参数资料
型号: V85C2256164SAS8
厂商: MOSEL-VITELIC
元件分类: DRAM
英文描述: 16M X 16 DDR DRAM, 0.8 ns, PBGA60
封装: 0.80 X 1 MM PITCH, SOC, BGA-60
文件页数: 9/61页
文件大小: 814K
代理商: V85C2256164SAS8
17
MOSEL VITELIC
V58C2256(804/404/164)S
V58C2256(804/404/164)S Rev. 1.4 October 2002
Burst Stop Command
The Burst Stop command is valid only during burst read cycles and is initiated by having RAS and CAS
high with CS and WE low at the rising edge of the clock. When the Burst Stop command is issued during a
burst Read cycle, both the output data (DQ) and data strobe (DQS) go to a high impedance state after a delay
(L
BST) equal to the CAS latency programmed into the device. If the Burst Stop command is issued during a
burst Write cycle, the command will be treated as a NOP command.
Read Terminated by Burst Stop Command Timing
(CAS Latency = 2, 2.5, 3; Burst Length = 4)
T0
T1
T2
T3
T4
T5
T6
BST
NOP
Read
D0
D1
CK, CK
Command
DQS
DQ
D0
D1
DQS
DQ
CAS Latency = 2
CAS Latency = 2.5
LBST
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