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PDF BR25A1M-3M Data sheet ( Hoja de datos )
| Número de pieza | BR25A1M-3M | |
| Descripción | Operation SPI BUS EEPROM | |
| Fabricantes | ROHM Semiconductor | |
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Datasheet
Serial EEPROM Series Automotive EEPROM
105°C Operation SPI BUS EEPROM
BR25A1M-3M
General Description
BR25A1M-3M is a 1Mbit Serial EEPROM of SPI BUS Interface.
Features
High Speed Clock Action up to 10MHz (Max)
Wait Function by HOLDB Terminal
Part or Whole of Memory Arrays Settable as
Read only Memory Area by Program
2.5V to 5.5V Single Power Source Operation Most
Suitable for Battery Use
Up to 256 Bytes in Page Write Mode
For SPI Bus Interface (CPOL, CPHA) = (0, 0), (1, 1)
Self-timed Programming Cycle
Low Current Consumption
¾ At Write Action (5V)
: 0.7mA (Typ)
¾ At Read Action (5V)
: 2.4mA (Typ)
¾ At Standby Action (5V)
: 0.1µA (Typ)
Address Auto Increment Function at Read Action
Prevention of Write Mistake
¾ Write Prohibition at Power On
¾ Write Prohibition by Command Code (WRDI)
¾ Write Prohibition by WPB Pin
¾ Write Prohibition Block Setting by Status Registers
(BP1, BP0)
¾ Prevention of Write Mistake at Low Voltage
More than 100 years Data Retention
More than 1 Million Write Cycles
Bit Format 128K×8
Initial Delivery Data
Memory Array : FFh
Status Register : WPEN, BP1, BP0 : 0
Packages W(Typ) x D(Typ) x H(Max)
SOP8
5.00mm x 6.20mm x 1.71mm
SOP- J8
4.90mm x 6.00mm x 1.65mm
Figure 1.
○Product structure：Silicon monolithic integrated circuit
www.rohm.com
©2014 ROHM Co., Ltd. All rights reserved.
TSZ22111･14･001
○This product is not designed protection against radioactive rays
1/27
TSZ02201-0R1R0G100400-1-2
03.Oct.2014 Rev.002
1 page  
BR25A1M-3M
Typical Performance Curves
(The following characteristic data are Typ Values.)
Datasheet
6
5
Ta=-40°C
Ta= 25°C
Ta= 105°C
4
3
SPEC
2
1
0
0 12 3 45 6
Vcc [V]
Figure 5. Input High Voltage vs Supply Voltage
(CSB,SCK,SI,HOLDB,WPB)
6
5
Ta=-40°C
Ta= 25°C
Ta= 105°C
4
3
2
1
SPEC
0
0 12 34 56
Vcc [V]
Figure 6. Input Low Voltage vs Supply Voltage
(CSB,SCK,SI,HOLDB,WPB)
1
0.8
Ta=-40°C
Ta= 25°C
Ta= 105°C
0.6
0.4
SPEC
0.2
0
0 12 34 56
IOL [mA]
Figure 7. Output Low Voltage vs Output Current
(Vcc=2.5V)
2.6
2.5
2.4
2.3
Ta=-40°C
Ta= 25°C
Ta= 105°C
SPEC
2.2
0 0.5 1 1.5 2 2.5
IOH [mA]
Figure 8. Output High Voltage vs Output Current
(Vcc=2.5V)
www.rohm.com
©2014 ROHM Co., Ltd. All rights reserved.
TSZ22111･15･001
5/27
TSZ02201-0R1R0G100400-1-2
03.Oct.2014 Rev.002
5 Page 
BR25A1M-3M
Typical Performance Curves‐Continued
Datasheet
60
Ta=-40°C
Ta= 25°C
50 Ta= 105°C
40 SPEC
30
20
10
0
0 12 3 45 6
Vcc [V]
Figure 29. OUTPUT Fall Time vs Supply Voltage
6
5 SPEC
4
3
2
Ta=-40°C
Ta= 25°C
1 Ta= 105°C
0
0 12 3 45 6
Vcc [V]
Figure 30. Write Cycle Time vs Supply Voltage
www.rohm.com
©2014 ROHM Co., Ltd. All rights reserved.
TSZ22111･15･001
11/27
TSZ02201-0R1R0G100400-1-2
03.Oct.2014 Rev.002
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet BR25A1M-3M.PDF ] | |
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