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PDF BR93L86-W Data sheet ( Hoja de datos )
| Número de pieza | BR93L86-W | |
| Descripción | EEPROMs Microwire BUS | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Datasheet
Serial EEPROM Series Standard EEPROM
Microwire BUS EEPROM(3-Wire)
BR93Lxx-W
●General Description
BR93Lxx-W is serial EEPROM of serial 3-line interface method
●Features
3-line communications of chip select, serial clock, serial data
input / output (the case where input and output are shared)
Actions available at high speed 2MHz clock(2.5V to 5.5V)
Speed write available (write time 5ms max.）
Same package and pin layout from 1Kbit to 16Kbit
1.8V to 5.5V single power source action
Address auto increment function at read action
Write mistake prevention function
¾ Write prohibition at power on
¾ Write prohibition by command code
¾ Write mistake prevention function at low voltage
Program cycle auto delete and auto end function
Program condition display by READY / BUSY
Low current consumption
¾ At write action (at 5V) : 1.2mA (Typ.)
¾ At read action (at 5V) : 0.3mA (Typ.)
¾ At standby action (at 5V) : 0.1μA (Typ.)(CMOS input)
TTL compatible( input / outputs)
Data retention for 40 years
Endurance up to 1,000,000 times
Data at shipment all addresses FFFFh
●Packages W(Typ.) x D(Typ.) x H(Max.)
SOP8
TSSOP-B8
5.00mm x 6.20mm x 1.71mm 3.00mm x 6.40mm x 1.20mm
SOP- J8
TSSOP-B8J
4.90mm x 6.00mm x 1.65mm 3.00mm x 4.90mm x 1.10mm
SSOP-B8
MSOP8
3.00mm x 6.40mm x 1.35mm 2.90mm x 4.00mm x 0.90mm
DIP-T8
9.30mm x 6.50mm x 7.10mm
●BR93Lxx-W
Package type
Capacity
1Kbit
2Kbit
4Kbit
8Kbit
16Kbit
Bit format
64×16
128×16
256×16
512×16
1K×16
Type
BR93L46-W
BR93L56-W
BR93L66-W
BR93L76-W
BR93L86-W
Power source
voltage
1.8V to 5.5V
1.8V to 5.5V
1.8V to 5.5V
1.8V to 5.5V
1.8V to 5.5V
SOP8
F RF
●●
●●
●●
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●●
Figure.1
SOP-J8 SSOP-B8 TSSOP-B8
MSOP8
TSSOP-
B8J
DIP-T8
FJ RFJ FV RFV FVT RFVT RFVM RFVJ
-
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○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
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1 page  
BR93Lxx-W
●Block Diagram
CS Command decode
Control
SK Clock generation
DI Command
register
DO Dummy bit
Datasheet
Power source voltage detection
Write
prohibition
Address
buffer
6bit
7bit
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
●Pin Configurations
TOP VIEW
Vcc NC NC
GND
BR93LXX-W:DIP-T8
TOP VIEW
NC GND DO
DI
BR93LXXF-W:SOP8
BR93LXXFJ-W:SOP-J8
BR93LXXFV-W:SSOP-B8*
BR93LXXFVT-W:TSSOP-B8*
TOP VIEW
Vcc NC NC
GND
BR93LXXRF-W:SOP8
BR93LXXRFJ-W:SOP-J8
BR93LXXRFV-W:SSOP-B8
BR93LXXRFVT-W:TSSOP-B8
BR93LXXRFVM-W:MSOP8
BR93LXXRFVJ-W:TSSOP-B8J
CS SK DI DO
NC Vcc CS
*BR93L46/56/66-W
SK
CS SK DI DO
●Pin Descriptions
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
www.rohm.com
©2012 ROHM Co., Ltd. All rights reserved.
TSZ22111･15･001
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15.Oct.2013 Rev.002
5 Page 
BR93Lxx-W
●Typical Performance Curves‐Continued
Datasheet
Figure 22. CS low time tCS
Figure 23. CS hold time tCSH
Figure 24. CS setup time tCSS
Figure 25. DI hold time tDIH
www.rohm.com
©2012 ROHM Co., Ltd. All rights reserved.
TSZ22111･15･001
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TSZ02201-0R2R0G100390-1-2
15.Oct.2013 Rev.002
11 Page | ||
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