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Recommended Operating Conditions

Electrical Characteristics

Nonvolatile Storage Specifications

PCA8550

NONVOLATILE 5-BIT REGISTER

SCPS050C – MARCH 1999 – REVISED MAY 2005

MIN

MAX

UNIT

Supply voltage

3

3.6

V

SCL, SDA

2.7

4

High-level input voltage

V

OVERRIDE, MUX IN, MUX SELECT, WP

2

4

SCL, SDA

–0.5

0.9

Low-level input voltage

V

OVERRIDE, MUX IN, MUX SELECT, WP

–0.5

0.8

High-level output current

MUX OUT, NON-MUXED OUT

–2

mA

SDA

6

Low-level output current

mA

MUX OUT, NON-MUXED OUT

2

∆t/∆v

Input transition rise or fall rate

OVERRIDE, MUX IN, MUX SELECT, WP

10

ns/V

Operating free-air temperature

0

70

°C

over recommended operating free-air temperature range, V

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

Input diode clamp voltage

–1.5

V

SCL, SDA

0.19

V

2

2.625

MUX OUT

1.7

2.625

V

2.4

3.6

NON-MUXED OUT

2

3.6

–0.3

0.4

MUX OUT

–0.3

0.7

–0.5

0.4

NON-MUXED OUT

V

–0.5

0.7

0.4

SDA

0.6

SCL, SDA

–1.5

–12

µA

OVERRIDE, MUX SELECT, WP

–20

–100

MUX IN

–0.166

–0.75

mA

SCL, SDA

–7

–32

µA

OVERRIDE, MUX SELECT, WP

–86

–267

MUX IN

–0.72

–2

mA

During read or write cycle

10

mA

Not during read or write cycle

500

µA

10

pF

(1)

PARAMETER

SPECIFICATIONS

10 ms, typical

Memory-cell data retention

10 years, minimum

Maximum number of memory-cell write cycles

1000 cycles, minimum

4