MT48LC4M32B2P-6IT View Datasheet(PDF) - Micron Technology
Part Name
Description
MFG CO.
'MT48LC4M32B2P-6IT' PDF : 79 Pages View PDF
128Mb: x32 SDRAM
READ Operation
Continuous-page READ bursts can be truncated with a BURST TERMINATE command
and fixed-length READ bursts can be truncated with a BURST TERMINATE command,
provided that auto precharge was not activated. The BURST TERMINATE command
should be issued x cycles before the clock edge at which the last desired data element is
valid, where x = CL - 1. This is shown in Figure 21 (page 48) for each possible CAS la-
tency; data element n + 3 is the last desired data element of a longer burst.
Figure 21: Terminating a READ Burst
T0
T1
T2
T3
T4
T5
T6
CLK
Command
READ
NOP
NOP
NOP
BURST
TERMINATE
NOP
NOP
Address
Bank,
Col n
X = 1 cycle
DQ
DOUT
DOUT
DOUT
DOUT
CL = 2
T0
T1
T2
T3
T4
T5
T6
T7
CLK
Command
READ
NOP
NOP
Address
Bank,
Col n
DQ
CL = 3
Note: 1. DQM is LOW.
NOP
BURST
TERMINATE
NOP
X = 2 cycles
NOP
NOP
DOUT
DOUT
DOUT
DOUT
Transitioning data
Don’t Care
PDF: 09005aef80872800
128mb_x32_sdram.pdf - Rev. U 04/13 EN
48
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© 2001 Micron Technology, Inc. All rights reserved.
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