参数资料
型号: MCP23S18T-E/MJ
厂商: Microchip Technology
文件页数: 33/56页
文件大小: 0K
描述: IC I/O EXPANDER SPI 16B 24QFN
标准包装: 3,300
接口: SPI
输入/输出数: 16
中断输出:
频率 - 时钟: 10MHz
电源电压: 1.8 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 24-VFQFN 裸露焊盘
供应商设备封装: 24-QFN(4x4)
包装: 带卷 (TR)
2008 Microchip Technology Inc.
DS22103A-page 39
MCP23018/MCP23S18
TABLE 2-4:
I2C BUS DATA REQUIREMENTS (SLAVE MODE)
I2C AC Characteristics
Operating Conditions (unless otherwise indicated):
1.8V
≤ VDD ≤ 5.5V at -40°C ≤ TA ≤ +125°C
RPU (SCL, SDA) = 1 k
Ω, CL (SCL, SDA) = 135 pF.
Param
No.
Characteristic
Sym
Min
Typ
Max
Units
Conditions
100
Clock High Time:
THIGH
100 kHz mode
4.0
s
1.8V – 5.5V
400 kHz mode
0.6
s
1.8V – 5.5V
3.4 MHz mode
0.06
s
2.7V – 5.5V
101
Clock Low Time:
TLOW
100 kHz mode
4.7
s
1.8V – 5.5V
400 kHz mode
1.3
s
1.8V – 5.5V
3.4 MHz mode
0.16
s
2.7V – 5.5V
102
SDA and SCL Rise Time:
TR
100 kHz mode
1000
ns
1.8V – 5.5V
400 kHz mode
20 + 0.1 CB(2)
300
ns
1.8V – 5.5V
3.4 MHz mode
10
80
ns
2.7V – 5.5V
103
SDA and SCL Fall Time:
TF
100 kHz mode
300
ns
1.8V – 5.5V
400 kHz mode
20 + 0.1 CB(2)
300
ns
1.8V – 5.5V
3.4 MHz mode
10
80
ns
2.7V – 5.5V
90
START Condition Setup Time:
TSU:STA
100 kHz mode
4.7
s
1.8V – 5.5V
400 kHz mode
0.6
s
1.8V – 5.5V
3.4 MHz mode
0.16
s
2.7V – 5.5V
91
START Condition Hold Time:
THD:STA
100 kHz mode
4.0
s
1.8V – 5.5V
400 kHz mode
0.6
s
1.8V – 5.5V
3.4 MHz mode
0.16
s
2.7V – 5.5V
106
Data Input Hold Time:
THD:DAT
100 kHz mode
0
3.45
s
1.8V – 5.5V
400 kHz mode
0
0.9
s
1.8V – 5.5V
3.4 MHz mode
0
0.07
s
2.7V – 5.5V
107
Data Input Setup Time:
TSU:DAT
100 kHz mode
250
ns
1.8V – 5.5V
400 kHz mode
100
ns
1.8V – 5.5V
3.4 MHz mode
0.01
s
2.7V – 5.5V
92
STOP Condition Setup Time:
TSU:STO
100 kHz mode
4.0
s
1.8V – 5.5V
400 kHz mode
0.6
s
2.7V – 5.5V
3.4 MHz mode
0.16
s
4.5V – 5.5V
Note 1:
This parameter is characterized, not 100% tested.
2:
CB is specified from 10 to 400 (pF).
3:
This parameter is not applicable in high-speed mode (3.4 MHz).
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