PT7A7533W Pericom Semiconductor, PT7A7533W Datasheet

PT7A7533W

Manufacturer Part Number

PT7A7533W

Description

Manufacturer

Pericom Semiconductor

Datasheet

1.PT7A7533W.pdf (14 pages)

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Features

• Precision supply-voltage monitor

• 200ms reset pulse width

• Debounced TTL/CMOS-compatible manual-

reset input

• Independent watchdog timer 1.6sec time-out (not

• Reset output signal:

• Voltage monitor for power-fail or low battery warning

• Guaranteed RESET/RESET valid at V

PT0082L(03/06)

- 4.63V (PT7A7511, 7521, 7531)

- 4.38V (PT7A7512, 7522, 7532)

- 3.08V (PT7A7513, 7523, 7533)

- 2.93V (PT7A7514, 7524, 7534)

- 2.63V (PT7A7515, 7525, 7535)

available for PT7A7531 - 7535)

- Active-low only (PT7A7511 - 7515)

- Active-high only (PT7A7521 - 7525)

- Active-high and active-low (PT7A7531 - 7535)

= 1.2V

Discription

The PT7A751X/752X/753X family microprocessor ( P)

supervisory circuits are targeted to improve reliability and

accuracy of power-supply circuitry in P’s systems.

These devices reduce the complexity and number of

components required to monitor power-supply and battery

functions.

The main functions are:

1. Asserting reset output during power-up, power-down

and brownout conditions for P system;

2. Detecting power failure or low-battery conditions with

a 1.25V threshold detector;

3. Watchdog functions (not for PT7A753x).

Applications

• Power-supply circuitry in P systems

PT7A7511-7515/7521-7525/7531-7535

P Supervisor Circuits

Data Sheet

Ver:4

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PT7A7533W Pericom Semiconductor, PT7A7533W Datasheet

PT7A7533W

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