參數(shù)資料
型號(hào): MCP23018-E/SP
廠商: Microchip Technology
文件頁數(shù): 29/56頁
文件大小: 0K
描述: IC I/O EXPANDER I2C 16B 28SDIP
標(biāo)準(zhǔn)包裝: 15
接口: I²C
輸入/輸出數(shù): 16
中斷輸出:
頻率 - 時(shí)鐘: 3.4MHz
電源電壓: 1.8 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 通孔
封裝/外殼: 28-DIP(0.300",7.62mm)
供應(yīng)商設(shè)備封裝: 28-DIP
包裝: 管件
產(chǎn)品目錄頁面: 684 (CN2011-ZH PDF)
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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