BR93A46-WM 데이터 시트보기 (PDF) - ROHM Semiconductor
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BR93A46-WM Datasheet PDF : 41 Pages
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BR93L□□-W Series, 93A□□-WM Series, BR93H□□-WC Series
●Block diagram
Technical Note
CS
Command decode
Control
SK
Clock generation
Command
DI
register
DO
Dummy bit
Power source voltage detection
Write
prohibition
Address
6bit
7bit
buffer
8bit
9bit
10bit
Data
register
16bit
High voltage occurrence
Address
decoder
R/W
amplifier
6bit
7bit
8bit
9bit
10bit
16bit
1,024 bit
2,048 bit
4,096 bit
8,192 bit
16,384 bit
EEPROM
Fig.57 Block diagram
●Pin assignment and function
NC GND DO
DI
BR93LXXF-W/AXXF-WM:SOP8
BR93LXXFJ-W/AXXFJ-WM:SOP-J8
BR93LXXFV-W:SSOP-B8*
BR93LXXFVT-W:TSSOP-B8*
Vcc
NC NC GND
BR93LXXRF-W/AXXRF-WM:SOP8
BR93LXXRFJ-W/AXXRFJ-WM:SOP-J8
BR93LXXRFV-W:SSOP-B8
BR93LXXRFVT-W:TSSOP-B8
BR93LXXRFVM-W/AXXRFVM-WM:MSOP8
BR93LXXRFVJ-W:TSSOP-B8J
NC Vcc
CS
SK
CS
SK
DI
DO
*BR93L46/56/66-W
Fig.58 Pin assignment diagram
Pin name
VCC
GND
CS
SK
DI
DO
NC
I/O
-
-
Input
Input
Input
Output
-
Function
Power source
All input / output reference voltage, 0V
Chip select input
Serial clock input
Start bit, ope code, address, and serial data input
Serial data output, READY / BUSY internal condition display output
Non connected terminal, Vcc, GND or OPEN
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10/40
2011.02 - Rev.F
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