參數(shù)資料
型號: RIVA 128ZX
廠商: 意法半導體
英文描述: 128-Bit 3D Multimedia Accelerator(128位3D多媒體加速器)
中文描述: 128位3D多媒體加速器(128位三維多媒體加速器)
文件頁數(shù): 40/85頁
文件大?。?/td> 608K
代理商: RIVA 128ZX
128-BIT 3D MULTIMEDIA ACCELERATOR
RIVA128ZX
40/85
Figure 40.
SDRAM/SGRAM read to precharge, read latency of three
NOTE
1
FBDQM
is active (low)
SDRAM/SGRAM Write to Precharge
Figure 41.
Figure 42.
SDRAM/SGRAM Active to Read or Write
Table 12.
SDRAM/SGRAM timing parameters
Symbol
t
CS
Parameter
Min.
Max.
Unit
Notes
FBCSx
,
FBRAS#
,
FBCAS#
,
FBWE#
,
FBDQM
setup time
3
ns
t
CH
FBCSx
,
FBRAS#
,
FBCAS#
,
FBWE#
,
FBDQM
hold time
1
ns
t
MTC
t
RAS
t
RC
t
RCD
Load Mode register command to command
2
t
CK
Active to Precharge command period
7
t
CK
Active to Active command period
10
t
CK
Active to Read or Write delay
3
t
CK
precharge
nop
nop
active
bank(s)
bank,
row
data n
t
RP
read
bank,
col n
FBCLKx
Command
FBA[10:0]
FBD[63:0]
write
nop
nop
precharge
nop
nop
active
bank(s)
row
t
RP
t
WR
bank, col n
write data n
write data
n+1
FBCLKx
FBDQM#
Command
FBA[10:0
]
FBD[63:0]
active
nop
nop
t
RCD
read or write
FBCLKx
Command
相關PDF資料
PDF描述
RIVA128ZX 128-BIT 3D MULTIMEDIA ACCELERATOR
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