V437464C24V Datasheet, PDF (1/12 Pages) Mosel Vitelic, Corp – 3.3 VOLT 64M x 72 HIGH PERFORMANCE PC133 REGISTERED PLL ECC SDRAM MODULE

MOSEL VITELIC
V437464C24V
3.3 VOLT 64M x 72 HIGH PERFORMANCE
PC133 REGISTERED PLL ECC SDRAM
MODULE
PRELIMINARY
Features
s 168 Pin Registered ECC 67,108,864 x 72 bit
Oganization SDRAM Modules
s Utilizes High Performance 64M x 4 SDRAM in
TSOPII-54 Packages
s Fully PC Board Layout Compatible to INTEL’S
Rev 1.2 Module Specification
s Single +3.3V (± 0.3V) Power Supply
s Programmable CAS Latency, Burst Length, and
Wrap Sequence (Sequential & Interleave)
s Auto Refresh (CBR) and Self Refresh
s All Inputs, Outputs are LVTTL Compatible
s 8192 Refresh Cycles every 64 ms
s Serial Present Detect (SPD)
s SDRAM Performance
Description
The V437464C24V memory module is organized
67,108,864 x 72 bits in a 168 pin dual in line
memory module (DIMM). The 64M x 72 registered
DIMM uses 18 Mosel-Vitelic 64M x 4 ECC SDRAM.
The x72 registered modules are ideal for use in high
performance computer systems where increased
memory density and fast access times are required.
Key Component Timing Parameters
-7PC
-7
-8PC
Units
t_CK
Clock Frequency (max.)
t_AC
Clock Access Time CAS Latency = 3
t_AC
Clock Access Time CAS Latency = 2
143
143
125
MHz
5.4
5.4
6
ns
5.4
6
6
ns
s Module Frequency vs AC Parameter
Frequency
CL
(CAS Latency)
t_RCD
t_RP
V437464C24V
2
133 MHz (PC)
2
2
V437464C24V
3
133 MHz
3
3
V437464C24V
2
100 MHz (PC)
2
2
t_RC
Unit
8
CLK
8
CLK
7
CLK
V437464C24V Rev.1.0 January 2002
1