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参数资料
| 型号： | CMX644AD2 |
| 厂商： | CML MICROSYSTEMS PLC |
| 元件分类： | 调制器/解调器 |
| 英文描述： | 1.2 kbps DATA, MODEM, PDSO24 |
| 封装： | SOIC-24 |
| 文件页数： | 9/34页 |
| 文件大小： | 1174K |
| 代理商： | CMX644AD2 |
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RPM-Based Fan Controller with HW Thermal Shutdown
Datasheet
SMSC EMC2103
17
Revision 0.90 (08-19-08)
DATASHEET
3.3
EEPROM Loader Electrical Specifications
The EEPROM Loader is only active in the EMC2103-4 device when enabled via the SHDN_SEL pull-
up resistor (see Section 5.1.1).
Data Hold Time
tHD:DAT
0.6
6
us
Data Setup Time
tSU:DAT
0.6
72
us
Clock Low Period
tLOW
1.3
us
Clock High Period
tHIGH
0.6
us
Clock/Data Fall time
tFALL
300
ns
Min = 20+0.1CLOAD ns
Clock/Data Rise time
tRISE
300
ns
Min = 20+0.1CLOAD ns
Capacitive Load
CLOAD
400
pF
Total per bus line
Table 3.4 EEPROM Loader Electrical Specifications
VDD = 3.0V to 3.6V, TA = -40
oC - 125oC, Typical values are at T
A = 27°C unless otherwise noted
CHARACTERISTIC
SYMBOL
MIN
TYP
MAX
UNITS
CONDITIONS
Interface
Input High/Low Current
IIH / IIL
±5
uA
Powered or unpowered
Hysteresis
420
mV
Input Capacitance
CIN
10
pF
Timing
Loading Delay
tDLY
10
ms
Delay after power-up until EEPROM
loading begins. (See Section 4.9.)
Loading Time
tLOAD
50
ms
Clock Frequency
fSMB
50
kHz
Spike Suppression
tSP
50
ns
Bus free time Start to
Stop
tBUF
1.3
us
Hold Time: Start
tHD:STA
0.6
us
Setup Time: Start
tSU:STA
0.6
us
Setup Time: Stop
tSU:STO
0.6
us
Data Hold Time
tHD:DAT
0.3
us
Data Setup Time
tSU:DAT
100
ns
Table 3.3 SMBus Electrical Specifications (continued)
VDD= 3V to 3.6V, TA = -40°C to 125°C Typical values are at TA = 27°C unless otherwise noted.
CHARACTERISTIC
SYMBOL
MIN
TYP
MAX
UNITS
CONDITIONS
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