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鍙冩暩(sh霉)璩囨枡
| 鍨嬭櫉锛� | MCP23S08-E/SS |
| 寤犲晢锛� | Microchip Technology |
| 鏂囦欢闋佹暩(sh霉)锛� | 20/44闋� |
| 鏂囦欢澶�?銆�?/td> | 0K |
| 鎻忚堪锛� | IC I/O EXPANDER SPI 8B 20SSOP |
| 鐢�(ch菐n)鍝佸煿瑷撴ā濉婏細 | GPIO Expanders |
| 妯欐簴鍖呰锛� | 67 |
| 鎺ュ彛锛� | SPI |
| 杓稿叆/杓稿嚭鏁�(sh霉)锛� | 8 |
| 涓柗杓稿嚭锛� | 鏄� |
| 闋荤巼 - 鏅傞悩锛� | 10MHz |
| 闆绘簮闆诲锛� | 1.8 V ~ 5.5 V |
| 宸ヤ綔婧害锛� | -40°C ~ 125°C |
| 瀹夎椤炲瀷锛� | 琛ㄩ潰璨艰 |
| 灏佽/澶栨锛� | 20-SSOP锛�0.209"锛�5.30mm 瀵級 |
| 渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 | 20-SSOP |
| 鍖呰锛� | 绠′欢 |
| 鍖呮嫭锛� | POR |
| 鐢�(ch菐n)鍝佺洰閷勯爜闈細 | 684 (CN2011-ZH PDF) |
| 閰嶇敤锛� | GPIODM-KPLCD-ND - BOARD DEMO LCD GPIO EXP KEYPAD |
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2007 Microchip Technology Inc.
DS21919E-page 27
MCP23008/MCP23S08
TABLE 2-2:
I2C BUS DATA REQUIREMENTS
I2C AC Characteristics
Operating Conditions (unless otherwise indicated):
1.8V
鈮� VDD 鈮� 5.5V at -40掳C 鈮� TA 鈮� +85掳C (I-Temp)
4.5V
RPU (SCL, SDA) = 1 k
惟, CL (SCL, SDA) = 135 pF
Param
No.
Characteristic
Sym
Min
Typ
Max
Units Conditions
100
Clock High Time:
THIGH
100 kHz mode
4.0
鈥�
s
1.8V 鈥� 5.5V (I-Temp)
400 kHz mode
0.6
鈥�
s
2.7V 鈥� 5.5V (I-Temp)
1.7 MHz mode
0.12
鈥�
s
4.5V 鈥� 5.5V (E-Temp)
101
Clock Low Time:
TLOW
100 kHz mode
4.7
鈥�
s
1.8V 鈥� 5.5V (I-Temp)
400 kHz mode
1.3
鈥�
s
2.7V 鈥� 5.5V (I-Temp)
1.7 MHz mode
0.32
鈥�
s
4.5V 鈥� 5.5V (E-Temp)
102
SDA and SCL Rise Time:
TR
100 kHz mode
鈥�
1000
ns
1.8V 鈥� 5.5V (I-Temp)
400 kHz mode
20 + 0.1 CB(2)
鈥�
300
ns
2.7V 鈥� 5.5V (I-Temp)
1.7 MHz mode
20
鈥�
160
ns
4.5V 鈥� 5.5V (E-Temp)
103
SDA and SCL Fall Time:
TF
100 kHz mode
鈥�
300
ns
1.8V 鈥� 5.5V (I-Temp)
400 kHz mode
20 + 0.1 CB(2)
鈥�
300
ns
2.7V 鈥� 5.5V (I-Temp)
1.7 MHz mode
20
鈥�
80
ns
4.5V 鈥� 5.5V (E-Temp)
90
START Condition Setup Time:
TSU:STA
100 kHz mode
4.7
鈥�
s
1.8V 鈥� 5.5V (I-Temp)
400 kHz mode
0.6
鈥�
s
2.7V 鈥� 5.5V (I-Temp)
1.7 MHz mode
0.16
鈥�
s
4.5V 鈥� 5.5V (E-Temp)
91
START Condition Hold Time:
THD:STA
100 kHz mode
4.0
鈥�
s
1.8V 鈥� 5.5V (I-Temp)
400 kHz mode
0.6
鈥�
s
2.7V 鈥� 5.5V (I-Temp)
1.7 MHz mode
0.16
鈥�
s
4.5V 鈥� 5.5V (E-Temp)
106
Data Input Hold Time:
THD:DAT
100 kHz mode
0
鈥�
3.45
s
1.8V 鈥� 5.5V (I-Temp)
400 kHz mode
0
鈥�
0.9
s
2.7V 鈥� 5.5V (I-Temp)
1.7 MHz mode
0
鈥�
0.15
s
4.5V 鈥� 5.5V (E-Temp)
107
Data Input Setup Time:
TSU:DAT
100 kHz mode
250
鈥�
ns
1.8V 鈥� 5.5V (I-Temp)
400 kHz mode
100
鈥�
ns
2.7V 鈥� 5.5V (I-Temp)
1.7 MHz mode
0.01
鈥�
s
4.5V 鈥� 5.5V (E-Temp)
92
STOP Condition Setup Time:
TSU:STO
100 kHz mode
4.0
鈥�
s
1.8V 鈥� 5.5V (I-Temp)
400 kHz mode
0.6
鈥�
s
2.7V 鈥� 5.5V (I-Temp)
1.7 MHz mode
0.16
鈥�
s
4.5V 鈥� 5.5V (E-Temp)
Note 1: This parameter is characterized, not 100% tested.
2: CB is specified to be from 10 to 400 pF.
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