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PDF BU9832GUL-W Data sheet ( Hoja de datos )
| Número de pieza | BU9832GUL-W | |
| Descripción | WLCSP EEPROM | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Datasheet
Serial EEPROM Standard EEPROM
WLCSP EEPROM
BU9832GUL-W (8Kbit)
●General Description
BU9832GUL-W is a serial EEPROM of SPI BUS interface method.
●Features
High speed clock action up to 5MHz (Max.)
Wait function by HOLD terminal.
Part or whole of memory arrays settable as read only memory area by program.
1.8 to 5.5V single power source action most suitable for battery use.
Page write mode useful for initial value write at factory shipment.
For SPI bus interface (CPOL, CPHA) = (0, 0), (1, 1)
Auto erase and auto end function at data rewrite.
Low current consumption
¾ At write action (5V) : 1.5mA (Typ.)
¾ At read action (5V) : 1.0mA (Typ.)
¾ At standby action (5V) : 0.1µA (Typ.)
Address auto increment function at read action
Write mistake prevention function
¾ Write prohibition at power on.
¾ Write prohibition by command code (WRDI).
¾ Write prohibition by WP pin.
¾ Write prohibition block setting by status registers (BP1, BP0)
¾ Write mistake prevention function at low voltage.
Compact package
¾ W(Typ.) x D(Typ.) x H(Max.)
: 2.09mm x 1.85mm x 0.55mm
Data at shipment Memory array: FFh, status register WPEN, BP1, BP0 : 0
Data kept for 40 years.
Data rewrite up to 1,000,000times.
●Page write
Product number
BU9832GUL-W
●BU9832GUL-W
Type
BU9832GUL-W
Number of pages
32 Byte
Capacity
8Kbit
Bit format
1K×8
Power source
voltage
1.8V to 5.5V
Package
VCSP50L2
○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
1/26
TSZ02201-0R2R0G100410-1-2
30.AUG.2012 Rev.001
1 page  
BU9832GUL-W (8Kbit)
●Block Diagram
Datasheet
CS
SCK
SI
HOLD
WP
SO
INSTRUCTION DECODE
CONTROL CLOCK
GENERATION
VOLTAGE
DETECTION
WRITE
INHIBITION
HIGH VOLTAGE
GENERATOR
INSTRUCTION
REGISTER
STATUS REGISTER
ADDRESS
REGISTER
11bit
ADDRESS
11bit
DECODER
DATA
REGISTER
READ/WRITE
8bit 8bit
AMP
1 to64K
EEPROM
●Pin Configuration
(BOTTOM VIEW)
C C1 C2 C3
B B1
B3
A A1 A2 A3
INDEX post
●Pin Descriptions
Land No. Terminal name Input/ Output
1 23
Function
A1 WP
Input
Write protect input
Write status register command is prohibited.
A2 GND
– All input / output reference voltage, 0V
A3 SI
Input
Start bit, ope code, address, and serial data input
B1 SO Output Serial data output
B3 SCK
Input
Serial clock input
C1 CS
C2 Vcc
C3 HOLD
Input
Chip select input
–
Input
Power source to be connected
Hold input
Command communication may be
suspended temporarily (HOLD status)
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
5/26
TSZ02201-0R2R0G100410-1-2
30.AUG.2012 Rev.001
5 Page 
BU9832GUL-W (8Kbit)
●Typical Performance Curves‐Continued
Datasheet
Figure 24. Data output delay time tPD2 (CL=30pF)
Figure 25. Output disable time tOZ
Figure 26. HOLD setting hold time tHF H
Figure 27. HOLD release hold time tHRH
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
11/26
TSZ02201-0R2R0G100410-1-2
30.AUG.2012 Rev.001
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet BU9832GUL-W.PDF ] | |
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