Datasheet
Serial EEPROM Series Standard EEPROM
SPI BUS EEPROM
BR25Sxxx-W Series
(32K 64K 128K 256K)
●General Description
BR25Sxxx-W series is a serial EEPROM of SPI BUS interface method
●Features
High speed clock action up to 20MHz (Max.)
Wait function by HOLDB terminal
Part or whole of memory arrays settable as read only
memory area by program
1.7V to 5.5V single power source action most suitable
for battery use
Page write mode useful for initial value write at
factory shipment
Highly reliable connection by Au pad and Au wire
For SPI bus interface (CPOL, CPHA) = (0, 0), (1, 1)
Auto erase and auto end function at data rewrite
Low current consumption
¾
At write action (5V)
: 1.5mA (Typ.)
¾
At read action (5V)
: 1.0mA (Typ.)
¾
At standby action (5V) : 0.1μA (Typ.)
Address auto increment function at read action
Write mistake prevention function
¾ Write prohibition at power on
¾ Write prohibition by command code (WRDI)
¾ Write prohibition by WP pin
¾ Write prohibition block setting by status registers
(BP1, BP0)
¾ Write mistake prevention function at low voltage
Data kept for 40 years
Data rewrite up to 1,000,000 times
Data at shipment
Memory array: FFh
Status register: WPEN, BP1, BP0 : 0
●Page write
Page
Part Number
●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
VSON008X2030
2.00mm x 3.00mm x 0.60mm
32Byte
64Byte
BR25S320-W
BR25S640-W
BR25S128-W
BR25S256-W
●BR25Sxxx-W Series
Capacity Bit format
32Kbit
4K×8
Power source
voltage
SOP8
SOP-J8
1.7V to 5.5V
●
●
SSOP-B8 TSSOP-B8 MSOP8
●
●
●
●
●
●
64Kbit
8K×8
1.7V to 5.5V
●
●
●
●
16K×8
1.7V to 5.5V
●
●
●
●
256Kbit
32K×8
1.7V to 5.5V
●
●
www.rohm.com
©2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
VSON008
X2030
●
128Kbit
○Product structure:Silicon monolithic integrated circuit
TSSOP-B8J
○This product is not designed protection against radioactive rays
1/31
TSZ02201-0R2R0G100330-1-2
21.AUG.2012 Rev.001
Datasheet
BR25Sxxx-W Series (32K 64K 128K 256K)
●Absolute Maximum Ratings (Ta=25℃)
Parameter
Symbol
Ratings
Supply Voltage
VCC
-0.3 to +6.5
450 (SOP8)
450 (SOP-J8)
300 (SSOP-B8)
Power Dissipation
Pd
330 (TSSOP-B8)
310 (TSSOP-B8J)
310 (MSOP8)
300 (VSON008X2030)
Storage Temperature
Tstg
-65 to +125
Operating Temperature
Topr
-40 to +85
Terminal Voltage
‐
-0.3 to Vcc+0.3
Unit
V
mW
Remarks
When using at Ta=25℃
When using at Ta=25℃
When using at Ta=25℃
When using at Ta=25℃
When using at Ta=25℃
When using at Ta=25℃
When using at Ta=25℃
or higher 4.5mW to be reduced per 1℃.
or higher 4.5mW to be reduced per 1℃.
or higher 3.0mW to be reduced per 1℃.
or higher 3.3mW to be reduced per 1℃.
or higher 3.1mW to be reduced per 1℃.
or higher 3.1mW to be reduced per 1℃.
or higher 3.0mW to be reduced per 1℃.
℃
℃
V
●Memory cell characteristics (Ta=25°C , Vcc=1.7V to 5.5V)
Limits
Parameter
Min.
Typ.
Number of data rewrite times *1
1,000,000
Data hold years *1
40
-
Max.
-
Unit
Times
Years
*1 Not 100% TESTED
●Recommended Operating Ratings
Parameter
Symbol
Power source voltage
Vcc
Input voltage
VIN
●Input / output capacity (Ta=25°C, frequency=5MHz)
Parameter
Symbol
Min.
Input capacity *1
CIN
-
Output capacity *1
COUT
-
*1
Unit
Ratings
1.7 to 5.5
0 to Vcc
V
Max.
8
8
Unit
pF
Conditions
VIN=GND
VOUT=GND
Not 100% TESTED.
●Electrical characteristics (Unless otherwise specified, Ta=-40°C to +85°C, Vcc=1.7V to 5.5V)
Limits
Parameter
Symbol
Unit
Conditions
Min.
Typ.
Max.
“H” Input Voltage1
VIH1
0.7xVcc
-
Vcc+0.3
V 1.7≦Vcc≦5.5V
“L” Input Voltage1
VIL1
-0.3
-
0.3xVcc
V 1.7≦Vcc≦5.5V
“L” Output Voltage1
VOL1
0
-
0.4
V IOL=2.1mA, 2.5≦Vcc
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- 国内价格 香港价格
- 1+6.009151+0.72912
- 10+4.9268610+0.59780
- 50+3.8849550+0.47138
- 100+3.69110100+0.44786
- 500+3.18227500+0.38612
- 1000+3.069191000+0.37240
- 2000+2.939962000+0.35672
- 4000+2.923814000+0.35476