參數資料
型號: VG4632321AQ-7
廠商: VANGUARD INTERNATIONAL SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: 524,288x32x2-Bit CMOS Synchronous Graphic RAM
中文描述: 1M X 32 SYNCHRONOUS GRAPHICS RAM, 6 ns, PQFP100
封裝: PLASTIC, QFP-100
文件頁數: 26/81頁
文件大?。?/td> 1965K
代理商: VG4632321AQ-7
Document:
Rev.1
Page 1
VIS
Preliminary
VG4632321A
524,288x32x2-Bit
CMOS Synchronous Graphic RAM
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Timing Waveforms
Figure 1. AC Parameters for Write Timing (Burst Length = 4, CAS Latency = 2)
CLK
CKE
CS
RAS
CAS
WE
BS
A9
A0 ~ A8
DQM
DQ
tCK2
Activate
Command
Bank A
Write with
Auto Precharge
Command
Bank A
Hi-Z
Write
Command
Bank A
Precharge
Command
Bank A
RBx
CAx
RBx
CBx
CAy
RAz
Ax0
Ax1
Ax2
Ax3
Bx0
Bx1
Bx2
Bx3
Ay0
Ay1
Ay2
Ay3
Activate
Bank B
Write with
Auto Precharge
Command
Bank B
Activate
Command
Bank A
DSF
RAx
RAy
RBy
RBx
RAy
RAz
RBy
tCH
tCL
tIS
tIS
tIH
Begin Auto Precharge
Bank A
Begin Auto Precharge
Bank B
tIS
tIH
tIS
tRCD
tRC
tDAL
tIS
tIH
tWR
tRP
tRRD
Activate
Command
Bank A
Activate
Command
Bank B
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VG4632321A CHASSIS PLATE; IP rating:IP67; Temp, op. max:100(degree C); Temp, op. min:-40(degree C) RoHS Compliant: Yes
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