Datasheet
Serial EEPROM Series Standard EEPROM
WLCSP EEPROM
BRCB008GWZ-3
General Description
BRCB008GWZ-3 is a serial EEPROM of I
2
C BUS Interface Method
Features
Completely conforming to the world standard I
2
C BUS.
All controls available by 2 ports of serial clock (SCL)
and serial data (SDA)
1.7V to 3.6V Single Power Source Operation most
suitable for battery use
1.7V to 3.6V wide limit of operating voltage, possible
FAST MODE 400KHz operation
16byte Page Write Mode useful for initial value write
at factory shipment
Self-timed Programming Cycle
Low Current Consumption
Prevention of Write Mistake at Low Voltage
More than 1 million write cycles
More than 40 years data retention
Noise Filter Built in SCL / SDA terminal
Initial delivery state FFh
Package
W (Typ) x D(Typ) x H(Max)
UCSP30L1
0.94mm x 0.94mm x 0.33mm
BRCB008GUZ-3
Capacity
8Kbit
Bit Format
1K×8
Type
BRCB008GWZ-3
Power Source Voltage
1.7V to 3.6V
Package
UCSP30L1
○Product
structure：Silicon monolithic integrated circuit
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©2013 ROHM Co., Ltd. All rights reserved.
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○This
product has no designed protection against radioactive rays
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TSZ02201-0R2R0G100250-1-2
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BRCB008GWZ-3
Absolute Maximum Ratings
(Ta=25°C)
Parameter
Supply Voltage
Power Dissipation
Storage Temperature
Operating Temperature
Input Voltage/
Output Voltage
Junction Temperature
Symbol
V
CC
Pd
Tstg
Topr
‐
Tjmax
Rating
-0.3 to +6.5
220 (UCSP30L1)
-65 to +125
-40 to +85
-0.3 to Vcc+1.0
150
Unit
V
mW
°C
°C
V
°C
Remark
Datasheet
Derate by 2.2mW/°C when operating above Ta=25°C
The Max value of Input Voltage / Output Voltage is not over 6.5V.
When the pulse width is 50ns or less, the Min value of Input Voltage
/ Output Voltage is not lower than 1.0V.
Junction temperature at the storage condition
Memory Cell Characteristics
(Ta=25℃, Vcc=1.7V to 3.6V)
Limit
Parameter
Min
Write Cycles
(1)
Data Retention
(1)
(1)Not 100% TESTED
Unit
Typ
-
-
Max
-
-
Times
Years
1,000,000
40
Recommended Operating Ratings
Parameter
Power Source Voltage
Input Voltage
Symbol
Vcc
V
IN
Rating
1.7 to 3.6
V
0 to Vcc
Unit
DC Characteristics
(Unless otherwise specified, Ta=-40℃ to +85℃, Vcc=1.7V to 3.6V)
Limit
Parameter
Symbol
Min
Input High Voltage
Input Low Voltage
Output Low Voltage1
Output Low Voltage2
Input Leakage Current
Output Leakage Current
Supply Current (Write)
Supply Current (Read)
Standby Current
V
IH
V
IL
V
OL1
V
OL2
I
LI
I
LO
I
CC1
I
CC2
I
SB
0.7Vcc
-0.3
(2)
-
-
-1
-1
-
-
-
Typ
-
-
-
-
-
-
-
-
-
Max
Vcc+1.0
+0.3Vcc
0.4
0.2
+1
+1
2.0
0.5
2.0
V
V
V
V
µA
µA
mA
mA
µA
1.7V≦Vcc≦3.6V
1.7V≦Vcc≦3.6V
I
OL
=3.0mA, 2.5V≦Vcc≦3.6V (SDA)
I
OL
=0.7mA, 1.7V≦Vcc＜2.5V (SDA)
V
IN
=0 to Vcc
V
OUT
=0 to Vcc (SDA)
Vcc=3.6V, f
SCL
=400kHz, t
WR
=5ms,
Byte Write, Page Write
Vcc=3.6V, f
SCL
=400kHz
Random Read, Current Read, Sequential
Read
Vcc=3.6V, SDA・SCL=Vcc
Unit
Conditions
(2) When the pulse width is 50ns or less, it is -1.0V.
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TSZ02201-0R2R0G100250-1-2
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BRCB008GWZ-3
AC Characteristics
(Unless otherwise specified, Ta=-40℃ to +85℃, Vcc=1.7V to 3.6V)
Parameter
Clock Frequency
Data Clock High Period
Data Clock Low Period
SDA and SCL Rise Time
(1)
SDA and SCL Fall Time
(1)
Start Condition Hold Time
Start Condition Setup Time
Input Data Hold Time
Input Data Setup Time
Output Data Delay Time
Output Data Hold Time
Stop Condition Setup Time
Bus Free Time
Write Cycle Time
Noise Spike Width (SDA and SCL)
(1) Not 100% TESTED.
