BU9847GUL-W ROHM Co. Ltd., BU9847GUL-W Datasheet - Page 2

• Manufacturer Part Number: BU9847GUL-W
• Description: I 2 C Bus 4kbit 512?8bit Eeprom
• Manufacturer: ROHM Co. Ltd.

Write/Erase Cycle
Data Retention
(Unless otherwise specified Ta=-40～85℃, Vcc=1.7～5.5V)
"H" Input Voltage1
"L" Input Voltage1
"H" Input Voltage2
"L" Input Voltage2
"H" Input Voltage3
"L" Input Voltage3
"L" Output Voltage1
"L" Output Voltage2
Input Leakage Current
Output Leakage Current
Operating Current
Standby Current
◇ MEMORY CELL CHARACTERISTICS (Ta=25℃, Vcc=1.7～5.5V)
○Initial Data FFh in all address.
◇ DC OPERATING CHARACTERISTICS
○This product is not designed for protection against
○radioactive rays.
◇ BLOCK DIAGRAM
Parameter
GND
VCC
Parameter
A2
Symbol
VOL1
VOL2
ICC1
ICC2
VIH1
VIL1
VIH2
VIL2
VIH3
VIL3
ILO
ISB
ILI
0.7Vcc
0.8Vcc
0.9Vcc
HIGH VOLTAGE GEN.
Min.
-0.3
-0.3
-0.3
－
－
-1
-1
－
－
－
Specification
*1
*1
DECODER
ADDRESS
Typ.
－
－
－
－
－
－
－
－
－
－
－
－
－
9bit
Vcc+1.0
Vcc+1.0
Vcc+1.0 V 1.7V≦Vcc＜1.8V
CONTOROL LOGIC
0.3Vcc
0.2Vcc
0.1Vcc
Max.
0.4
0.2
2.0
0.5
2.0
1
1
1,000,000
Min.
40
Unit
μA
μA
μA
Fig.-1 BLOCK DIAGRAM
mA
mA
V
V
V
V
V
V
V
9bit
START
2.5V≦Vcc≦5.5V
2.5V≦Vcc≦5.5V
1.8V≦Vcc＜2.5V
1.8V≦Vcc＜2.5V
1.7V≦Vcc＜1.8V
IOL=3.0mA，2.5V≦Vcc≦5.5V（SDA）
IOL=0.7mA，1.7V≦Vcc＜2.5V（SDA）
VIN=0V～Vcc
VOUT=0V～Vcc（SDA）
Vcc=5.5V,fSCL=400ｋHz，tWR=5ms
Byte Write,Page Write
Vcc=5.5V,fSCL=400ｋHz
Random Read,Current Read,Sequential Read
Vcc=5.5V,SDA,SCL=Vcc
A0,A1,A2=GND,WP=GND
4 Kbit EEPROM ARRAY
Specification
SLAVE・WORD
ADDRESS REGISTER
V
Typ.
*1 Not 100% TESTED
CC
-
-
LEVEL DETECT
STOP
Test Condition
Max.
-
-
ACK
Cycles
Years
Unit
DATA
REGISTER
REV. A
8bit
◇ AC OPERATING CHARACTERISTICS
(Unless otherwise specified Ta=-40～85℃, Vcc=1.7～5.5V)
Clock Frequency
Data Clock High Period
Data Clock Low Period
SDA and SCL Rise Time
SDA and SCL Fall Time
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)
WP Hold Time
WP Setup Time
WP High Period
WP
SCL
SDA
Parameter
*1
*1
◇ PIN CONFIGURATION
◇ PIN No., PIN NAME
A
B
fSCL
tHIGH
tLOW
tR
tF
tHD:STA
tSU:STA
tHD:DAT
tSU:DAT
tPD
tDH
tSU:STO
tBUF
tWR
tI
tHD：WP
tSU：WP
tHIGH：WP
Symbol
PIN No.
○
○
A1
B1
1
B3
B2
B1
A3
A2
A1
Min.
100
1.0
1.7V≦Vcc≦5.5V
0.6
1.2
0.6
0.6
0.1
0.1
0.6
1.2
0.1
－
－
－
－
－
0
0
○
○ ○
FＡＳＴ-MODE
B2
A2
2
*1 Not 100% TESTED
Typ.
－
－
－
－
－
－
－
－
－
－
－
－
－
－
－
－
－
－
PIN NAME
○
GND
VCC
SDA
SCL
Max.
A3
400
B3
0.3
0.3
0.9
0.1
WP
－
－
－
－
－
－
－
－
－
－
－
－
3
A2
5
Unit
kHz
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
ms
ns
ns
ns
INDEX POST
2/4