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PT7M1818

Pericom Semiconductor Corporation
Part Number PT7M1818
Manufacturer Pericom Semiconductor Corporation
Description Supervisory Circuit
Published Jul 23, 2016
Detailed Description PT7M1818/1813 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||...
Datasheet PDF File PT7M1818 PDF File

PT7M1818
PT7M1818

Overview
PT7M1818/1813 |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Supervisory Circuit Features  Highly accurate: 1.
5% (25°C)  Accurate power monitoring: 2.
5V, 2.
9V, 3.
0V (PT7M1818), and 4.
1, 4.
3, 4.
6V (PT7M1813)  Operating voltage range: 1.
0V ~ 5.
5V  Operating temperature range: -40°C to + 85°C  Detect voltage temperature characteristics: 2.
5%  TYP  Efficient open-drain output with internal 5k pull-up resistor  Maintains reset for 200ms after VCC returns to an in- tolerance condition Description The series are designed to monitor power supplies in µP and digital systems.
It provides excellent circuit reliability and low cost by eliminating external components and adjustments.
This device performs a single function: it asserts a reset signal whenever the VCC supply voltage falls below a preset threshold.
Reset remains asserted for 200ms after VCC has risen above the reset threshold.
PT7M1818/1813 are bidirectional output, allowing it to be directly connected to µP with bidirectional reset inputs.
Pin Configuration PT7M1818/1813 1 RST GND 3 2 VCC SOT23-3 Pin Description Name Type RST GND VCC I/O P P Description Reset Output and Pushbutton Input: RST is asserted when VCC drops below voltage threshold VTH-.
Active low.
When other devices pull RST low, the reset condition occurs and will remain a reset timeout period after the external signal is off.
Ground Supply Voltage.
2014-08-0010 PT0190-7 09/11/14 1 |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Maximum Ratings Storage Temperature -65oC...


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