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BU9847GUL-WE2 Fiches technique(PDF) 4 Page - Rohm

No de pièce BU9847GUL-WE2
Description  WL-CSP EEPROM family I2C BUS
Download  19 Pages
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Fabricant  ROHM [Rohm]
Site Internet  http://www.rohm.com
Logo ROHM - Rohm

BU9847GUL-WE2 Fiches technique(HTML) 4 Page - Rohm

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Technical Note
4/18
BU9847GUL-W
www.rohm.com
2010.09 - Rev.A
© 2010 ROHM Co., Ltd. All rights reserved.
Block diagram
Pin assignment and description
Land No.
Terminal name
Input/ Output
Function
B3
A2
Input
Slave address setting terminal
B2
GND
-
Reference voltage of al input / output, 0V
B1
SDA
Input/Output
Slave and word address, Serial data input serial data output.
A3
Vcc
-
Connect the power source.
A2
WP
Input
Write protect terminal
A1
SCL
Input
Serial clock input
Characteristic data (The following values are Typ. ones.)
Fig.2 Block diagram
SDA
SCL
WP
A2
4Kbit EEPROM array
Address
decoder
Slave – word
address register
Data
register
Control circuit
High voltage
generating circuti
Power source
voltage detection
9bit
9bit
8bit
ACK
START
STOP
VCC
GND
3
B
A
○ ○
1
2
A1
A2
B1
B2
A3
B3
INDEX Post
Fig.3 BU9847GUL-W(bottom view)
0
1
2
3
4
5
6
012
3
456
Vcc[V]
SPEC
0
1
2
3
4
5
6
01
234
56
Vcc[V]
SPEC
0
0.2
0.4
0.6
0.8
1
0
1
2345
6
IOL2[mA]
SPEC
Fig.4 H input voltage VIH1,2,3
(A2,SCL,SDA,WP)
Fig.5 L input voltage VIL1,2,3
(A2,SCL,SDA,WP)
Fig.6 L output voltage VOL2-IOL2
(VCC=1.7V)
Ta=85°C
Ta=25°C
Ta=-40°
Ta=85°C
Ta=25°C
Ta=-40°
Ta=85°C
Ta=25°C
Ta=-40°


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