SWCS046N – MARCH 2010 – REVISED APRIL 2012
I
2
C INTERFACE AND CONTROL SIGNALS
over operating free-air temperature range (unless otherwise noted)
NO.
PARAMETER
TEST CONDITIONS
INT1 rise and fall times, C
L
= 5 to 35 pF
NRESPWRON rise and fall times, C
L
= 5 to 35 pF
SLAVE HIGH–SPEED MODE
SCL/SCLSR_EN1 and SDA/SDASR_EN2 rise and fall
time, C
L
= 10 to 100 pF
Data rate
I3
I4
I7
I8
I9
t
su(SDA-SCLH)
t
h(SCLL-SDA)
t
su(SCLH-SDAL)
t
h(SDAL-SCLL)
t
su(SDAH-SCLH)
Setup time, SDA valid to SCL high
Hold time, SDA valid from SCL low
Setup time, SCL high to SDA low
Hold time, SCL low from SDA low
Setup time, SDA high to SCL high
SLAVE FAST MODE
SCL/SCLSR_EN1 and SDA/SDASR_EN2 rise and fall
time, C
L
= 10 to 400 pF
Data rate
I3
I4
I7
I8
I9
t
su(SDA-SCLH)
t
h(SCLL-SDA)
t
su(SCLH-SDAL)
t
h(SDAL-SCLL)
t
su(SDAH-SCLH)
Setup time, SDA valid to SCL high
Hold time, SDA valid from SCL low
Setup time, SCL high to SDA low
Hold time, SCL low from SDA low
Setup time, SDA high to SCL high
SLAVE STANDARD MODE
SCL/SCLSR_EN1 and SDA/SDASR_EN2 rise and fall
time, C
L
= 10 to 400 pF
Data rate
I3
I4
I7
I8
I9
t
su(SDA-SCLH)
t
h(SCLL-SDA)
t
su(SCLH-SDAL)
t
h(SDAL-SCLL)
t
su(SDAH-SCLH)
Setup time, SDA valid to SCL high
Hold time, SDA valid from SCL low
Setup time, SCL high to SDA low
Hold time, SCL low from SDA low
Setup time, SDA high to SCL high
SWITCHING CHARACTERISTICS
SLAVE HIGH–SPEED MODE
I1
I2
I1
I2
I1
I2
t
w(SCLL)
t
w(SCLH)
t
w(SCLL)
t
w(SCLH)
t
w(SCLL)
t
w(SCLH)
Pulse duration, SCL low
Pulse duration, SCL high
SLAVE FAST MODE
Pulse duration, SCL low
Pulse duration, SCL high
SLAVE STANDARD MODE
Pulse duration, SCL low
Pulse duration, SCL high
4.7
4
µs
µs
1.3
0.6
µs
µs
160
60
ns
ns
250
0
4.7
4
4
250
100
ns
Kbps
ns
µs
µs
µs
µs
100
0
0.6
0.6
0.6
0.9
20 +
0.1 × C
L
250
400
ns
Kbps
ns
µs
µs
µs
µs
10
0
160
160
160
70
10
80
3.4
ns
Mbps
ns
ns
ns
ns
ns
MIN
5
5
TYP
10
10
MAX
ns
ns
Copyright © 2010–2012, Texas Instruments Incorporated
9
Product Folder Link(s):
TI [ TEXAS INSTRUMENTS ]
