MAX6889 datasheet(5/40 Pages) MAXIM

Part #	MAX6889

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

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Manufacturer	MAXIM [Maxim Integrated Products]

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EEPROM-Programmable, Octal/Hex/Quad,

Power-Supply Sequencers/Supervisors

_______________________________________________________________________________________

5

ELECTRICAL CHARACTERISTICS (continued)

(VIN1 = 6.5V to 13.2V, VIN2–VIN7 = 2.7V to 5.5V, VIN8 = 10V, GPI_ = GND, MARGIN = MR = DBP, TA = -40°C to +85°C, unless other-

wise noted. Typical values are at TA = +25°C.) (Notes 1, 2, 3)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

000

5.625

6.25

6.875

001

22.5

25

27.5

010

90

100

110

011

360

400

440

ms

100

1.44

1.60

1.76

101

5.76

6.40

7.04

110

23.04

25.60

28.16

Watchdog Timeout Period

tWD

Register contents

(Table 21)

111

92.16

102.40

112.64

s

SERIAL INTERFACE LOGIC (SDA, SCL, A0, A1)

Logic-Input Low Voltage

VIL

0.8

V

Logic-Input High Voltage

VIH

2.0

V

Input Leakage Current

ILKG

-1

+1

µA

Output Low Voltage

VOL

ISINK = 3mA

0.4

V

Input/Output Capacitance

CI/O

10

pF

SERIAL INTERFACE TIMING CHARACTERISTICS (Figure 3)

(IN1 = GND, VIN2–VIN7 = 2.7V to 5.5V, VIN8 = 10V, GPI_ = GND, MARGIN = MR = DBP, TA = -40°C to +85°C, unless otherwise

noted. Typical values are at TA = +25°C.) (Notes 1, 2, 3)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Serial Clock Frequency

fSCL

400

kHz

Clock Low Period

tLOW

1.3

µs

Clock High Period

tHIGH

0.6

µs

Bus-Free Time

tBUF

1.3

µs

START Setup Time

tSU:STA

0.6

µs

START Hold Time

tHD:STA

0.6

µs

STOP Setup Time

tSU:STO

0.6

µs

Data In Setup Time

tSU:DAT

100

ns

Data In Hold Time

tHD:DAT

30

900

ns

Receive SCL/SDA Minimum

Rise Time

tR

(Note 5)

20 + 0.1

x CBUS

ns

Receive SCL/SDA Maximum

Rise Time

tR

(Note 5)

300

ns

Receive SCL/SDA Minimum

Fall Time

tF

(Note 5)

20 + 0.1

x CBUS

ns

Receive SCL/SDA Maximum

Fall Time

tF

(Note 5)

300

ns

Transmit SDA Fall Time

tF

CBUS = 400pF

20 + 0.04

x CBUS

300

ns

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