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Rohm Semiconductor Electronic Components Datasheet

BR6265BF-N10SL Datasheet

8K x 8-Bit SRAM

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Memory ICs
8k × 8 Bit SRAM
BR6265BF-N10SL
The BR6265BF-N10SL is an 8192 word × 8 bit CMOS static RAM. It runs on a 5V single power supply, and input can
be directed coupled with TTL. Current dissipation in the non-selected state is extremely low at 20µA (max.), and
memory information can be retained even at a low voltage of 2V, making this product ideal for battery backup opera-
tions.
Both the access and cycle timing are 100ns, facilitating timing design.
Applications
General-purpose
DataShee
Features
1) SRAM with an 8192 × 8 bit configuration.
5) Input and output use the same pin, and there are 3
2) 5V single power supply voltage with ± 10% fluctua-
output states.
tion tolerance.
6) No clock is necessary (asynchronous static circuit).
3) High speed access time of 100ns.
7) Input and output data are in the same phase.
4) TTL compatible input / output.
DataSheet48U).Lcoowmpower dissipation.
Block diagram
A8
A5
A6
A7
A12
A9
A11
I / O0
I / O7
ROW
ADDRESS
BUFFER
ROW
DECORDER
65536BIT
(128 × 512)
MEMORY CELL ARRAY
INPUT DATA
CONTROL
COLUMN SWITCH
COLUMN DECODER
OUTPUT DATA
CONTROL
COLUMN ADDRESS BUFFER
A0 A1 A2 A3 A4 A10
DataSheet4U.com
CE1
CE2
OE
WE
CONTROL
BUFFER
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1


Rohm Semiconductor Electronic Components Datasheet

BR6265BF-N10SL Datasheet

8K x 8-Bit SRAM

No Preview Available !

www.DataSheet4U.com
Memory ICs
Absolute maximum ratings (Ta = 25°C)
Parameter
Power supply voltage
Power dissipation
Symbol
VCC
Pd
Limits
– 0.51 ~ + 7.0
8502
Operating temperature
Topr
0 ~ 70
Storage temperature
Tstg – 55 ~ + 125
I / O voltage
VI – 0.5 ~ VCC + 0.5
1 At pulse width of 50 ns : – 3.0V (min.)
2 Reduced by 8.5mW for each increase in Ta of 1°C over 25°C.
Unit
V
mW
°C
°C
V
Recommended operating conditions (Ta = 25°C)
et4U.com
Parameter
Power supply voltage
Input high level voltage
Input low level voltage
Ambient temperature
Symbol
VCC
VIH
VIL
Ta
Min.
4.5
2.2
– 0.3
0
Typ.
5.0
Max.
5.5
VCC + 0.5
0.8
70
Unit
V
V
V
°C
Pin descriptions
Pin No.
Pin name
1 NC
2 ~ 10, 21,
23 ~ 25
A0 ~ A12
11 ~ 13,
15 ~ 19
I / O0 ~ I / O7
20 CE1
26 CE2
22 OE
27 WE
28 VCC
14 VSS
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Function
Internal chip and not connected
8192-byte memory address input
8-bit data I / O
Chip enable control input
Chip enable control input
Output enable control input
Write enable control input
5V ± 10%power supply
Reference voltage for all input / output, 0V
BR6265BF-N10SL
DataShee
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2
DataSheet4 U .com


Part Number BR6265BF-N10SL
Description 8K x 8-Bit SRAM
Maker Rohm
Total Page 11 Pages
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