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VG3664321412BT

Vanguard International Semiconductor
Part Number VG3664321412BT
Manufacturer Vanguard International Semiconductor
Description CMOS Synchronous Dynamic RAM
Published Apr 16, 2005
Detailed Description VIS Description Preliminary VG3664321(4)1(2)BT CMOS Synchronous Dynamic RAM The device is CMOS Synchronous Dynamic RA...
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VG3664321412BT
VG3664321412BT

Overview
VIS Description Preliminary VG3664321(4)1(2)BT CMOS Synchronous Dynamic RAM 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 ( ± 0.
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 Document : 1G5-0099 Rev.
1 Page 1 VIS Pin Configuration VDD DQ0 VDDQ DQ1 DQ2 VSSQ DQ3 DQ4 VDDQ DQ5 DQ6 VSSQ DQ7 NC VDD DQM0 WE CAS RAS CS NC A11/BA NC A10/AP A0 A1 A2 DQM2 VDD NC DQ16 VSSQ DQ17 DQ18 VDDQ DQ19 DQ20 VSSQ DQ21 DQ22 VDDQ DQ23 VDD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 Preliminary VG3664321(4)1(2)BT CMOS Synchronous Dynamic RAM 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 VSS DQ15 VSSQ DQ14 DQ13 VDD...


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