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PDF BR6265BF-N10SL Data sheet ( Hoja de datos )
| Número de pieza | BR6265BF-N10SL | |
| Descripción | 8K x 8-Bit SRAM | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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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
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CE1
CE2
OE
WE
CONTROL
BUFFER
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Memory ICs
•Operating modes
Control pin
OE CE1 CE2 WE
Mode
X H X X Wait state
X X L X Wait state
H L H H Output disabled
L L H H Read
X L H L Write
X : Either VIL or VIH
BR6265BF-N10SL
I/O
High impedance
High impedance
High impedance
Data output
Data output
Power dissipation
Standby state
Standby state
Operating state
Operating state
Operating state
•AC test conditions (Ta = 0 to 70°C, VCC = 5V ± 10%)
Input pulse level : 0.8 to 2.4V
et4U.coImnput rise / fall time : 5ns
I / O timing level : 1.5V
Output load
: 1 TTL gate and CL = 100pF
DataShee
•Read cycle
Parameter
Read cycle time
Address access time
CE1 access time
CE2 access time
OE access time
Output hold time
CE1 output set time
CE2 output set time
OE output reset time
CE1 deselect output floating
CE2 deselect output floating
OE disable output floating
Symbol
Min.
Max.
tRC DataS1h00eet4U.co—m
tAA — 100
tCO1 — 100
tCO2 — 100
tOE — 40
tOH 10 —
tLZ1 10
—
tLZ2 10
—
tOLZ 5
—
tHZ1 — 35
tHZ2 — 35
tOHZ
—
35
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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Memory ICs
•External dimensions (Units: mm)
et4U.com
18.0 ± 0.2
28
15
1
1.27
14
0.40 ± 0.10
0.5Min.
SOP-N28
0.10
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BR6265BF-N10SL
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11
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| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet BR6265BF-N10SL.PDF ] | |
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