V826664K24S Datasheet PDF - Mosel Vitelic Corp
| Part Number | V826664K24S | |
| Description | 2.5 VOLT 64M x 64 HIGH PERFORMANCE UNBUFFERED DDR SDRAM MODULE | |
| Manufacturers | Mosel Vitelic Corp | |
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MOSEL VITELIC
V826664K24S
2.5 VOLT 64M x 64 HIGH PERFORMANCE
UNBUFFERED DDR SDRAM MODULE
PRELIMINARY
Features
■ 184 Pin Unbuffered 67,108,864 x 64 bit
Organization DDR SDRAM Modules
■ Utilizes High Performance 32M x 8 DDR
SDRAM in TSOPII-66 Packages
■ Single +2.5V (± 0.2V) Power Supply
■ Programmable CAS Latency, Burst Length, and
Wrap Sequence (Sequential & Interleave)
■ Auto Refresh (CBR) and Self Refresh
■ All Inputs, Outputs are SSTL-2 Compatible
■ 8192 Refresh Cycles every 64 ms
■ Serial Presence Detect (SPD)
■ DDR SDRAM Performance
Description
The V826664K24S memory module is organized
67,108,864 x 64 bits in a 184 pin memory module.
The 64M x 64 memory module uses 16 Mosel-
Vitelic 32M x 8 DDR SDRAM. The x64 modules are
ideal for use in high performance computer systems
where increased memory density and fast access
times are required.
Component Used B1 B0 A1 Units
tCK Clock Frequency 143 133 125 MHz
(max.)
(PC266A) (PC266B) (PC200)
tAC Clock Cycle Time
7
7.5
8 ns
CAS Latency = 2.5
V826664K24S Rev. 1.0 April 2002
1
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MOSEL VITELIC
Serial Presence Detect Information
Bin Sort:
B1 (PC266A @ CL = 2)
B0 (PC266B @ CL = 2.5)
A1 (PC200 @ CL = 2)
V826664K24S
Function Supported
Hex value
Byte #
Function described
A1 B0 B1 A1 B0 B1
0 Defines # of Bytes written into serial memory at module manufacturer
128bytes
80h
1 Total # of Bytes of SPD memory device
256bytes
08h
2 Fundamental memory type
SDRAM DDR
07h
3 # of row address on this assembly
13 0Dh
4 # of column address on this assembly
10 0Ah
5 # of module Rows on this assembly
2 Bank
02h
6 Data width of this assembly
64 bits
40h
7 .........Data width of this assembly
- 00h
8 VDDQ and interface standard of this assembly
SSTL 2.5V
04h
9 DDR SDRAM cycle time at CAS Latency =2.5
8ns 7.5ns 7ns 80h 75h 70h
10 DDR SDRAM Access time from clock at CL=2.5
±0.8ns ±0.75ns ±0.75ns 80h 75h 75h
11 DIMM configuration type(Non-parity, Parity, ECC)
Non-parity, ECC
00h
12 Refresh rate & type
7.8us & Self refresh
82h
13 Primary DDR SDRAM width
x8 08h
14 Error checking DDR SDRAM data width
N/A 00h
15 Minimum clock delay for back-to-back random column
address
tCCD=1CLK
01h
16 DDR SDRAM device attributes : Burst lengths supported
2,4,8
0Eh
17 DDR SDRAM device attributes : # of banks on each DDR SDRAM
4 banks
04h
18 DDR SDRAM device attributes : CAS Latency supported
2,2.5
0Ch
19 DDR SDRAM device attributes : CS Latency
0CLK
01h
20 DDR SDRAM device attributes : WE Latency
1CLK
02h
21 DDR SDRAM module attributes
Differential clock /
non Registered
20h
22 DDR SDRAM device attributes : General
+/-0.2V voltage tolerance
00h
23 DDR SDRAM cycle time at CL =2
10ns 10ns 7.5ns A0h A0h 75h
24 DDR SDRAM Access time from clock at CL =2
±0.8ns ±0.75ns ±0.75ns 80h 75h 75h
25 DDR SDRAM cycle time at CL =1.5
---
00h
26 DDR SDRAM Access time from clock at CL =1.5
---
00h
27 Minimum row precharge time (=tRP)
28 Minimum row activate to row active delay(=tRRD)
20ns 20ns 20ns 50h 50h 50h
15ns 15ns 15ns 3Ch 3Ch 3Ch
V826664K24S Rev. 1.0 April 2002
5
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for V826664K24S electronic component. |
| Information | Total 14 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ V826664K24S.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| V826664K24S | The function is 2.5 VOLT 64M x 64 HIGH PERFORMANCE UNBUFFERED DDR SDRAM MODULE. Mosel Vitelic Corp | |
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