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參數資料
| 型號： | VG3664321412BT |
| 廠商： | Vanguard International Semiconductor Corporation |
| 英文描述： | CMOS Synchronous Dynamic RAM |
| 中文描述： | 同步動態隨機存儲器的CMOS |
| 文件頁數： | 1/72頁 |
| 文件大小： | 978K |
| 代理商： | VG3664321412BT |
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Document : 1G5-0099
Rev.1
Page 1
VIS
Preliminary VG3664321(4)1(2)BT
CMOS Synchronous Dynamic RAM
Description
The device is CMOS Synchronous Dynamic RAM organized as 524,288 - word x 32 - bit x 4 -
bank, and 1,048,576 - word x 32 - bit x 2 - bank, respectively. lt is fabricated with an advanced
submicron CMOS technology and designed to operate from a singly 3.3V only power supply. It is
packaged in JEDEC standard pinout and standard plastic TSOP package.
Features
Single 3.3V (
) power supply
High speed clock cycle time : 8/10 for LVTTL
High speed clock cycle time : 8/10 for SSTL - 3
Fully synchronous with all signals referenced to a positive clock edge
Programmable CAS Iatency (2,3)
Programmable burst length (1,2,4,8,& Full page)
Programmable wrap sequence (Sequential/Interleave)
Automatic precharge and controlled precharge
Auto refresh and self refresh modes
Dual Internal banks controlled by A11 (Bank select) for VG36643211(2)
Quad Internal banks controlled by A11 & A12 (Bank select) for VG36643241(2)
Each Banks can operate simultaneously and independently
LVTTL compatible I/O interface for VG36643211 and VG36643241
SSTL - 3 compatible I/O interface for VG36643212 and VG36643242
Random column access in every cycle
x32 organization
Input/Output controlled by DQM0 ~ 3
4,096 refresh cycles/64ms
Burst termination by burst stop and precharge command
Burst read/single write option
0.3V
±
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