參數(shù)資料
型號: V54C3256804VB
廠商: Mosel Vitelic, Corp.
英文描述: 256Mbit SDRAM 3.3 VOLT, TSOP II / SOC BGA / WBGA PACKAGE 16M X 16, 32M X 8, 64M X 4
中文描述: 片256Mbit SDRAM的3.3伏,第二的TSOP /系統(tǒng)芯片的BGA / WBGA包裝16米x 16,32 × 8,64米× 4
文件頁數(shù): 24/52頁
文件大小: 853K
代理商: V54C3256804VB
24
V54C3256(16/80/40)4V(T/S/B) Rev. 1.6 September 2002
MOSEL VITELIC
V54C3256(16/80/40)4V(T/S/B)
4.2 Minimum Read to Write Interval
(Burst Length = 4, CAS latency = 2)
4.3 Non-Minimum Read to Write Interval
(Burst Length = 4, CAS latency = 2, 3)
COMMAND
NOP
BANK A
ACTIVATE
NOP
READ A
WRITE A
NOP
NOP
NOP
DQM
DIN A0
DIN A1
DIN A2
DIN A3
Must be Hi-Z before
the Write Command
t
CK2,
I/O’s
CAS latency = 2
CLK
T0
T2
T1
T3
T4
T5
T6
T7
T8
NOP
1 Clk Interval
t
DQZ
t
DQW
: “H” or “L”
NOP
READ A
NOP
NOP
READ A
NOP
WRITE B
NOP
NOP
DQM
DIN B0
DIN B1
DIN B2
t
CK1,
I/O’s
CAS latency = 2
t
CK2,
I/O’s
CAS latency = 3
CLK
T0
T2
T1
T3
T4
T5
T6
T7
T8
DOUT A0
COMMAND
DIN B0
DIN B1
DIN B2
DOUT A1
DOUT A0
Must be Hi-Z before
the Write Command
t
DQZ
t
DQW
: “H” or “L”
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