MAX6889ETJ datasheet(8/40 Pages) MAXIM

Part #	MAX6889ETJ

Description	EEPROM-Programmable, Octal/Hex/Quad, Power-Supply Sequencers/Supervisors

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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8 / 40 page

EEPROM-Programmable, Octal/Hex/Quad,

Power-Supply Sequencers/Supervisors

8

_______________________________________________________________________________________

Pin Description

MAX6889

MAX6890

MAX6891

NAME

FUNCTION

111

PO2

Programmable Output 2. Configurable, active-high, active-low, open-drain, or

weak pullup output. PO2 pulls low with a 10µA internal current sink for 1V < VCC

< VUVLO. PO2 assumes its programmed conditional output state when VCC

exceeds undervoltage lockout (UVLO) of 2.5V.

222

PO3

Programmable Output 3. Configurable, active-high, active-low, open-drain, or

weak pullup output. PO3 pulls low with a 10µA internal current sink for 1V < VCC

< VUVLO. PO3 assumes its programmed conditional output state when VCC

exceeds undervoltage lockout (UVLO) of 2.5V.

333

PO4

Programmable Output 4. Configurable, active-high, active-low, open-drain, or

weak pullup output. PO4 pulls low with a 10µA internal current sink for 1V < VCC

< VUVLO. PO4 assumes its programmed conditional output state when VCC

exceeds undervoltage lockout (UVLO) of 2.5V.

4

GND

Ground

555

PO5

Programmable Output 5. Configurable, active-high, active-low, open-drain, or

weak pullup output. PO5 pulls low with a 10µA internal current sink for 1V < VCC

< VUVLO. PO5 assumes its programmed conditional output state when VCC

exceeds undervoltage lockout (UVLO) of 2.5V.

6

—

PO6

Programmable Output 6. Configurable, active-high, active-low, open-drain, or

weak pullup output. PO6 pulls low with a 10µA internal current sink for 1V < VCC

< VUVLO. PO6 assumes its programmed conditional output state when VCC

exceeds undervoltage lockout (UVLO) of 2.5V.

7

—

PO7

Programmable Output 7. Configurable, active-high, active-low, open-drain, or

weak pullup output. PO7 pulls low with a 10µA internal current sink for 1V < VCC

< VUVLO. PO7 assumes its programmed conditional output state when VCC

exceeds undervoltage lockout (UVLO) of 2.5V.

8

—

PO8

Programmable Output 8. Configurable, active-high, active-low, open-drain, or

weak pullup output. PO8 pulls low with a 10µA internal current sink for 1V < VCC

< VUVLO. PO8 assumes its programmed conditional output state when VCC

exceeds undervoltage lockout (UVLO) of 2.5V.

9

—

PO9

Programmable Output 9. Configurable, active-high, active-low, open-drain, or

weak pullup output. PO9 pulls low with a 10µA internal current sink for +1V <

VCC < VUVLO. PO9 assumes its programmed conditional output state when VCC

exceeds undervoltage lockout (UVLO) of 2.5V.

10

—

PO10

Programmable Output 10. Configurable, active-high, active-low, open-drain, or

weak pullup output. PO10 pulls low with a 10µA internal current sink for 1V <

VCC < VUVLO. PO10 assumes its programmed conditional output state when VCC

exceeds undervoltage lockout (UVLO) of 2.5V.

11

9

6

MARGIN

Margin Input.

MARGIN holds PO_ in its existing state when MARGIN is driven

low. Leave

MARGIN unconnected or connect to DBP if unused. MARGIN

overrides

MR if both assert at the same time. MARGIN is internally pulled up to

DBP through a 10µA current source.

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