Condition Input Data Level: V
IL
=0.2×Vcc V
IH
=0.8×Vcc
Input Data Timing Reference Level: 0.3×Vcc/0.7×Vcc
Output Data Timing Reference Level: 0.3×Vcc/0.7×Vcc
Rise/Fall Time:
≦20ns
Datasheet
Symbol
f
SCL
t
HIGH
t
LOW
t
R
t
F
t
HD:STA
t
SU:STA
t
HD:DAT
t
SU:DAT
t
PD
t
DH
t
SU:STO
t
BUF
t
WR
t
I
Limit
Min
-
0.6
1.2
-
-
0.6
0.6
0
100
0.1
0.1
0.6
1.2
-
-
Typ
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Max
400
-
-
0.3
0.3
-
-
-
-
0.9
-
-
-
5
0.1
Unit
kHz
µs
µs
µs
µs
µs
µs
ns
ns
µs
µs
µs
µs
ms
µs
Serial Input / Output Timing
tR
SCL
30%
70% 70%
30%
tF
tHIGH
70%
30%
70%
30%
tLOW
tSU:DAT
70%
70%
70%
tHD:DAT
70%
30%
SDA
(input)
SDA
(output)
tBUF
tPD
tDH
70%
30%
70%
30%
○
Input Read at the rise edge of SCL
○
Data Output in sync with the fall of SCL
Figure 1-(a). Serial Input / Output Timing
70%
70%
70%
SCL
tSU:STA
SDA
(input)
70%
30%
tHD:STA
tSU:STO
30%
START CONDITION
STOP CONDITION
Figure 1-(b). Start-Stop Bit Timing
SCL
SDA
(input)
D0
write data
(n-th address)
ACK
70%
70%
tWR
STOP CONDITION
START CONDITION
Figure 1-(c). Write Cycle Timing
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TSZ22111½15½001
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TSZ02201-0R2R0G100250-1-2
25.Feb.2013 Rev.002
BRCB008GWZ-3
Block Diagram
Datasheet
8Kbit
10bit
A DDRES S
DE CO DER
10bit
EE P ROM
A RRA Y
8bit
GN D
Vc c
VCC
SLA VE W ORD
ADDRE S S RE G IS TE R
DAT A
REG IST ER
ST ART
ST O P
C ONTRO L
LO G IC
AC K
SCL
HIG H VO LTA GE GE N
.
VCC LE V EL DE TE CT
SDA
Figure 2. Block Diagram
Pin Configuration
B
A
○ ○
SCL
SDA
B1
B2
○ ○
VCC GND
A1
A2
1
2
BOTTOM VIEW
Pin Descriptions
Land No. Terminal Name
B2
B1
A2
A1
SDA
SCL
GND
VCC
Input / Output
Input / Output
Input
-
-
Descriptions
Slave and word address
Serial data input and serial data output
Serial clock input
Reference voltage of all input / output
Power supply
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©2013 ROHM Co., Ltd. All rights reserved.
TSZ22111½15½001
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TSZ02201-0R2R0G100250-1-2
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BRCB008GWZ-3
Typical Performance Curves
Datasheet
6
Ta=-40
℃
Ta= 25
℃
Ta= 85
℃
Input Low Voltage: V
IL
(V)
6
Ta=-40
℃
Ta= 25
℃
Ta= 85
℃
5
Input High Voltage: V
IH
(V)
5
4
4
3
SPEC
2
3
2
1
1
SPEC
0
0
1
2
3
4
5
6
Supply Voltage: Vcc(v)
0
0
1
2
3
4
5
6
Supply Voltage: Vcc(v)
Figure 3. Input High Voltage vs Supply Voltage
(SCL,SDA)
Figure 4. Input Low Voltage vs Supply Voltage
(SCL,SDA)
0.6
Ta=-40
℃
Ta= 25
℃
Ta= 85
℃
1
Ta=-40
℃
Ta= 25
℃
Ta= 85
℃
0.5
Output Low Voltage1 : V
OL1
(V)
0.4
SPEC
0.3
Output Low Voltage2 : V
OL2
(V)
0.8
0.6
0.4
SPEC
0.2
0.2
0.1
0
0
1
2
3
4
5
6
7
8
0
0
1
2
3
4
5
6
Output Low Current : I
OL
(mA)
Output Low Current : I
OL
(mA)
Figure 5. Output Low Voltage1 vs Output Low Current
(Vcc=2.5V)
Figure 6. Output Low Voltage2 vs Output Low Current
(Vcc=1.7V)
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©2013 ROHM Co., Ltd. All rights reserved.
TSZ22111½15½001
5/25
TSZ02201-0R2R0G100250-1-2
25.Feb.2013 Rev.002
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