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BU9883FV-W Datasheet, PDF (3/19 Pages) Rohm – I2C BUS 3Ports for HDMI Port Serial EEPROM | |||
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âEEPROM AC operating characteristics (Ta=-40ï½85â, Vcc0ï½3 = 3.0ï½5.5V)
Parameter
Symbol
3.0â¦Vcc0ï½3â¦5.5V
Unit
Min.
Typ. Max. Min.
Clock Frequency
fSCL
ï¼
ï¼ 400 kHz
Data Clock High Period
tHIGH
0.6
ï¼ï¼
μs
Data Clock Low Period
tLOW
1.2
ï¼ï¼
μs
SDA0~3 and SCL0~3 Rise Time
*1
tR
ï¼
ï¼ 0.3
μs
SDA0~3 and SCL0~3 Fall Time
*1
tF
ï¼
ï¼ 0.3
μs
Start Condition Hold Time
tHD:STA 0.6
ï¼ï¼
μs
Start Condition Setup Time
tSU:STA 0.6
ï¼ï¼
μs
Input Data Hold Time
tHD:DAT
0
ï¼ï¼
ns
Input Data Setup Time
tSU:DAT 100
ï¼ï¼
ns
Output Data Delay Time
tPD
0.1
ï¼ 0.9
μs
Output Data Hold Time
tDH
0.1
ï¼ï¼
μs
Stop Condition Setup Time
tSU:STO 0.6
ï¼ï¼
μs
Bus Free Time
tBUF
1.2
ï¼ï¼
μs
Write Cycle Time
tWR
ï¼
ï¼
5
ms
Noise Spike Width (SDA0~3 and SCL0~3)
tI
ï¼
ï¼ 0.1
μs
WP Hold Time
tHD:WP
0
ï¼ï¼
ns
WP Setup Time
tSU:WP
0.1
ï¼ï¼
μs
WP valid time
tHIGH:WP 1.0
ï¼ï¼
μs
âSynchronous data input/output timing
tR
tF
tHIGH
*1 : Not 100% TESETED
SCL
SDA
(IN)
tHD:STA
tBUF
tSU:DAT
tLOW
tPD
tHD:DAT
tDH
SCL
SDA
tSU:STA
tHD:STA
tSU:STO
SDA
(OUT)
START BIT
STOP BIT
Fig.-1 SYNCHRONOUS DATA TIMING
âSDA data is latched into the chip at the rising edge of the SCL clock. (This is commoness in all port.)
âOutput date toggles at the falling edge of the SCL clock. (This is commoness in all port.)
âCharacteristic data (The following values are Typ. ones).
6
Ta=-40â
5
Ta=25â
Ta=85â
4
6
5
Ta=-40â
Ta=25â
Ta=85â
4
6
Ta=-40â
5
Ta=25â
Ta=85â
4
3
SPEC
2
3
SPEC
2
3
SPEC
2
1
1
1
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc0ï¼»Vï¼½
Fig.2ã'H' Input Voltage0ãVIH0
(SCL0,SDA0)
6
Ta=-40â
5
Ta=25â
Ta=85â
4
3
SPEC
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc0ï¼»Vï¼½
Fig.3ã'H' Input Voltage1ãVIH1
(SCL1,SDA1)
6
5 Ta=-40â
Ta=25â
4 Ta=85â
3
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc2ï¼»Vï¼½
Fig.4ã'H' Input Voltage2ãVIH2
(SCL2,SDA2)
6
5 Ta=-40â
Ta=25â
4 Ta=85â
3
2
2
2
1
1
SPEC
1
SPEC
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc3ï¼»Vï¼½
Fig.5ã'H' Input Voltage3ãVIH3
(SCL3,SDA3)
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc0ï¼»Vï¼½
Fig.6ã'L' Input Voltage0ãVIL0
(SCL0,SDA0)
3/18
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc1ï¼»Vï¼½
Fig.7ã'L' Input Voltage1ãVIL 1
(SCL1,SDA1)
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