T
參數(shù)資料
型號(hào): MCP23008T-E/SO
廠商: Microchip Technology
文件頁(yè)數(shù): 24/44頁(yè)
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 8B 18SOIC
標(biāo)準(zhǔn)包裝: 1,100
接口: I²C
輸入/輸出數(shù): 8
中斷輸出:
頻率 - 時(shí)鐘: 1.7MHz
電源電壓: 1.8 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 18-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 18-SOIC
包裝: 帶卷 (TR)
包括: POR
配用: GPIODM-KPLCD-ND - BOARD DEMO LCD GPIO EXP KEYPAD
MCP23008/MCP23S08
DS21919E-page 30
2007 Microchip Technology Inc.
FIGURE 2-7:
GPIO AND INT TIMING
9
Clock Low Time
TLO
90
ns
1.8V – 5.5V (I-Temp)
45
ns
2.7V – 5.5V (I-Temp)
45
ns
4.5V – 5.5V (E-Temp)
10
Clock Delay Time
TCLD
50
ns
11
Clock Enable Time
TCLE
50
ns
12(2)
Output Valid from Clock Low
TV
90
ns
1.8V – 5.5V (I-Temp)
45
ns
2.7V – 5.5V (I-Temp)
45
ns
4.5V – 5.5V (E-Temp)
13
Output Hold Time
THO
0—
ns
14
Output Disable Time
TDIS
——
100
ns
TABLE 2-3:
SPI INTERFACE AC CHARACTERISTICS (CONTINUED)
SPI Interface 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
Max
Units
Conditions
Note 1: This parameter is characterized, not 100% tested.
2: TV = 90 ns (max) when address pointer rolls over from address 0x0A to 0x00.
50
SCL/SCK
SDA/SI
In
GPn
Pin
D0
D1
LSb of data byte zero
during a write or read
INT
Pin
INT pin active
51
command, depending
on parameter.
Output
GPn
Pin
Input
inactive
53
52
Register
Loaded
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