PCA9641BSHP datasheet(41/55 Pages) NXP

41 / 55 page

PCA9641

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 2.1 — 27 October 2015

41 of 55

NXP Semiconductors

PCA9641

2-channel I2C-bus master arbiter

[1]

VDD must be lowered to 0.7 V in order to reset part

[2]

Typical VDD = 3.0 V at room temperature

[3]

See Table 4

[4]

Typical VDD = 2.3 V at room temperature, nominal device

[5]

Guaranteed by characterization

[6]

When RESET = VSS, IDD and Istb increase approximately 4.5 mA

19. Dynamic characteristics

Pass gate

Ron

ON-state resistance

VO = 0.4 V; IO =20mA

VDD = 3.0 V to 3.6 V

7.9[2]

11.5



VDD = 2.3 V to 2.7 V

9.9[4]

14.5



Vo(sw)

switch output voltage

Io(sw) = 100 A

Vi(sw) =VDD = 3.6 V

1.6

2.0[2]

2.8

Vi(sw) =VDD =2.3 V

1.1

1.4[4]

2.2

leakage current

VI =VDD or VSS

1-

A

INT0 and INT1 outputs

IOL

LOW-level output current VOL =0.4 V

Table 19.

Static characteristics …continued

VDD = 2.3 V to 3.6 V; VSS =0V; Tamb = 40 C to +85 C; unless otherwise specified.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Table 20.

Dynamic characteristics

Symbol

Parameter

Conditions

Standard-mode

I2C-bus

Fast-mode

I2C-bus

Fast-mode Plus

I2C-bus

Unit

Min

Max

Min

Max

Min

Max

tPD

propagation delay (SDA_MSTn to

SDA_SLAVE) or

(SCL_MSTn to

SCL_SLAVE)

[1]

0.3

fSCL

SCL clock

frequency

100

400

1000 kHz

fSCL(init/rec)

SCL clock

frequency

(bus initialization/

bus recovery)

[8]

kHz

tBUF

bus free time

between a STOP

and START

condition

4.7

1.3

0.5

s

tHD;STA

hold time

(repeated)

START condition

[2]

4.0

0.6

0.26

s

tLOW

LOW period of

the SCL clock

4.7

1.3

0.5

s

tHIGH

HIGH period of

the SCL clock

4.0

0.6

0.26

s

PCA9641BSHP Datasheet(PDF) 41 Page - NXP Semiconductors

PCA9641BSHP Datasheet(HTML) 41 Page - NXP Semiconductors

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55

Datasheet Download

Link URL