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BR25H040-WC 데이터시트 PDF




ROHM Semiconductor에서 제조한 전자 부품 BR25H040-WC은 전자 산업 및 응용 분야에서
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부품번호 BR25H040-WC 기능
기능 Automotive Series Serial EEPROMs
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BR25H040-WC 데이터시트, 핀배열, 회로
Datasheet
Automotive Series Serial EEPROMs
125°C SPI BUS ICs BR25xxxxFamily
BR25Hxxx-WC Series
(1K 2K 4K 8K 16K 32K)
Description
BR25Hxxx-WC series is a serial EEPROM of SPI BUS interface method.
Features
„ High Speed Clock Action Up to 5MHz (Max)
„ Wait Function by HOLDB Terminal.
„ Part or Whole of Memory Arrays Settable as Read
Only Memory Area by Program.
„ 2.5 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 WPB Pin.
¾ Write Prohibition Block Setting by Status
Registers (BP1, BP0)
¾ Write Mistake Prevention Function at Low
Voltage.
„ Data at Shipment Memory Array: FFh, Status
Register WPEN, BP1, BP0 : 0
„ Data Kept for 40 Years.
„ Data Rewrite Up to 1,000,000 Times.
„ AEC-Q100 Qualified
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
TSSOP-B8
3.00mm x 6.40mm x 1.20mm
Page Write
Number of pages
Product Number
16 Byte
BR25H010-WC
BR25H020-WC
BR25H040-WC
BR25Hxxx-WC Series
Capacity Bit Format
1Kbit
128×8
2Kbit
256×8
4Kbit
512×8
8Kbit
1K×8
16Kbit
2K×8
32Kbit
4Kx8
Type
BR25H010-WC
BR25H020-WC
BR25H040-WC
BR25H080-WC
BR25H160-WC
BR25H320-WC
32 Byte
BR25H080-WC
BR25H160-WC
BR25H320-WC
Power Source Voltage
2.5 to 5.5V
2.5 to 5.5V
2.5 to 5.5V
2.5 to 5.5V
2.5 to 5.5V
2.5 to 5.5V
SOP8
SOP-J8
TSSOP-B8
Product structureSilicon monolithic integrated circuit
.www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product is not designed protection against radioactive rays
1/29
TSZ02201-0R1R0G100060-1-2
31.Oct.2013 Rev.002




BR25H040-WC pdf, 반도체, 판매, 대치품
BR25Hxxx-WC Series (1K 2K 4K 8K 16K 32K)
Block Diagram
Datasheet
CSB
SCK
SI
HOLDB
WPB
INSTRUCTION DECODE
CONTROL CLOCK
GENERATION
INSTRUCTION
REGISTER
VOLTAGE
DETECTION
WRITE
INHIBITION
HIGH VOLTAGE
GENERATOR
(Note1)
7bit: BR25H010-WC
8bit: BR25H020-WC
9bit: BR25H040-WC
10bit: BR25H080-WC
11bit: BR25H160-WC
12bit: BR25H320-WC
STATUS REGISTER
ADDRESS
( Note1)
712bit
REGISTER
ADDRESS
(No te 1)
712bit
DECODER
DATA
REGISTER
READ/WRITE
8bit
AMP
8bit
132K
EEPROM
SO
Pin Configuration
Figure 4. Block diagram
Vcc HOLDB SCK
SI
BR25H010-WC
BR25H020-WC
BR25H040-WC
BR25H080-WC
BR25H160-WC
BR25H320-WC
Pin Description
Terminal name
VCC
GND
CSB
SCK
SI
SO
HOLDB
Input/Output
-
-
Input
Input
Input
Output
Input
WPB
Input
(Note1) BR25H010/020/040-WC
CSB SO WPB GND
Figure 5. Pin Configuration
Function
Power source to be connected
All input / output reference voltage, 0V
Chip select input
Serial clock input
Start bit, ope code, address, and serial data input
Serial data output
Hold input
Command communications may be suspended temporarily (HOLD
status)
Write protect input
Write command is prohibited (Note1)
Write status register command is prohibited.
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
4/29
TSZ02201-0R1R0G100060-1-2
31.Oct.2013 Rev.002

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BR25H040-WC 전자부품, 판매, 대치품
BR25Hxxx-WC Series (1K 2K 4K 8K 16K 32K)
Typical Performance Curves - continued
Datasheet
Figure 14. Standby Current vs Supply Voltage
Figure 15. SCK Frequency vs Supply Voltage
Figure 16. SCK High Time vs Supply Voltage
Figure 17. SCK Low Time vs Supply Voltage
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
7/29
TSZ02201-0R1R0G100060-1-2
31.Oct.2013 Rev.002

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BR25H040-W

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Automotive Series Serial EEPROMs

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