DYNAMIC RAM. MSM54V32128 Datasheet

MSM54V32128 RAM. Datasheet pdf. Equivalent

Part MSM54V32128
Description (MSM54V32126 / MSM54V32128) DYNAMIC RAM
Feature E2L0046-17-Y1 www.DataSheet4U.com ¡ Semiconductor ¡ Semiconductor MSM54V32126/8 DESCRIPTION This v.
Manufacture OKI electronic
Datasheet
Download MSM54V32128 Datasheet




MSM54V32128
E2L0046-17-Y1
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This veMrsSioMn:54JaVn3.21192968/8
Previous version: Dec. 1996
MSM54V32126/8
131,072-Word ¥ 32-Bit DYNAMIC RAM : FAST PAGE MODE TYPE WITH EDO
DESCRIPTION
The MSM54V32126/8 is a new generation Graphics DRAM organized in a 131,072-word ¥ 32-bit
configuration. The technology used to fabricate the MSM54V32126/8 is OKI's CMOS silicon gate
process technology. The device operates with a single 3.3 V power supply.
FEATURES
• 131,072-word ¥ 32-bit organization
• Single 3.3 V power supply, ±0.3 V tolerance
• Refresh: 512 cycles/8 ms
• Fast Page Mode with Extended Data Out (EDO)
• Write per bit (MSM54V32128 only)
• Byte write, Byte read
RAS only refresh
CAS before RAS refresh
CAS before RAS self-refresh
• Hidden refresh
• Package:
64-pin 525 mil plastic SSOP (SSOP64-P-525-0.80-K)
(Product : MSM54V32126-xxGS-K)
(Product : MSM54V32128-xxGS-K)
xx indicates speed rank.
PRODUCT FAMILY
Family
MSM54V32126/8-50
MSM54V32126/8-60
Access Time (Max.)
tRAC tAA tCAC tOEA
50 ns 25 ns 15 ns 15 ns
60 ns 30 ns 18 ns 18 ns
Cycle Time
(Min.)
110 ns
130 ns
Power Dissipation
Operating (Max.) Standby (Max.)
504 mW
486 mW
3.1 mW
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MSM54V32128
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MSM54V32126/8
PIN CONFIGURATION (TOP VIEW)
VCC 1
DQ0 2
DQ1 3
DQ2 4
DQ3 5
VCC 6
DQ4 7
DQ5 8
DQ6 9
DQ7 10
VSS 11
DQ8 12
DQ9 13
DQ10 14
DQ11 15
VCC 16
DQ12 17
DQ13 18
DQ14 19
DQ15 20
VSS 21
NC 22
NC 23
NC 24
WB* / WE 25
RAS 26
NC 27
A0 28
A1 29
A2 30
A3 31
VCC 32
64-Pin Plastic SSOP
64 VSS
63 DQ31
62 DQ30
61 DQ29
60 DQ28
59 VCC
58 DQ27
57 DQ26
56 DQ25
55 DQ24
54 VSS
53 DQ23
52 DQ22
51 DQ21
50 DQ20
49 VCC
48 DQ19
47 DQ18
46 DQ17
45 DQ16
44 VSS
43 CAS1
42 CAS2
41 CAS3
40 CAS4
39 OE
38 A8
37 A7
36 A6
35 A5
34 A4
33 VSS
Note:
*:
Pin Name
A0 - A8
DQ0 - DQ31
RAS
CAS1 - CAS4
WB* / WE
OE
VCC
VSS
NC
Function
Address Input
Data Input / Data Output
Row Address Strobe
Column Address Strobe
Write Per Bit* / Write Enable
Output Enable
Power Supply (3.3 V)
Ground (0 V)
No Connection
The same power supply voltage must be provided to every VCC pin, and the same GND
voltage level must be provided to every VSS pin.
MSM54V32128 only
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