MAX6955APL(2002) 데이터 시트보기 (PDF) - Maxim Integrated

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MAX6955APL
(Rev.:2002)

2-Wire Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan

Maxim Integrated 

2-Wire Interfaced, 2.7V to 5.5V LED Display

Driver with I/O Expander and Key Scan

DC ELECTRICAL CHARACTERISTICS (continued)

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

PARAMETER

Segment Drive Source Current

Segment Current Slew Rate

Segment Drive Current Matching

LOGIC INPUTS AND OUTPUTS

Input High Voltage

SDA, SCL, AD0, AD1

SYMBOL

ISEG

∆ISEG/∆t

∆ISEG

CONDITIONS

VLED = 2.2V,

V+ = 3.3V

VLED = 2.2V,

V+ = 2.7V

TA = +25°C

TA = +25°C, V+ = 3.3V

TA = +25°C, V+ = 3.3V

VIH

MIN

-32

0.7 x

V+

Input Low Voltage

SDA, SCL, AD0, AD1

VIL

Input Leakage Current

SDA, SCL, AD0, AD1, OSC, P0,

IIH, IIL

-1

P1, P2, P3, P4

SDA Output Low Voltage

Port Logic-High Input Voltage

P0, P1, P2, P3, P4

VOLSDA

VIHP

ISINK = 6mA

0.7 x

V+

Port Logic-Low Input Voltage

P0, P1, P2, P3, P4

VILP

Port Hysteresis Voltage

P0, P1, P2, P3, P4

∆VIP

Port Input Pullup Current from V+

IIPU

P0 to P3 configured as key-scan inputs,

V+ = 3.3V

Port Output Low Voltage

Blink Output Low Voltage

VOLP

VOLBK

ISINK = 8mA

ISINK = 0.6mA

OSC_OUT Output High Voltage

VOHOSC ISOURCE = 1.6mA

V+ -

0.4

OSC_OUT Output Low Voltage

VOLOSC ISINK = 1.6mA

TYP

-40

11

5

0.03 x

V+

75

0.3

0.1

MAX

-48

0.3 x

V+

+1

0.4

0.3 x

V+

0.5

0.3

0.4

UNITS

mA

mA/µs

%

V

V

µA

V

V

V

V

µA

V

V

V

V

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