Electrical characteristics (continued), Timing characteristics – Rainbow Electronics MAX5128 User Manual

Page 3

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MAX5128

128-Tap, Nonvolatile, Linear-Taper Digital

Potentiometer in 2mm x 2mm µDFN Package

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(V

CC

= +2.7V to +5.25V, H = V

CC

, L = GND, T

A

= -40°C to +85°C. Typical values are at V

CC

= +5.0V, T

A

= +25°C, unless otherwise noted.)

(Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

NONVOLATILE MEMORY RELIABILITY

Data Retention

T

A

= +85°C

50

Years

T

A

= +25°C

80,000

Endurance

T

A

= +85°C

50,000

Stores

POWER SUPPLY

Supply Voltage

V

CC

2.70

5.25

V

Average Programming Current

I

PG

During nonvolatile write only;
digital inputs = V

CC

or GND

220

400

µA

Peak Programming Current

I

PK

During nonvolatile write only;
digital inputs = V

CC

or GND

4

mA

Standby Current

I

CC

Digital inputs = V

CC

or GND, T

A

= +25°C

0.5

1.5

µA

TIMING CHARACTERISTICS

(V

CC

= +2.7V to +5.25V, H = V

CC

, L = GND, T

A

= -40°C to +85°C. Typical values are at V

CC

= +5.0V, T

A

= +25°C, unless otherwise noted.)

(See Figures 1, 2, 3, and 4).

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

ANALOG SECTION

Wiper Settling Time

t

S

(Note 7)

500

ns

DIGITAL SECTION

UP or DN Pulse-Width High

t

PWH

80

ns

UP or DN Pulse-Width Low

t

PWL

80

ns

UP or DN Glitch Immunity

t

IMMU

20

ns

UP Fall to DN Rise Setup or DN
Fall to UP Rise Setup

t

MS1

80

ns

Before Entering NVM-Write
Mode, UP Fall to UP Rise

t

MS2

80

ns

UP Rise to DN Rise Setup when
Entering NVM-Write

t

WS

80

ns

UP Fall to DN Fall Hold or DN Fall
to UP Fall Hold during NVM-
Write

t

WH

0

ns

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