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M5M5256DP-45LL-W Datasheet(PDF) 1 Page - Mitsubishi Electric Semiconductor

Part No. M5M5256DP-45LL-W
Description  262144-BIT (32768-WORD BY 8-BIT) CMOS STATIC RAM
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Maker  MITSUBISHI [Mitsubishi Electric Semiconductor]
Homepage  http://www.mitsubishichips.com
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M5M5256DP-45LL-W Datasheet(HTML) 1 Page - Mitsubishi Electric Semiconductor

   
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MITSUBISHI LSIs
262144-BIT (32768-WORD BY 8-BIT) CMOS STATIC RAM
MITSUBISHI
ELECTRIC
M5M5256DP,KP,FP,VP,RV -45LL-W,-55LL-W,-70LL-W,
-45XL-W,-55XL-W,-70XL-W
'97.4.7
PACKAGE
M5M256DP
: 28 pin 600 mil DIP
M5M5256DKP
: 28 pin 300 mil DIP
M5M5256DFP
: 28 pin 450 mil SOP
M5M5256DVP,RV : 28pin 8 X 13.4 mm
TSOP
•Single +5V power supply
•No clocks, no refresh
•Data-Hold on +2.0V power supply
•Directly TTL compatible : all inputs and outputs
•Three-state outputs : OR-tie capability
•/OE prevents data contention in the I/O bus
•Common Data I/O
•Battery backup capability
•Low stand-by current··········0.05µA(typ.)
APPLICATION
Small capacity memory units
DESCRIPTION
The M5M5256DP,KP,FP,VP,RV is 262,144-bit CMOS static RAMs
organized as 32,768-words by 8-bits which is fabricated using
high-performance 3 polysilicon CMOS technology. The use of
resistive load NMOS cells and CMOS periphery results in a high
density and low power static RAM. Stand-by current is small
enough for battery back-up application. It is ideal for the memory
systems which require simple interface.
Especially the M5M5256DVP,RV are packaged in a 28-pin thin
small outline package.Two types of devices are available,
M5M5256DVP(normal lead bend type package),
M5M5256DRV(reverse lead bend type package). Using both types of
devices, it becomes very easy to design a printed circuit board.
FEATURE
PIN CONFIGURATION (TOP VIEW)
1
20µA
(Vcc=5.5V)
(Vcc=5.5V)
5µA
(max)
Stand-by
(max)
Active
(max)
Power supply current
Type
M5M5256DP, KP, FP,VP,RV-45LL
Access
time
45ns
55mA
M5M5256DP, KP, FP,VP,RV-55LL
M5M5256DP, KP, FP,VP,RV-70LL
55ns
70ns
M5M5256DP, KP, FP,VP,RV-45XL
45ns
M5M5256DP, KP, FP,VP,RV-55XL
M5M5256DP, KP, FP,VP,RV-70XL
55ns
70ns
2
(Vcc=3.0V,
Typical)
0.05µA
(Vcc=5.5V)
1
A14
2
A12
4
A6
5
A5
6
A4
7
A3
8
A2
9
A1
10
A0
3
A7
11
DQ1
12
DQ2
13
DQ3
14
GND
28 Vcc
26 A13
25 A8
24 A9
23 A11
21 A10
DQ8
18
DQ7
17
DQ6
16
DQ5
15
DQ4
27 /W
22 /OE
20 /S
19
M5M5256DVP
-W
1 A14
2 A12
4 A6
5 A5
6 A4
7 A3
3 A7
8
A2
9
A1
10
A0
11
DQ1
12
DQ2
13
DQ3
14
GND
Vcc
28
A13
26
A8
25
A9
24
A11
23
/W
27
/OE
22
A10 21
DQ7 18
DQ6 17
DQ5 16
DQ415
/S 20
DQ8 19
M5M5256DRV
-W
A14
A12
A6
A5
A4
A3
A7
A2
A1
A0
DQ1
DQ2
DQ3
GND
A10
DQ7
DQ6
DQ5
DQ4
Vcc
A13
A8
A9
A11
/W
/OE
/S
DQ8
Outline 28P2C-A (DVP)
Outline 28P2C-B (DRV)
Outline 28P4 (DP)
28P4Y (DKP)
28P2W-C (DFP)
28
27
25
24
23
22
26
21
20
19
18
17
16
15
1
3
4
5
6
2
7
8
11
12
13
14
9
10


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