參數(shù)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(shù)： 67/81頁
文件大?。?/td> 1965K
代理商： VG4632321AQ-7
Document:
Rev.1
Page 42
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
Figure 18.3. Full Page Read Cycle (Burst Length = Full Page, CAS Latency = 3)
Activate
Command
Bank A
Activate
Command
Bank B
Hi-Z
CRead
Bank A
tCK3
High
RAx
RBx
RBy
Ax
Ax+1
Ax+2
Ax-2
Ax-1
Ax
Ax+1
Bx
Bx+1
Bx+2
Bx+3
Bx+4
Bx+5
Precharge
Command
Bank B
Burst Stop
Command
Activate
Command
Bank B
The burst counter wraps
from the highest order
page address back to zero
during this time interval
Full Page burst operation does not terminate
when the burst length is satisfied; the burst
counter increments and continues bursting
beginning with the starting address.
t
RP
RAx
CAx
RBx
CBx
RBy
CBank B
BS
DQM
DQ
A9
A0 ~ A8
DSF
CLK
CKE
CS
RAS
CAS
WE
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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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