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UC62WV0256BC-55 датащи(PDF) 1 Page - List of Unclassifed Manufacturers

номер детали UC62WV0256BC-55
подробное описание детали  Low Power CMOS SRAM 32K X8 Bits
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производитель  ETC [List of Unclassifed Manufacturers]
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Low Power CMOS SRAM
32K X8 Bits
UC62WV0256
-35/-55/-70
Features:
• Vcc operation voltage :
2.0V ~ 5.6V
• Low power consumption :
15mA (Max.) operating current
2uA (Typ.) CMOS standby current
• High Speed Access time :
35ns (Max) at Vcc = 2.7V
55ns (Max) at Vcc = 2.7V
70ns (Max.) at Vcc= 2.0V
• Automatic power down when chip is deselected
• Three state outputs and TTL compatible
• Data retention supply voltage as low as 1.2V
• Easy expansion with CE\ and OE\ options
Description
The UC62WV0256 is a high performance, very low
power CMOS Static Random Access Memory organized as
32,768 words by 8 bits and operates from a wide range of
2.7V to 5.6V supply voltage. Advanced CMOS technology
and circuit techniques provide both high speed and low
power features with a typical CMOS standby current of 1uA
and maximum access time of 70ns in 2.0V operation.
Easy memory expansion is provided enable (CE), and
active LOW output enable (OE) and three-state output
drivers.
The UC62WV0256 has an automatic power down
feature, reducing the power consumption significantly when
chip is deselected.
The UC62WV0256 is available in the JEDEC standard 28 pin
330mil Plastic SOP, 300mil Plastic SOJ, 600mil Plastic DIP
and 8mmx13.4mm TSOP (normal type).
PRODUCT FAMILY
Power Consumption
Speed
(ns)
STANDBY
VCC=5.6V
Operating(Max)
Product Family
Operating
Temperature
Vcc Range
Vcc=2.7V
Vcc=5.0V
35ns
55ns
70ns
Package
Type
UC62WV0256BC
SOP-28
UC62WV0256CC
TSOP-28
UC62WV0256DC
PDIP-28
UC62WV0256EC
SOJ-28
UC62WV0256AC
0℃ ~ 70℃
2.0V ~ 5.6V
35/55/70
4uA
25mA
18mA
15mA
DICE
UC62WV0256BI
SOP-28
UC62WV0256CI
TSOP-28
UC62WV0256DI
PDIP-28
UC62WV0256EI
SOJ-28
UC62WV0256AI
-25℃ ~ 85
2.0V ~ 5.6V
35/55/70
4uA
25mA
18mA
15mA
DICE
PIN CONFIGURATIONS
A14
1
A12
2
A7
3
A6
4
A5
5
A4
6
A3
7
A2
8
A1
9
A0
10
DQ0
11
DQ1
12
DQ2
13
GND
14
VCC
28
WE
27
A13
26
A8
25
A9
24
A11
23
OE
22
A10
21
CE
20
DQ7
19
DQ6
18
DQ5
17
DQ4
16
DQ3
15
UC62WV0256BC
UC62WV0256DC
UC62WV0256EC
OE
1
A11
2
A9
3
A8
4
A13
5
WE
6
VCC
7
A14
8
A12
9
A7
10
A6
11
A5
12
A4
13
A3
14
A10
28
CE
27
DQ7
26
DQ6
25
DQ5
24
DQ4
23
DQ3
22
GND
21
DQ2
20
DQ1
19
DQ0
18
A0
17
A1
16
A2
15
UC62WV0256BI
UC62WV0256DI
UC62WV0256EI
UC62WV0256CI
UC62WV0256CC
BLOCK DIAGRAM
MEMORY ARRAY
32K X 8 Bits
COLUMN DECODER
SENSE AMPLIFIER
&
WRITE DRIVER
I/O BUFFER
X8
COL
Address
ROW
Address
CE
WE
OE
CE
WE
OE
U-Chip Technology Corp. LTD.
Revision 2.0
Reserves the right to modify document contents without notice.
PAGE
1


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