X1228 datasheet(6/31 Pages) XICOR

6 / 31 page

X1228

REV 1.3 3/24/04

Characteristics subject to change without notice.

6 of 31

www.xicor.com

AC Specifications (TA = -40°C to +85°C, VCC = +2.7V to +5.5V, unless otherwise specified.)

Notes: (1)

This parameter is not 100% tested.

(2)

Cb = total capacitance of one bus line in pF.

TIMING DIAGRAMS

Bus Timing

Symbol

Parameter

Min.

Max.

Units

fSCL

SCL Clock Frequency

400

kHz

tIN

Pulse width Suppression Time at inputs

50(1)

tAA

SCL LOW to SDA Data Out Valid

0.1

0.9

µs

tBUF

Time the bus must be free before a new transmission can start

1.3

µs

tLOW

Clock LOW Time

1.3

µs

tHIGH

Clock HIGH Time

0.6

µs

tSU:STA

Start Condition Setup Time

0.6

µs

tHD:STA

Start Condition Hold Time

0.6

µs

tSU:DAT

Data In Setup Time

100

tHD:DAT

Data In Hold Time

µs

tSU:STO

Stop Condition Setup Time

0.6

µs

tDH

Data Output Hold Time

SDA and SCL Rise Time

20 +.1Cb(2)

300

SDA and SCL Fall Time

20 +.1Cb(2)

300

Capacitive load for each bus line

400

tSU:STO

tDH

tHIGH

tSU:STA

tHD:STA

tHD:DAT

tSU:DAT

SCL

SDA IN

SDA OUT

tLOW

tBUF

tAA

X1228 Datasheet(PDF) 6 Page - Xicor Inc.

X1228 Datasheet(HTML) 6 Page - Xicor Inc.

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

Datasheet Download

Link URL