Datasheet

 2005-2016 Microchip Technology Inc. DS20001952C-page 7
MCP23017/MCP23S17
90 START Condition Setup Time: T
SU:STA
100 kHz mode 4.7 — — µs 1.8V – 5.5V
400 kHz mode 0.6 — — µs 2.7V – 5.5V
1.7 MHz mode 0.16 — — µs 4.5V – 5.5V
91 START Condition Hold Time: T
HD:STA
100 kHz mode 4.0 — — µs 1.8V – 5.5V
400 kHz mode 0.6 — — µs 2.7V – 5.5V
1.7 MHz mode 0.16 — — µs 4.5V – 5.5V
106 Data Input Hold Time: T
HD:DAT
100 kHz mode 0 — 3.45 µs 1.8V – 5.5V
400 kHz mode 0 — 0.9 µs 2.7V – 5.5V
1.7 MHz mode 0 — 0.15 µs 4.5V – 5.5V
107 Data Input Setup Time: T
SU:DAT
100 kHz mode 250 — — ns 1.8V – 5.5V
400 kHz mode 100 — — ns 2.7V – 5.5V
1.7 MHz mode 0.01 — — µs 4.5V – 5.5V
92 Stop Condition Setup Time: T
SU:STO
100 kHz mode 4.0 — — µs 1.8V – 5.5V
400 kHz mode 0.6 — — µs 2.7V – 5.5V
1.7 MHz mode 0.16 — — µs 4.5V–5.5V
109 Output Valid From Clock: T
AA
100 kHz mode — — 3.45 µs 1.8V – 5.5V
400 kHz mode — — 0.9 µs 2.7V – 5.5V
1.7 MHz mode — — 0.18 µs 4.5V – 5.5V
110 Bus Free Time: T
BUF
100 kHz mode 4.7 — — µs 1.8V – 5.5V
400 kHz mode 1.3 — — µs 2.7V – 5.5V
1.7 MHz mode N/A — N/A µs 4.5V – 5.5V
111 Bus Capacitive Loading: C
B
100 kHz and 400 kHz — — 400 pF Note 1
1.7 MHz — — 100 pF Note 1
112 Input Filter Spike Suppression
(SDA and SCL):
T
SP
100 kHz and 400 kHz — — 50 ns
1.7 MHz — — 10 ns Spike suppression off
TABLE 1-3: I
2
C BUS DATA REQUIREMENTS (CONTINUED)
I
2
C Interface AC Characteristics: Unless otherwise noted, 1.8V V
DD
 5.5V at -40C  T
A
 +125C, R
PU
(SCL,
SDA) = 1 k, C
L
(SCL, SDA) = 135 pF
Param.
No.
Characteristic Sym. Min. Typ. Max. Units Conditions
Note 1: This parameter is characterized, not 100% tested.
2: C
B
is specified to be from 10 to 400 pF.