參數(shù)資料
型號: SMH4046F
廠商: Electronic Theatre Controls, Inc.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Hot-Swap, Active DC Output Control (ADOCTM) Power Manager with I2C lnterface
中文描述: 熱插拔,有源直流輸出控制(ADOCTM)電源管理器具有I2C lnterface
文件頁數(shù): 12/51頁
文件大?。?/td> 1024K
代理商: SMH4046F
SMH4046
Preliminary Information
Summit Microelectronics, Inc
2082 1.7 08/23/04
12
I
2
C 2-WIRE SERIAL INTERFACE AC OPERATING
CHARACTERISTICS – 100kHz
Over recommended operating conditions, unless otherwise noted. All voltages are relative to GND.
See Figure 4 Timing Diagram.
100kHz
Typ
100
Symbol
Description
Conditions
Min
0
4.7
4.0
4.7
4.7
4.0
4.7
0.2
0.2
250
0
Max
100
3.5
1000
300
Units
KHz
f
SCL
t
LOW
t
HIGH
t
BUF
t
SU:STA
t
HD:STA
t
SU:STO
t
AA
t
DH
t
R
t
F
t
SU:DAT
t
HD:DAT
TI
t
WR_CONFI
G
t
WR_EE
SCL Clock Frequency
Clock Low Period
Clock High Period
Bus Free Time
Start Condition Setup Time
Start Condition Hold Time
Stop Condition Setup Time
Clock Edge to Data Valid
Data Output Hold Time
SCL and SDA Rise Time
SCL and SDA Fall Time
Data In Setup Time
Data In Hold Time
Noise Filter SCL and SDA
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
ns
ns
ns
ns
ns
Before New Transmission
-
Note
1/
SCL low to valid SDA (cycle n)
SCL low (cycle n+1) to SDA change
Note
1/
Note
1/
Noise suppression
Configuration Registers
Write Cycle Time Config
10
ms
Write Cycle Time EE
Memory Array
5
ms
Note: 1/ - Guaranteed by Design.
t
R
t
F
t
HIGH
t
LOW
t
SU:SDA
t
HD:SDA
t
SU:DAT
t
HD:DAT
t
SU:STO
t
BUF
t
DH
t
AA
SCL
SDA
(IN)
SDA
(OUT)
t
WR (For Write Operation Only)
Figure 4 - Basic I
2
C Serial Interface Timing
TIMING DIAGRAMS
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