PCA8550

NONVOLATILE 5-BIT REGISTER

SCPS050A – MARCH 1999 – REVISED APRIL 1999

4

POST OFFICE BOX 655303

recommended operating conditions

MIN

MAX

UNIT

VCC

Supply voltage

3

3.6

V

SCL, SDA

2.7

4

VIH

High-level input voltage

OVERRIDE, MUX IN,

MUX SELECT, WP

2

4

V

SCL, SDA

–0.5

0.9

VIL

Low-level input voltage

OVERRIDE, MUX IN,

MUX SELECT, WP

–0.5

0.8

V

IOH

High-level output current

MUX OUT,

NON-MUXED OUT

–2

mA

SDA

6

IOL

Low-level output current

MUX OUT,

NON-MUXED OUT

2

mA

∆t/∆v

Input transition rise or fall rate

OVERRIDE, MUX IN,

MUX SELECT, WP

10

ns/V

TA

Operating free-air temperature

0

70

°C

electrical characteristics over recommended operating free-air temperature range,

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

VIK

Input diode clamp voltage

II = –18 mA

–1.5

V

Vhys†

SCL, SDA

0.19

V

MUX OUT

IOH = –100 µA

2

2.625

VOH

MUX OUT

IOH = –1 mA

1.7

2.625

V

VOH

NON MUXED OUT

IOH = –100 µA

2.4

3.6

V

NON-MUXED OUT

IOH = –2 mA

2

3.6

MUX OUT

IOL = 100 µA

–0.3

0.4

MUX OUT

IOL = 2 mA

–0.3

0.7

VOL

NON MUXED OUT

IOL = 100 µA

–0.5

0.4

V

VOL

NON-MUXED OUT

IOL = 2 mA

–0.5

0.7

V

SDA

IOL = 3 mA

0.4

SDA

IOL = 6 mA

0.6

SCL, SDA

–1.5

–12

µA

IIH

OVERRIDE, MUX SELECT, WP

VIH = 2.4 V

–20

–100

µA

MUX IN

–0.166

–0.75

mA

SCL, SDA

–7

–32

µA

IIL

OVERRIDE, MUX SELECT, WP

VIL = 0.4 V

–86

–267

µA

MUX IN

–0.72

–2

mA

ICC

During read or write cycle

VI = 0 to VCC,

IO = 0,

VCC = 3.3 V

10

mA

ICC

Not during read or write cycle

VI = VCC,

IO = 0

500

µA

Ci

VI = VCC or GND

10

pF

† Vhys is the hysteresis of Schmitt-trigger inputs.