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PDF BU9829GUL-W Data sheet ( Hoja de datos )
| Número de pieza | BU9829GUL-W | |
| Descripción | WLCSP EEPROM | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Datasheet
Serial EEPROM Series Standard EEPROM
WLCSP EEPROM
BU9829GUL-W (16Kbit)
●General Description
BU9829GUL-W is Serial EEPROM built-in LDO regulator by SPI BUS interface.
●Features
○EEPROM PART
2,048 words×8 bits architecture serial EEPROM
Wide operating voltage range (1.6V to 3.6V)
Serial Peripheral Interface
Self-timed write cycle with automatic erase
Low Power consumption
¾ Write (3.6V)
: 1.5mA (Typ.)
¾ Read (3.6V) : 0.5mA (Typ.)
¾ Standby (3.6V) : 0.1µA (Typ.)
Auto-increment of registers address for Read mode
32 byte Page Write mode
DATA security
¾ Defaults to power up with write-disabled state
¾ Software instructions for write-enable/disable
¾ Block writes protection by status register
¾ Write inhibit at low Vcc
Initial data FFh in all address,
00h in status register and 10 in VSET [1:0].
Data retention: 10 years
Endurance : 100,000 erase/write cycles
○LDO REGULATOR PART
Low power consumption
¾ Standby (3.6V) : 0.1 µA (Typ.)
¾ Operation (3.6V) : 0.1mA (Typ.)
Power on/off by enable pin
Initial LDO output voltage 2.9V
Setting output voltage by EEPROM command (VSET WRITE)
●Package W(Typ.) x D(Typ.) x H(Max.)
VCSP50L1
1.74mm x 1.65mm x 0.55mm
●Typical Application Circuit
Vcc2(3.3V)
Vcc1(1.8V)
RPU BU9829GUL-W
CSB
SCK
SI
LDOEN
RPD
Vcc1
SO
Vcc2
VOUT
GND
RPU
(0.1µF) (0.1µF)
CL C C
RPD
○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
1/23
TSZ02201-0R2R0G100400-1-2
28.AUG.2012 Rev.001
1 page  
BU9829GUL-W (16Kbit)
Datasheet
●LDO regulator DC operating characteristics (Unless otherwise specified Ta=-30℃ to 85℃)
Parameter
Symbol
Specification
Min. Typ.
Max.
Unit
test condition
Output Voltage1-1 VOUT1-1 2.9
3.0
3.2
V 3.2V≦Vcc2≦3.6V, IOUT=0, 2mA, VSET=1, 0=[1:1]
Output Voltage1-2 VOUT1-2 2.9
3.0
3.1
V 3.2V≦Vcc2≦3.6V, IOUT=2, 10mA, VSET=1, 0=[1:1]
Output Voltage2-1 VOUT2-1 2.8
2.9
3.1
V 3.1V≦Vcc2≦3.6V, IOUT=0, 2mA, VSET=1, 0=[1:0]
Output Voltage2-2 VOUT2-2 2.8
2.9
3.0
V 3.1V≦Vcc2≦3.6V, IOUT=2, 10mA, VSET=1, 0=[1:0]
Output Voltage3-1 VOUT3-1 2.7
2.8
3.0
V 3.0V≦Vcc2≦3.6V, IOUT=0, 2mA, VSET=1, 0=[0:1]
Output Voltage3-2 VOUT3-2 2.7
2.8
2.9
V 3.0V≦Vcc2≦3.6V, IOUT=2, 10mA, VSET=1, 0=[0:1]
Output Voltage4-1 VOUT4-1 2.6
2.7
2.9
V 2.9V≦Vcc2≦3.6V, IOUT=0, 2mA, VSET=1, 0=[0:0]
Output Voltage4-2 VOUT4-2 2.6
2.7
2.8
V 2.9V≦Vcc2≦3.6V, IOUT=2, 10mA, VSET=1, 0=[0:0]
Operating Current ICC - - 200 µA Vcc2=3.6V, IOUT=0A
Standby Current
ISB
-
-
1.0 µA Vcc2=3.6V, IOUT=0A, LDOEN=GND
“H” Input Voltage
VIH
1.4
- Vcc2+0.3 V 2.9V≦Vcc2≦3.6V
“L” Input Voltage
VIL
-0.3
-
0.6 V 2.9V≦Vcc2≦3.6V
●LDO regulator AC operating characteristics
Parameter
Symbol
Specification
Min. Typ. Max.
Vcc1 Rise Time
tVCC1
-
-
5
LDOEN Wait Time
tLDOEN
15
-
-
Unit Test condition
msec VCC1 x 0%→VCC1 x 95% point
msec VCC1 x 0%point→ LDOEN=High
●Output voltage depend on VSET bit
The 2bit data are stored into the VSET memory and output voltage change among VOUT1 to VOUT4.
VSET data are written into non-volatile memory array. Initial VSET data is 1, 0 in VSET[1:0] and VOUT is 2.9V.
STEP
VOUT (typ.) [V]
VSET1
VSET0
VOUT1
3.0
1
1
VOUT2
2.9
1
0
VOUT3
2.8
0
1
VOUT4
2.7
0
0
●Input power supply regulation timing
①Using EEPROM PART
In case of using EEPROM part, be sure to raise Vcc1 up to operating voltage. In this time, Vcc2 has no connection with
operating.
Vcc1
EEPREOEPMROM部電源
Power Supply
Vcc2
LDOレギュレータ部電源
LDO regulator
Power Supply
Not
Op動er作at不in可g
EEOPRpOeMr動at作in可g 能範囲
NO動opt作er不at可ing
EEPOROpMe動ra作tin可g能範囲
動No作t不可
Operating
Figure 3. Using EEPROM Part, Regulation Timing
②Using LDO regulator part
In case of using LDO regulator part, be sure to raise Vcc1 and Vcc2 up to operating voltage.
After rising Vcc1, wait 15msec and rising LDOEN.
When LDOEN is raised, Vcc1 must be operating voltage.
tVcc1:MAX 5msec
tVcc1:MAX 5msec
Vcc1
EEPROM
Power Supply
Vcc2
LDO regulator
Power Supply
LDOEN
tLDOEN : MIN 15msec
tLDOEN : MIN 15msec
Not Operating
Operating
Not
Operating
Operating
Figure 4. Using LDO Regulator Part, Regulation Timing
Not
Operating
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
5/23
TSZ02201-0R2R0G100400-1-2
28.AUG.2012 Rev.001
5 Page 
BU9829GUL-W (16Kbit)
●Typical Performance Curves‐Continued
Datasheet
Figure 25. Standby operation ISB (LDO)
Figure 26. "H" input voltage VIH (LDO)
Figure 27. "L" input voltage VIL (LDO)
Figure 28. Vcc1 rise time tVcc1
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
11/23
TSZ02201-0R2R0G100400-1-2
28.AUG.2012 Rev.001
11 Page | ||
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