MAX6953_V01 datasheet(3/23 Pages) MAXIM

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2-Wire Interfaced, 2.7V to 5.5V, 4-Digit 5 ✕ 7

Matrix LED Display Driver

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DC ELECTRICAL CHARACTERISTICS (continued)

(Typical operating circuit, V+ = 3.0V to 5.5V, TA = TMIN to TMAX, unless otherwise noted.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Segment Current Slew Rate

∆ISEG/∆tTA = +25oC

12.5

mA/µs

Segment Drive Current

Matching (Within IC)

∆ISEG

TA = +25°C

LOGIC INPUTS

Input High Voltage

SDA, SCL, AD0, AD1

VIH

0.7 x

V+

Input Low Voltage

SDA, SCL, AD0, AD1

VIL

0.3 ✕

V+

Input Hysteresis

SDA, SCL, AD0, AD1

VHYST

0.05 ✕

V+

Input Leakage Current

IIL, IIH

-2

µA

Input Capacitance

DIGITAL OUTPUT

SDA Output Low Voltage

VOLSDA

ISINK = 4mA

0.4

BLINK Output Low Voltage

VOLBK

ISINK = 1.6mA

0.4

MAX6953 TIMING CHARACTERISTICS

(V+ = 2.7V to 5.5V, TA = TMIN to TMAX, unless otherwise noted.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Serial Clock Frequency

fSCL

400

kHz

Bus Free Time Between a STOP

and a START Condition

tBUF

1.3

µs

Hold Time (Repeated) START

Condition

tHD, STA

0.6

µs

Repeated START Condition

Setup Time

tSU, STA

0.6

µs

STOP Condition Setup Time

tSU, STO

0.6

µs

Data Hold Time

tHD, DAT

(Note 3)

0.9

µs

Data Setup Time

tSU, DAT

100

SCL Clock Low Period

tLOW

1.3

µs

SCL Clock High Period

tHIGH

0.6

µs

Rise Time of Both SDA and SCL

Signals, Receiving

(Notes 2, 4)

20 +

0.1CB

300

Fall Time of Both SDA and SCL

Signals, Receiving

(Notes 2, 4)

20 +

0.1CB

300

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