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參數(shù)資料
| 型號： | 5962D1022901QXC |
| 元件分類： | DRAM |
| 英文描述： | 64M X 40 SYNCHRONOUS DRAM, 5.4 ns, CQFP128 |
| 封裝： | CERAMIC, QFP-128 |
| 文件頁數(shù)： | 1/68頁 |
| 文件大?。?/td> | 1475K |
| 代理商： | 5962D1022901QXC |
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1
FEATURES
Organized as 64M x 40 (16Meg x 40 x 4 banks) and 64Meg
x 48 (16Meg x 48 x 4 banks)
Single JEDEC standard 3.3V power supply
PC100-compliant
Operation -40oC to +105oC
LVTTL compatible with multiplexed address
Fully synchronous; all signals registered on positive edge
of system clock
Internal pipelined operation; column address can be
changed every clock cycle
Programmable burst lengths: 1,2,4,8, or full page
Auto-precharge, includes concurrent auto precharge, and
auto-refresh mode
32ms, 8,192-cycle refresh
Operational environment:
- Total dose: 100 krad(Si)
- SEL Immune 111 MeV-cm2/mg
Package options:
128-lead Ceramic Quad Flatpack
Standard Microcircuit Drawing TBD
- UT8SDMQ64M48: 5962-10230
- QML Q and Q+ pending
INTRODUCTION
The UT8SDMQ64M40 and UT8SDMQ64M48 are high
performance, highly integrated Synchronous Dynamic Random
Access Memory (SDRAM) multi-chip modules (MCMs). Total
module density is 2,684,354,560 bits for the 2.5G device and
3,221,225,472 bits for the 3G device. Each bit bank is organized
as 8192 rows by 2048 columns.
Read and write accesses to the DRAM are burst oriented;
accesses start at a selected location and continue for a
programmed number of locations in a programmed sequence.
The programmable READ and WRITE burst lengths (BL) are
1, 2, 4, or 8 locations, or the full page, with a burst terminate
option.
Aeroflex’s SDRAMs are designed to operate at 3.3V. An auto-
refresh mode is provided, along with a power-saving, power-
down mode. All inputs and outputs are LVTTL compatible.
SDRAMs offer significant advances in DRAM operating
execution, including the capability to synchronously burst data
at a high data rate with automatic column-address generation,
to interleave between internal banks to mask precharging time,
and to randomly change column addresses on each clock cycle
during a burst access.
Standard Products
UT8SDMQ64M40 2.5-Gigabit SDRAM MCM
UT8SDMQ64M48 3.0-Gigabit SDRAM MCM
Advanced Datasheet
September 22, 2010
Figure 1. Block Diagrams
A[12:0]
BA[1:0]
CLK
CKE
RAS#
CAS#
WE#
CS#
15
DQM0
DQM1
DQM2
DQM3
DQM4
8
40
U0
U1
U2
U3
U4
DQ[7:0]
DQ[15:8]
DQ[23:16]
DQ[31:24]
DQ[39:32]
SDRAM
16Meg x 8 x4
DQ[7:0](0)
DQ[7:0](1)
DQ[7:0](2)
DQ[7:0](3)
DQ[7:0](4)
A[12:0]
BA[1:0]
CLK
CKE
RAS#
CAS#
WE#
CS#
15
DQM0
DQM1
DQM2
DQM3
DQM4
DQM5
8
48
U0
U1
U2
U3
U4
U5
DQ[7:0]
DQ[15:8]
DQ[23:16]
DQ[31:24]
DQ[39:32]
DQ[47:40]
SDRAM
16Meg x 8 x4
DQ[7:0](0)
DQ[7:0](1)
DQ[7:0](2)
DQ[7:0](3)
DQ[7:0](4)
DQ[7:0](5)
3.0Gigabit (64Mx48)
2.5Gigabit (64Mx40)
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