-pin SOP 300 (PRSP0008DA-A) : not recommend 200 100 Ambient Temperature Ta (°C) Detection Voltage vs. Supply Voltage (Input ...
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... When a negative supply voltage is used, the supply voltage side of M5194xx and the GND side are connected to GND and the negative supply voltage respectively. REJ03D0774-0300 Rev.3.00 Sep 18, 2007 Page Circuit Current vs. Supply Voltage (M51945B, M51946B) 800 600 Ta = –30°C 400 Ta = 25°C 200 Ta = 85° ...
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M51945A,B/M51946A,B Notice for use About the Power Supply Line 1. About bypass capacitor Because the ripple and the spike of the high frequency noise and the low frequency are superimposed to the power supply line necessary to remove ...
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M51945A,B/M51946A,B Independent Input M51945 Vin M51946 GND Example 1. Independent power supply system Please do enough verifying about transition characteristic of V and Calculation of detecting voltage Detecting voltage Vs can be ...
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... M51945A,B/M51946A,B Setting of Output Load Resistance (M51945B/M51946B) High level output voltage can be set without depending on the power-supply voltage because the output terminal is an open collector type. However, please guard the following notes. 1. Please set it in value ( within the range of the power-supply voltage recommendation. ...
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M51945A,B/M51946A,B Package Dimensions 5P5T EIAJ Package Code JEDEC Code – SIP5-P-240-2. SEATING PLANE JEITA Package Code RENESAS Code P-SOP8-4.4x4.85-1.27 PRSP0008DE Index mark REJ03D0774-0300 Rev.3.00 Sep 18, 2007 Page Weight(g) ...
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M51945A,B/M51946A,B JEITA Package Code RENESAS Code P-SOP8-4.4x5-1.27 PRSP0008DA Index mark * REJ03D0774-0300 Rev.3.00 Sep 18, 2007 Page Previous Code MASS[Typ.] 8P2S-A 0.07g NOTE) 1. DIMENSIONS "*1" ...
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Notes: 1. This document is provided for reference purposes only so that Renesas customers may select the appropriate Renesas products for their use. Renesas neither makes warranties or representations with respect to the accuracy or completeness of the information contained ...