参数资料
型号: S-812C40AUA-C2UT2G
元件分类: 固定正电压单路输出LDO稳压器
英文描述: 4 V FIXED POSITIVE LDO REGULATOR, 0.3 V DROPOUT, PSSO3
封装: LEAD FREE, SOT-89, 3 PIN
文件页数: 11/39页
文件大小: 690K
代理商: S-812C40AUA-C2UT2G
W946432AD
PRELIMINARY DATE: 11/13/01
19
.
In the case of a READ being executed to completion, a PRECHARGE command issued at the optimum time
(as described above) provides the same operation that would result from the same READ burst with AUTO
PRECHARGE enabled. The disadvantage of the PRECHARGE command is that it requires that the
command and address buses be available at the appropriate time to issue the command. The advantage of
the PRECHARGE command is that it can be used to truncate bursts.
Figure5:READ BURST – REQUIRED CAS LATENCIES
NOP
READ
NOP
COMMAND
CK
DQS
DQ
DON'T CARE
Bank,
READ BURST - REQUIRED CAS LATENCIES
ADDRESS
CL=3
Col n
DO
n
DO n = Data Out from column n
Burst Length = 4
Show with nominal tAC, tDQSCK, and tDQSQ
相关PDF资料
PDF描述
S-812C40AY-Z-G 4 V FIXED POSITIVE LDO REGULATOR, 0.3 V DROPOUT, PBCY3
S-812C40BMC-C4UT2G 4 V FIXED POSITIVE LDO REGULATOR, 0.3 V DROPOUT, PDSO5
S-812C47AUA-C3BT2G 4.7 V FIXED POSITIVE LDO REGULATOR, 0.27 V DROPOUT, PSSO3
S-812C47AY-B-G 4.7 V FIXED POSITIVE LDO REGULATOR, 0.27 V DROPOUT, PBCY3
S-812C47AY-T-G 4.7 V FIXED POSITIVE LDO REGULATOR, 0.27 V DROPOUT, PBCY3
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