2015 - 2016 Microchip Technology Inc. DS00001888B-page 23
MM7150
TABLE 8-9: I
2
Cx BUS DATA TIMING REQUIREMENTS (SLAVE MODE)
AC CHARACTERISTICS
Standard Operating Conditions: 2.3V to 3.6V
(unless otherwise stated)
Param.
No.
Symbol Characteristics Min. Max. Units Conditions
IS10 T
LO:SCL Clock Low Time 100 kHz mode 4.7 — s—
400 kHz mode 1.3 — s—
IS11 T
HI:SCL Clock High Time 100 kHz mode 4.0 — s—
400 kHz mode 0.6 — s—
IS20 T
F:SCL SDAx and SCLx
Fall Time
100 kHz mode — 300 ns CB is specified to be from
10 to 400 pF
400 kHz mode 20 + 0.1 CB 300 ns
IS21 T
R:SCL SDAx and SCLx
Rise Time
100 kHz mode — 1000 ns CB is specified to be from
10 to 400 pF
400 kHz mode 20 + 0.1 CB 300 ns
IS25 T
SU:DAT Data Input
Setup Time
100 kHz mode 250 — ns —
400 kHz mode 100 — ns
IS26 T
HD:DAT Data Input
Hold Time
100 kHz mode 0 — ns —
400 kHz mode 0 0.9 s
IS30 T
SU:STA Start Condition
Setup Time
100 kHz mode 4700 — ns Only relevant for Repeated
Start condition
400 kHz mode 600 — ns
IS31 T
HD:STA Start Condition
Hold Time
100 kHz mode 4000 — ns After this period, the first
clock pulse is generated
400 kHz mode 600 — ns
IS33 T
SU:STO Stop Condition
Setup Time
100 kHz mode 4000 — ns —
400 kHz mode 600 — ns
IS34 T
HD:STO Stop Condition
Hold Time
100 kHz mode 4000 — ns —
400 kHz mode 600 — ns
IS40 T
AA:SCL Output Valid from
Clock
100 kHz mode 0 3500 ns —
400 kHz mode 0 1000 ns
IS45 T
BF:SDA Bus Free Time 100 kHz mode 4.7 — s The amount of time the bus
must be free before a new
transmission can start
400 kHz mode 1.3 — s
IS50 CB Bus Capacitive
Loading
— 400 pF —
