BU9883FV-W_1 Datasheet, PDF (3/19 Pages) Rohm – I2C BUS3Ports for HDMI Port Serial EEPROM

BU9883FV-W
Technical Note
●EEPROM AC operating characteristics (Ta=-40～85℃, VCC0～3 = 3.0～5.5V)
Parameter
Symbol
3.0≦VCC0～3≦5.5V
Unit
Min.
Typ.
Max.
Min.
Clock Frequency
fSCL
-
-
400
kHz
Data Clock High Period
tHIGH
0.6
-
-
μs
Data Clock Low Period
SDA0~3 and SCL0~3 Rise Time ^*1
SDA0~3 and SCL0~3 Fall Time^*1
tLOW
tR
tF
1.2
-
-
μs
-
-
0.3
μs
-
-
0.3
μs
Start Condition Hold Time
tHD:STA
0.6
-
-
μs
Start Condition Setup Time
tSU:STA
0.6
-
-
μs
Input Data Hold Time
tHD:DAT
0
-
-
ns
Input Data Setup Time
tSU:DAT
100
-
-
ns
Output Data Delay Time
tPD
0.1
-
0.9
μs
Output Data Hold Time
tDH
0.1
-
-
μs
Stop Condition Setup Time
tSU:STO
0.6
-
-
μs
Bus Free Time
tBUF
1.2
-
-
μs
Write Cycle Time
tWR
-
-
5
ms
Noise Spike Width (SDA0~3 and SCL0~3)
tI
-
-
0.1
μs
WP Hold Time
tHD:WP
0
-
-
ns
WP Setup Time
tSU:WP
0.1
-
-
μs
WP valid time
tHIGH:WP
1.0
-
-
μs
*1 : Not 100% TESETED
●Synchronous data input/output timing
tR
tF
tHIGH
SCL
SCL
tHD:STA
tSU:DAT
tLOW
tHD:DAT
tSU:STA
tHD:STA
tSU:STO
SDA
(IN)
tBUF
SDA
(OUT)
tPD
tDH
SDA
START BIT
STOP BIT
Fig.-1 SYNCHRONOUS DATA TIMING
○SDA data is latched into the chip at the rising edge of the SCL clock. (This is commoness in all port.)
○Output date toggles at the falling edge of the SCL clock. (This is commoness in all port.)
●Characteristic data (The following values are Typ. ones).
6
Ta=-40℃
5
Ta=25℃
Ta=85℃
4
6
Ta=-40℃
5
Ta=25℃
Ta=85℃
4
6
Ta=-40℃
5
Ta=25℃
Ta=85℃
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.2　'H' Input Voltage0　V_IH0
(SCL0,SDA0)
6
Ta=-40℃
5
Ta=25℃
Ta=85℃
4
3
SPEC
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc0ï¼»Vï¼½
Fig.3　'H' Input Voltage1　V_IH1
(SCL1,SDA1)
6
5 ^Ta=-40℃
Ta=25℃
4 ^Ta=85℃
3
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc2ï¼»Vï¼½
Fig.4　'H' Input Voltage2　V_IH2
(SCL2,SDA2)
6
5 _Ta=-40℃
Ta=25℃
4 _Ta=85℃
3
2
2
2
1
1
SPEC
1
SPEC
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc3ï¼»Vï¼½
Fig.5　'H' Input Voltage3　V_IH3
(SCL3,SDA3)
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc0ï¼»Vï¼½
Fig.6　'L' Input Voltage0　V_IL0
(SCL0,SDA0)
0
0
1
2
3
4
5
6
SUPPLY VOLTAGE : Vcc1ï¼»Vï¼½
Fig.7　'L' Input Voltage1　V_{IL 1}
(SCL1,SDA1)
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3/18
2009.04 - Rev.B