20-Output, 76V, Serial-Interfaced

VFD Tube Drivers

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3

ELECTRICAL CHARACTERISTICS (continued)

wise noted.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

0.75

1

1.5

≥ 15V

1.9

0.8

1.1

1.6

Low-Voltage OUT_

(MAX6921 Only)

2.0

V

≥ 15V

Low-Voltage OUT_

(MAX6931 Only)

V

Rise Time OUT_ (20% to 80%)

Ω

0.9

2

µs

Fall Time OUT_ (80% to 20%)

Ω

0.6

1.5

µs

SERIAL INTERFACE TIMING CHARACTERISTICS

LOAD Rising to OUT_ Falling

Delay

(Notes 2, 3)

0.9

1.8

µs

LOAD Rising to OUT_ Rising

Delay

(Notes 2, 3)

1.2

2.4

µs

BLANK Rising to OUT_ Falling

Delay

(Notes 2, 3)

0.9

1.8

µs

BLANK Falling to OUT_ Rising

Delay

(Notes 2, 3)

0.5

1.3

2.5

µs

Input Leakage Current

CLK, DIN, LOAD, BLANK

0.05

10

µA

Logic-High Input Voltage

CLK, DIN, LOAD, BLANK

0.8 x

V

Logic-Low Input Voltage

CLK, DIN, LOAD, BLANK

0.3 x

V

Hysteresis Voltage

DIN, CLK, LOAD, BLANK

0.6

V

High-Voltage DOUT

0.5

V

Low-Voltage DOUT

0.5

V