BR34L02-W Ver la hoja de datos (PDF) - ROHM Semiconductor
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BR34L02-W Datasheet PDF : 17 Pages
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●BLOCK DIAGRAM
A0 1
A1 2
8bit
ADDRESS
DECODER
2 Kbit EEPROM ARRAY
SLAVE , WORD
8bit ADDRESS REGISTER
8bit
DATA
REGISTER
8 VCC
7 WP
A2 3
START
STOP
CONTOROL LOGIC
ACK
6 SCL
GND 4
HIGH VOLTAGE GEN.
VCC LEVEL DETECT
5 SDA
Fig.2 BLOCK DIAGRAM
●PIN CONFIGURATION AND EXPLANATION
A0 1
8 VCC
A1 2
A2 3
BR34L02F-VW-W
7 WP
6 SCL
GND 4
5 SDA
Fig.3 PIN CONFIGURATION
PIN NAME INPUT/OUTPUT
FUNCTIONS
VCC
GND
A0,A1,A2
SCL
－
Power Supply
－
Ground 0V
IN
Slave Address Set.
IN
Serial Clock Input
SDA
IN / OUT
Slave and Word Address,
Serial Data Input, Serial Data Output *1
WP
IN
Write Protect Input
*2
*1 An open drain output requires a pull-up resistor.
*2 WP Pin has a Pull-Down resistor. Please be left unconnected or connect
*2 to GND when WP feature is not in use.
●CHARACTERISTICS DATA
The following characteristic data are typ value.
6
5
4
SPEC
3
2
Ta=85℃
Ta=-40℃
Ta=25℃
1
0
0
1
2
3
4
5
6
VCC[V]
Fig.4 "H" Input Voltage VIH1,2
(A0,A1,A2,SCL,SDA,WP)
6
5
4
Ta=85℃
Ta=-40℃
3
Ta=25℃
2
1
SPEC
0
0
1
2
3
4
5
6
VCC[V]
Fig.5 "L" Input Voltage VIL1,2
(A0,A1,A2,SCL,SDA,WP)
1
0.8
0.6
SPEC
Ta=85℃
0.4
Ta=25℃
0.2
Ta=-40℃
0
0 12 3 45 6
IOL1[mA]
Fig.6 "L" Output Voltage
VOL1-IOL1 (VCC=2.5V)
1
0.8
0.6
0.4
SPEC
0.2
Ta=85℃
Ta=25℃
Ta=-40℃
0
0
1
2
3
4
5
6
IOL2[mA]
Fig.7 "L" Output Voltage
VOL2-IOL2 (VCC=1.7V)
1.2
SPEC
1
0.8
0.6
0.4
Ta=85℃
0.2
Ta=25℃
Ta=-40℃
0
0
1
2
3
4
5
6
VCC[V]
Fig.8 Input Leakage Current
ILI1 (A0,A1,A2,SCL,SDA)
4/16
16
SPEC
12
8
Ta=85℃
4
Ta=25℃
Ta=-40℃
0
0
1
2
3
4
5
6
VCC[V]
Fig.9 Input Leakage Current
ILI2 (WP)
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