PNX1302EH/G,557 Trident Microsystems, Inc., PNX1302EH/G,557 Datasheet - Page 197
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PNX1302EH/G,557
Manufacturer Part Number
PNX1302EH/G,557
Description
Manufacturer
Trident Microsystems, Inc.
Datasheet
1.PNX1302EHG557.pdf
(548 pages)
Specifications of PNX1302EH/G,557
Lead Free Status / RoHS Status
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Philips Semiconductors
128-Mbit SDRAMs organized in x32 can be used to build
16-, 32-, 48- or 64-MB memory systems. A 32-MB sys-
tem is pictured in
Figure 12-11. Schematic of a 32-MB memory system consisting of two ranks of 4×1M×32 SDRAM chips.
Figure
12-11. A 16-MB system can be
MM_CLK[0]
MM_CS#[1]
MM_CLK[1]
MM_CS#[0]
CLK
Address[11:0]
Control
CS#
CLK
Control
CS#
Address[11:0]
BA[1:0]
BA[1:0]
PNX1300
4×1M×32
SDRAM
4×1M×32
SDRAM
DQM[3:0]
DQM[3:0]
DQ[31:0]
DQ[31:0]
obtained by removing the device controlled by
MM_CS#[1]. Similarly it can be extended to 48- or 64-MB
by adding devices controlled by MM_CS#[3:2].
PRELIMINARY SPECIFICATION
MM_DQM[3:0]
MM_DQM[3:0]
MM_DQ[31:0]
MM_DQ[31:0]
SDRAM Memory System
12-15
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