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PDF BU9847GUL-W Data sheet ( Hoja de datos )
| Número de pieza | BU9847GUL-W | |
| Descripción | WLCSP EEPROM | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Datasheet
Serial EEPROM Series Standard EEPROM
WLCSP EEPROM
BU9847GUL-W (4Kbit)
●General Description
BU9847GUL-W series is a serial EEPROM of I2C BUS interface method. 1.7V single power source action and actions
available at 400kHz.
●Features
■ Completely conforming to the world standard I2C BUS. All controls
available by 2 ports of serial clock (SCL) and serial data(SDA)
■ Other devices than EEPROM can be connected to the same port,
saving microcontroller port.
■ Actions available at 400kHz clock (1.7V to 5.5V)
■ 1.7V to 5.5V single power source action most suitable for battery use.
■ Page write mode useful for initial value write at factory shipment.
■ Auto erase and auto end function at data rewrite.
■ Low current consumption
¾ At write action (5V) : 1.2mA (Typ.)
¾ At read action (5V) : 0.2mA (Typ.)
¾ At standby action (5V) : 0.1μA (Typ.)
■ Write mistake prevention function
¾ Write (write protect) function added.
¾ Write mistake prevention function at low voltage.
■ Data rewrite up to 1,000,000times.
■ Data kept for 40 years.
■ Noise filter built in SCL / SDA terminal
■ Shipment data all address FFh.
●Package W(Typ.) x D(Typ.) x H(Max.)
VCSP50L1:1.95mm x 1.06mm x 0.55mm
●Page Write
Number of pages
Product number
16Byte
BU9847GUL-W
●BU9847GUL-W
Capacity
4Kbit
Bit format
512×8
Type
BU9847GUL-W
Power source voltage
1.7V to 5.5V
VCSP50L1
●
●Absolute Maximum Ratings (Ta=25°C)
Parameter
Symbol
Impressed voltage
Vcc
Permissible dissipation
Pd
Storage temperature range
Tstg
Operating temperature range Topr
Terminal voltage
-
Ratings
-0.3 to +6.5
220
-65 to 125
-40 to 85
-0.3 to Vcc+1.0
Unit
V
mW
℃
℃
V
Remarks
When using at Ta=25℃ or higher, 2.2mW to be reduced per 1℃
●Memory cell characteristics (Ta=25°C, VCC =1.7V to 5.5V)
Parameter
Limits
Min Typ.
Number of data rewrite times *1
1,000,000
-
Data hold years *1
40 -
Shipment data all address FFh
*1 Not 100% TESTED
Unit
Max
- Times
- Years
○Product structure：Silicon monolithic integrated circuit
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
○This product is not designed protection against radioactive rays
1/24
TSZ02201-0R2R0G100480-1-2
4.SEP.2012 Rev.001
1 page  
BU9847GUL-W (4Kbit)
●Typical Performance Curves
(The following values are Typ. ones.)
Datasheet
Figure 2. H input voltage VIH1,2,3
(A2,SCL,SDA,WP)
Figure 3. L input voltage VIL1,2,3
(A2,SCL,SDA,WP)
Figure 4. L output voltage VOL2-IOL2
(VCC=1.7V)
Figure 5. L input voltage
VOL1-IOL1 (Vcc=2.5V)
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
5/24
TSZ02201-0R2R0G100480-1-2
4.SEP.2012 Rev.001
5 Page 
BU9847GUL-W (4Kbit)
●Typical Performance Curves‐Continued
Datasheet
Figure 26. Noise removal time
tI (SDA H)
Figure 27. Noise removal time
tI (SDA L)
Figure 28. WP setup time
tSU:WP
Figure 29. WP valid time
tHIGH: WP
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
11/24
TSZ02201-0R2R0G100480-1-2
4.SEP.2012 Rev.001
11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet BU9847GUL-W.PDF ] | |
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