BU9888FV-W Datasheet, PDF (1/17 Pages) Rohm – High Reliability Serial EEPROMs

High Reliability Serial EEPROMs
Microwire BUS
BR93□□□family
BU9888FV-W
●Description
BU9888FV-W is a serial EEPROM of serial 3-line interface method.
●Features
1) 256word×16bits architecture 4k bit serial EEPROM
2) Operating voltage range(3.0～3.6V)
3) Address auto increment function at read action
4) Write mistake prevention function
Write prohibition at power on
Write prohibition by command code
Write mistake prevention function at low voltage
5) Program cycle auto delete and auto end function
6) Program condition display READY / BUSY
7) Low current consumption
At write action(3.6V):
Icc1 = 3.5mA(Max.)
At read action(3.6V):
Icc2 = 2.0mA(Max.)
At standby action (3.6V) :
ISB = 2.0μA(Max.)
8) Compact package SSOP-B8pin
9) Data retention for 40 years
10) Data rewrite up to 100,000 times
11) Data at shipment all addresses FFFFh
●Absolute maximum rating (Ta=25℃)
Parameter
Symbol
Ratings
Unit
Supply Voltage
Vcc
-0.3～+6.5
V
Power Dissipation
Pd
300 *1
mW
Storage Temperature
Tstg
-65 ～+125
℃
Operating Temperature
Topr
-20 ～+85
℃
Terminal Voltage
－
-0.3～Vcc+0.3 *2
V
*1 Degradation is done at 3.0mW/℃ for operation above 25℃
*2 The Max value of Terminal Voltage is not over 6.5V
●EEPROM recommended operating condition
Parameter
Symbol
Ratings
Unit
Supply Voltage
Input Voltage
Vcc
3.0～3.6
V
VIN
0 ～ Vcc
●Memory cell characteristics(Ta=25℃, Vcc = 3.0～3.6V)
Parameter
Min.
Limits
Typ.
Erase/Write Cycle *1
100,000 －
Data Retention
*1
*1 Not 100％ TESTED
40
－
Max.
－
－
Unit
Cycles
Years
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© 2011 ROHM Co., Ltd. All rights reserved.
1/16
No.11001EAT20
2011.01 - Rev.A