参数资料
型号: MCP23S18T-E/SP
元件分类: 微控制器/微处理器
英文描述: PIA-GENERAL PURPOSE, PDIP28
封装: 0.300 INCH, PLASTIC, SPDIP-28
文件页数: 29/56页
文件大小: 738K
代理商: MCP23S18T-E/SP
2008 Microchip Technology Inc.
DS22103A-page 35
MCP23018/MCP23S18
2.2
AC CHARACTERISTICS
FIGURE 2-1:
LOAD CONDITIONS FOR DEVICE TIMING SPECIFICATIONS
FIGURE 2-2:
RESET AND DEVICE RESET TIMER TIMING
TABLE 2-1:
RESET AND DEVICE RESET TIMER REQUIREMENTS
AC Characteristics Standard Operating Conditions (unless otherwise specified)
1.8V
≤ VDD ≤ 5.5V at -40°C ≤ TA ≤ +125°C.
Parameter
No.
Sym
Characteristic
Min
Typ(2)
Max
Units
Conditions
30
TRSTL RESET Pulse Width (low)
1
s
VDD = 5.0V
32
THLD
Device active after reset high
0
s
VDD = 5.0V
31
TPOR
POR at device power up
20
s
VDD = 5.0V
34
TioZ
Output Hi-impedance from
RESET Low
1
s
Note 1:
This parameter is characterized, not 100% tested.
2:
Data in the Typical (“Typ”) column is at 5V, +25
°C, unless otherwise stated.
135 pF
1k
Ω
VDD
SCL and
SDA pin
MCP23018
50 pF
Pin
VDD
RESET
Internal
RESET
34
Output pin
32
30
31
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