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M51945A

Voltage Detecting, System Resetting IC Series

Renesas Electronics 

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 (2 V to 17 V) within the range of the power-supply voltage recommendation.

Moreover, please never impress the voltage of maximum ratings 18 V or more even momentarily either.

2. Please set output load resistance (pull-up resistance) RL so that the output current (output inflow current IL) at L

level may become 4 mA or less. Moreover, please never exceed absolute maximum rating (6 mA).

VCC (2V to 17V)

RL

6

IL ≤ 4mA

Figure 6 Output Load Resistance RL

Others

1. Notes when IC is handled are published in our reliability handbook, and please refer it.

The reliability handbook can be downloaded from our homepage (following URL).

http://www.renesas.com/fmwk.jsp?cnt=reliability_root.jsp&fp=/products/common_info/reliability

2. Additionally, please inquire of our company when there is an uncertain point on use.

REJ03D0774-0200 Rev.2.00 Aug 20, 2007

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