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M5M5256DFP-70LL 参数 Datasheet PDF下载

M5M5256DFP-70LL图片预览
型号: M5M5256DFP-70LL
PDF下载: 下载PDF文件 查看货源
内容描述: 262144 - BIT ( 32768 -字×8位)的CMOS静态RAM [262144-BIT (32768-WORD BY 8-BIT) CMOS STATIC RAM]
分类和应用: 存储内存集成电路静态存储器光电二极管
文件页数/大小: 8 页 / 159 K
品牌: RENESAS [ RENESAS TECHNOLOGY CORP ]
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RENESAS LSIs
M5M5256DFP,VP-55LL,-70LL,-70LLI,
-55XL,-70XL
262144-BIT (32768-WORD BY 8-BIT) CMOS STATIC RAM
DESCRIPTION
The M5M5256DFP,VP is 262,144-bit CMOS static RAMs
organized as 32,768-words by 8-bits which is f abricated using
high-perf ormance 3 poly silicon CMOS technology . The use of
resistiv e load NMOS cells and CMOS periphery results in a high
density and low power static RAM. Stand-by current is small
enough f or battery back-up application. It is ideal f or the memory
sy stems which require simple interf ace.
Especially the M5M5256DVP are packaged in a 28-pin thin small
outline package.
PIN CONFIGURATION (TOP VIEW)
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
DQ1
DQ2
1
2
3
4
5
6
7
8
9
10
11
12
Vcc
27
/W
26
A13
25
A8
24
A9
23
A11
22
/OE
21
20
19
18
17
16
15
28
FEATURE
Ty pe
Access Oprating Power supply current
time Temperature Activ e Stand-by
(max)
(max)
(max)
55ns
DQ3
13
GND
14
Outline
A10
/S
DQ8
DQ7
DQ6
DQ5
DQ4
28P2W-C (FP)
M5M5256DFP,VP-55LL
M5M5256DFP,VP-70LL
0~70°C
70ns
20µA
(Vcc= 5.5V)
22
/OE
23
A11
24
A9
25
A8
26
A13
27
/W
28
Vcc
1
A14
2
A12
3
A7
4
A6
5
A5
6
A4
7
A3
M5M5256DFP,VP-70LLI
70ns
-40~85°C
50mA
(Vcc= 5.5V)
40µA
(Vcc= 5.5V)
M5M5256DVP
5µA
M5M5256DFP,VP-55XL
M5M5256DFP,VP-70XL
55ns
70ns
(Vcc= 5.5V)
0~70°C
0.05µA
(Vcc= 3.0V,
Typical)
•Single +5V power supply
•No clocks, no ref resh
•Data-Hold on +2.0V power supply
•Directly TTL compatible : all inputs and outputs
•Three-state outputs : OR-tie capability
•/OE prev ents data contention in the I/O bus
•Common Data I/O
•Battery backup capability
•Low stand-by current .......... 0.05µA(ty p.)
A10
21
/S
20
DQ8
19
DQ7
18
DQ6
17
DQ5
16
DQ4
15
GND
14
DQ3
13
DQ2
12
DQ1
11
A0
10
A1
9
A2
8
Outline
28P2C-A (VP)
PACKAGE
M5M5256DFP
M5M5256DVP
: 28 pin 450 mil SOP
2
: 28pin 8 X 13.4 mm TSOP
APPLICATION
Small capacity m emory units
1