DC and AC parameters

M41T81

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DocID007529 Rev 11

Table 13. AC characteristics

Sym

Parameter(1)

1. Valid for ambient operating temperature: TA = –40 to 85 °C; VCC = 2.0 to 5.5 V (except where noted).

Min

Typ

Max

Units

fSCL

SCL clock frequency

0

-

400

kHz

tLOW

Clock low period

1.3

-

μs

tHIGH

Clock high period

600

-

ns

tR

SDA and SCL rise time

-

300

ns

tF

SDA and SCL fall time

-

300

ns

tHD:STA

START condition hold time

(after this period the first clock pulse is

generated)

600

-

ns

tSU:STA

START condition setup time

(only relevant for a repeated start condition)

600

-

ns

tSU:DAT

Data setup time

100

-

ns

tHD:DAT(2)

2. Transmitter must internally provide a hold time to bridge the undefined region (300 ns max) of the falling

edge of SCL.

Data hold time

0

-

μs

tSU:STO

STOP condition setup time

600

-

ns

tBUF

Time the bus must be free before a new

transmission can start

1.3

-

μs