BR93L□□-W Series, 93A□□-WM Series, BR93H□□-WC Series
Serial EEPROM Series
Technical Note
High Reliability Series
EEPROMs Microwire BUS
BR93L□□-W Series, 93A□□-WM Series
●Description
BR93L□□-W Series, BR93A□□-WM Series are serial EEPROM of serial 3-line interface method
●Features
1) 3-line communications of chip select, serial clock, serial data input / output (the case where input and output are shared)
2) Actions available at high speed 2MHz clock(2.5~5.5V)
3) Speed write available (write time 5ms max.）
4) Same package and pin layout from 1Kbit to 16Kbit
5) 1.8~5.5V (BR93L□□-W Series), 2.5�½�5.5V(BR93A□□-WM Series) single power source action
6) Highly reliable connection by Au pad and Au wire
7) Address auto increment function at read action
8) Write mistake prevention function
Write prohibition at power on
Write prohibition by command code
Write mistake prevention function at low voltage
9) Program cycle auto delete and auto end function
10) Program condition display by READY / BUSY
11) Low current consumption
At write action (at 5V) : 1.2mA (Typ.)
At read action (at 5V) : 0.3mA (Typ.)
At standby action (at 5V) : 0.1μA (Typ.)(CMOS input)
12) TTL compatible( input / output
s
)
*1
13) Compact package SOP8/SOP-J8/SSOP-B8/TSSOP-B8/MSOP8/TSSOP-B8J
14) Data retention for 40 years
15) Data rewrite up to 1,000,000 times
16) Data at shipment all addresses FFFFh
*1 Only SOP8, SOP-J8, MSOP8 for BR93A□□-WM
●BR93L,
BR93A Series
Capacity
Bit format
Type
Power source
voltage
1.8�½�5.5V
1.8�½�5.5V
1.8�½�5.5V
1.8�½�5.5V
1.8�½�5.5V
2.5�½�5.5V
2.5�½�5.5V
2.5�½�5.5V
2.5�½�5.5V
2.5�½�5.5V
SOP8
F
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RF
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SOP-J8
FJ
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RFJ
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SSOP-B8
FV
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RFV
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TSSOP-B8
FVT RFVT
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MSOP8
RFVM
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TSSOP-B8J
RFVJ
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Package type
1Kbit
2Kbit
4Kbit
8Kbit
16Kbit
1Kbit
2Kbit
4Kbit
8Kbit
16Kbit
64×16
128×16
256×16
512×16
1K×16
64×16
128×16
256×16
512×16
1K×16
BR93L46-W
BR93L56-W
BR93L66-W
BR93L76-W
BR93L86-W
BR93A46-WM
BR93A56-WM
BR93A66-WM
BR93A76-WM
BR93A86-WM
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2011.02 - Rev.F
ROHM [ ROHM ]
