Rcaflga_jLmrc
High Reliability Serial EEPROMs
SPI BUS Serial EEPROMs BR25˘˘˘˘family
BR25L010-W series, BR25L020-W series, BR25L040-W series, BR25L080-W series,
BR25L160-W series, BR25L320-W series, BR25L640-W series
Lm,/.../
[email protected]
Description BR25LŜŜŜ-W series is a serial EEPROM of SPI BUS interface method.
Features · · · · · · · · ·
· ·
· · · ·
*1 BR25L080/160-W : SOP8, SOP-J8, SSOP-B8, TSSOP-B8 *2 BR25L320/640-W : SOP8, SOP-J8
Page write
Number of pages
16 Byte
Product number
BR25L010-W BR25L020-W BR25L040-W
32 Byte
BR25L080-W BR25L160-W BR25L320-W BR25L640-W
BR25L series
Capacity 1Kbit 2Kbit 4Kbit 8Kbit
16Kbit 32Kbit 64Kbit
Bit format 128 X 8 256 X 8 512 X 8 1K X 8 2K X 8 4K X 8 8K X 8
Type BR25L010-W BR25L020-W BR25L040-W BR25L080-W BR25L160-W BR25L320-W BR25L640-W
Power source voltage
1.8 ~ 5.5V 1.8 ~ 5.5V 1.8 ~ 5.5V
1.8 ~ 5.5V 1.8 ~ 5.5V 1.8 ~ 5.5V 1.8 ~ 5.5V
SOP8 F
SOP-J8 SSOP-B8 TSSOP-B8 MSOP8 TSSOP-B8J
FJ
FV
FVT
FVM
FVJ
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2010.07 - Rev. B
BR25L010-W, BR25L020-W, BR25L040-W, BR25L080-W, BR25L160-W, BR25L320-W, BR25L640-W Technical Note
Absolute maximum ratings (Ta = 25˚C)
Parameter Symbol
Limits
Unit
Impressed voltage
VCC
-0.3 ~ +6.5
V
450(SOP8) *1
Permissible dissipation
450(SOP-J8) *2
Pd
300(SSOP-B8) *3 mW
330(TSSOP-B8) *4
310(MSOP8) *5
310(TSSOP-B8J) *6
Storage temperature range
Tstg
-65 ~ +125
˚C
Operating temperature range
Topr
-40 ~ +85
˚C
Terminal voltage
–
-0.3 ~ VCC+0.3
V
¢When using at Ta = 25˚C or higher, 4.5mW (*1, *2), 3.0mW (*3), 3.3mW(*4), 3.1mW (*5, *6) to be reduced per 1˚C
Recommended action conditions
Parameter
Symbol
Limits
Unit
Power source voltage
VCC
1.8 ~ 5.5
V
Input voltage
Vin
0 ~ VCC
Memory cell characteristics (Ta=25˚C, VCC=1.8 ~ 5.5V)
Parameter
Limits
Unit
Min.
Typ.
Max.
Number of data rewrite times *1 1,000,000
–
–
Times
Data hold years
*1
40
–
–
Years
*1:Not 100% TESTED
Input / output capacity (Ta=25˚C, frequency=5MHz)
Parameter Symbol Conditions Min.
Max.
Unit
Input capacity *1 CIN VIN=GND
–
8
pF
Output capacity*1 COUT VOUT=GND
–
8
pF
*1:Not 100% TESTED
Electrical characteristics (Unless otherwise specified, Ta = – 40 ~ +85˚C, VCC = 1.8 ~ 5.5V)
Parameter
Limits
Symbol Min. Typ. Max.
Unit
Conditions
"H" input voltage 1
VIH1
0.7x VCC
–
VCC +0.3
V
1.8≤VCC≤5.5V
"L" input voltage 1 "L" output voltage 1 "L" output voltage 2 "H" output voltage 1
VIL1
-0.3
–
0.3x VCC
V
1.8≤VCC≤5.5V
VOL1
0
– 0.4
V
IOL=2.1mA(VCC=2.5V ~ 5.5V)
VOL2
0
– 0.2
V
IOL=150μA(VCC=1.8V ~ 2.5V)
VOH1
VCC -0.5
–
VCC
V
IOH=-0.4mA(VCC=2.5V ~ 5.5V)
"H" output voltage 2
VOH2
VCC -0.2
–
VCC
V
IOH=-100μA(VCC=1.8V ~ 2.5V)
Input leak current
ILI
-1
–
1
μA VIN=0 ~ VCC
Output leak current
ILO
-1
–
1
μA VOUT=0 ~ VCC,CS=VCC VCC=1.8V,fSCK=2MHz,tE/W=5ms
Byte write
ICC1
–
– 1.0
mA Page write
Write status register
VCC=2.5V,fSCK=5MHz,tE/W=5ms
Current consumption at write
Byte write
action
ICC2
–
– 2.0
mA Page write
Write status register
VCC=5.5V,fSCK=5MHz,tE/W=5ms
Byte write
ICC3
–
– 3.0
mA Page write
Write status register
VCC=2.5V,fSCK=5MHz
ICC4
–
–
1.5
mA Read
Current consumption at read
Read status register
action
VCC=5.5V,fSCK=5MHz
ICC5
–
– 2.0
mA Read
Read status register
Standby current
ISB
–
–
2
μA
VCC=5.5V CS=HOLD=WP=VCC,SCK=SI=VCC or =GND,SO=OPEN
• Radiation resistance design is not made.
Block diagram
CS SCK
INSTRUCTION DECODE CONTROL CLOCK GENERATION
VOLTAGE DETECTION
WRITE INHIBITION
HIGH VOLTAGE GENERATOR
SI HOLD
INSTRUCTION REGISTER
WP
SO
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STATUS REGISTER
ADDRESS REGISTER
ADDRESS 7~13bit *1 DECODER
7~13bit *1
DATA REGISTER
READ/WRITE
8bit AMP
8bit
1K~64K EEPROM
Fig.1 Block diagram
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*1 7bit : BR25L010-W 8bit : BR25L020-W 9bit : BR25L040-W
10bit : BR25L080-W 11bit : BR25L160-W 12bit : BR25L320-W 13bit : BR25L640-W
2010.07 - Rev. B
BR25L010-W, BR25L020-W, BR25L040-W, BR25L080-W, BR25L160-W, BR25L320-W, BR25L640-W Technical Note
Pin assignment and description
VCC HOLD SCK SI
BR25L010-W BR25L020-W BR25L040-W BR25L080-W BR25L160-W BR25L320-W BR25L640-W
CS SO WP GND Fig. 2 Pin assignment diagram
Terminal name Input/output
Function
VCC
–
Power source to be connected
GND CS SCK
– Input Input
All input / output reference voltage, 0V Chip select input Serial clock input
SI
Input Start bit, ope code, address, and serial data input
SO
Output Serial data output
HOLD
Input
Hold input Command communications may be suspended temporarily (HOLD status).
Write protect input
WP
Input Write command is prohibited.*1
Write status register command is prohibited.
*1:BR25L010/020/040-W
Operating timing characteristics (Ta = -40 ~ +85˚C, unless otherwise specified, load capa.