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BR93H86RFVM-2C Datasheet(PDF) 4 Page - Rohm

Part No. BR93H86RFVM-2C
Description  Serial EEPROM Series Automotive EEPROM 125℃ Operation Microwire BUS EEPROM (3-wire)
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Maker  ROHM [Rohm]
Homepage  http://www.rohm.com
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BR93H86RFVM-2C Datasheet(HTML) 4 Page - Rohm

 
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BR93H86-2C
4/29
Datasheet
Datasheet
www.rohm.com
19.DEC.2012 Rev.002
TSZ02201-0R1R0G100050-1-2
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
Serial Input / Output Timing
○Data is taken from DI, in sync with the rise of SK.
○At READ command, data is outputted from DO in sync with the rise of SK.
○After WRITE command input, the status signal of WRITE (READY / BUSY) can be monitored from DO by setting CS to “H”
after tCS, from the fall of CS, and will display a valid status until the next command start bit is inputted.
But, if CS is set to
“L”, DO sets to High-Z state.
○To execute a series of commands, CS is set to “L” once after completion of each command for internal circuit reset
Block Diagram
Figure 1 Serial Input / Output Timing Diagram
Figure 2 Block Diagram
Command decode
Control
Clock generation
Power source voltage detection
Write
prohibition
High voltage occurrence
Command
register
Address
buffer
SK
DI
Dummy bit
DO
Data
register
R/W
amplifier
16bit
16bit
16,384 bit
EEPROM
CS
Address
decoder
10bit
10bit
tCSS
CS
SK
tDF
tSKH
tSKL
tCSH
STATUS VALID
DI
DO(READ)
DO(WRITE)
tDIH
tDIS
tPD0
tPD1


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