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VG37648041AT Datasheet(PDF) 49 Page - Vanguard International Semiconductor

Part # VG37648041AT
Description  256M:x4, x8, x16 CMOS Synchronous Dynamic RAM
PDF  86 Pages
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Manufacturer  VML [Vanguard International Semiconductor]
Direct Link  http://www.vis.com.tw
Logo VML - Vanguard International Semiconductor

VG37648041AT Datasheet(HTML) 49 Page - Vanguard International Semiconductor

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Document : 1G5-0157
Rev.1
Page 49
VIS
Preliminary
VG37648041AT
256M:x4, x8, x16
CMOS Synchronous Dynamic RAM
Dl b=Data In for column b
3 subsequent elements of Data In are applied in the programmed order following Dl b
A non-interrupted burst of 4 is shown
tWTR is referenced from the first positive CLK edge after the last Data In pair
A10 is LOW with the WRITE command (AUTO PRECHARGE is disabled)
The READ and WRITE commands are not necessarily to the same bank
DON’T CARE
UNDEFINED
CLK#
CLK
COMMAND
ADDRESS
WRITE
NOP
NOP
NOP
READ
NOP
Col b
Bank,
Figure 23
WRITE TO READ - MIN DSS, NON-INTERRUPTING
DQS
Bank,
Col n
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
T11
DM
DQ
Dl
b
tDSS
min
tWTR
CL



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