Datasheet

MCP23017/MCP23S17
DS21952B-page 30 © 2007 Microchip Technology Inc.
TABLE 2-1: DEVICE RESET SPECIFICATIONS
FIGURE 2-3: I
2
C™ BUS START/STOP BITS TIMING
FIGURE 2-4: I
2
C™ BUS DATA TIMING
AC Characteristics
Operating Conditions (unless otherwise indicated):
1.8V ≤ VDD ≤ 5.5V at -40°C ≤ TA ≤ +85°C (I-Temp)
4.5V ≤ VDD ≤ 5.5V at -40°C ≤ TA ≤ +125°C (E-Temp) (Note 1)
Param
No.
Characteristic Sym Min Typ
(1)
Max Units Conditions
30 RESET
Pulse Width
(Low)
TRSTL 1——µs
32 Device Active After Reset
high
T
HLD —0—nsVDD = 5.0V
34 Output High-Impedance
From RESET
Low
TIOZ ——1µs
Note 1: This parameter is characterized, not 100% tested.
91
93
SCL
SDA
Start
Condition
Stop
Condition
90
92
90
91 92
100
101
103
106
107
109
109
110
102
SCL
SDA
In
SDA
Out