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MFG:ROHM  Package Cooled:SOP 28  D/C:04+  

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Part Number: BR62256F-70LL

 

MFG: ROHM

Package Cooled: SOP 28

D/C: 04+

Description: The BR62256F-70LL is a 32768 word ´ 8 bit asynchronous high-speed CMOS static RAM. It runs on a 5V single power s...


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BR62256F-70LL General Description


The BR62256F-70LL is a 32768 word ´ 8 bit asynchronous high-speed CMOS static RAM. It runs on a 5V single power supply, and in addition to its low power consumption and high-speed, its low standby current enables its use in battery backup applications.

BR62256F-70LL Maximum Ratings

Parameter
Symbol
Limits
Unit
Applied voltage
VCC
0.5*1 ~ + 7.0
V
Power dissipation
Pd
850*2
mW
Storage temperature
Tstg
55 ~ + 125
°C
Operating temperature
Topr
0 ~ + 70
°C
I / O voltage
VI / O
0.5 ~ VCC + 0.5
V
Input voltage
VIN
0.5 ~ VCC + 0.5
V
*1 At pulse width of 50ns: 3.0V (min.)
*2 Reduced by 8.5mW for each increase in Ta of 1°C over 25°C.

BR62256F-70LL Features

· SRAM with a 32768 word ´ 8 bit configuration.
· High speed read access time of 70ns maximum (Ta = 0 to 70°C).
· Battery backup is possible.
    Standby current: 50mA max. (Ta = 0 to 70°C)
    Data holding current: 3mA max. (Ta = 0 to 70°C)
·5V single power supply voltage with ± 10% fluctuation tolerance.
· Input / output TTL compatible.
·Common input / output pin with three output statuses.
· No clock is necessary (asynchronous static circuit).
·Input and output data are in the same phase.
· Low power consumption.

BR62256F-70LL Typical Application

·General-purpose

BR62256F-70LL Connection Diagram

BR62256F-70LL  Connection Diagram

BR62256F-70LL datasheet

BR60
PDF/DataSheet Download

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