M51954B RENESAS [Renesas Technology Corp], M51954B Datasheet
M51954B
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M51954B Summary of contents
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M51953A,B/M51954A,B Voltage Detecting, System Resetting IC Series Description M51953A,B/M51954A,B are semiconductor integrated circuits designed for detecting supply voltage and resetting all types of logic circuits such as CPUs. They include a built-in delay circuit to provide the desired retardation time ...
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M51953A,B/M51954A,B Block Diagram M51953A, B Power- A: Built-in Load supply B: Open Collector 5µA R1 Typ – – 1.25V GND Delay capacitor Operating Waveform M51953A, B 4.25V 0.65V Output td ≈ 0.34 × Cd(pF) µs ...
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... Output voltage V O Power dissipation Pd Thermal derating Kθ Operating temperature Topr Storage temperature Tstg Electrical Characteristics • “L” reset type M51953A, M51953B • “H” reset type M51954A, M51954B Item Symbol Min Detecting voltage V 4.05 S ∆V Hysteresis voltage S Detecting voltage V /∆ ...
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M51953A,B/M51954A,B Typical Characteristics Thermal Derating (Maximum Rating) 500 5-pin SIP 8-pin SOP 400 (PRSP0008DE-C) : recommend 300 200 100 Ambient Temperature Ta (°C) Delay Capacitance vs. Delay Time (M5195xx, External delay capacitor type ...
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... Supply voltage detecting "L" reset type : Except above mentioned : 0.2 0 Output Sink Current Isink (mA) Circuit Current vs. Ambient Temperature (M51953B, M51954B) 700 600 500 400 300 200 100 0 –40 – Ambient Temperature Ta (°C) REJ03D0776-0200 Rev.2.00 Aug 20, 2007 Page – ...
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M51953A,B/M51954A,B Example of Application Circuit Reset Circuit of M5195xx Series M51953x M51954x GND Notes: 1. When the detecting supply voltage is 4.25 V, M51951, M51952, M51953 and M51954 are used. In this case, R and R are not necessary. 1 ...
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M51953A,B/M51954A,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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M51953A,B/M51954A,B Characteristic Graph 1 Reaction Time vs. Delay Capacitance (Example data) 1000 200 100 10 1 0.01 0.1 1 Delay Capacitance Cd (µF) Setting of Output Load Resistance (M51953B/M51954) High level output voltage can be set without depending on the ...
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M51953A,B/M51954A,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 REJ03D0776-0200 Rev.2.00 Aug 20, 2007 Page Weight(g) ...
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M51953A,B/M51954A,B JEITA Package Code RENESAS Code P-SOP8-4.4x5-1.27 PRSP0008DA Index mark * REJ03D0776-0200 Rev.2.00 Aug 20, 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 ...