mt48h16m32lfcm-75-it Micron Semiconductor Products, mt48h16m32lfcm-75-it Datasheet - Page 47

• Manufacturer Part Number: mt48h16m32lfcm-75-it
• Description: 512mb 32 Meg X 16, 16 Meg X 32 Mobile Sdram Features
• Manufacturer: Micron Semiconductor Products

Figure 23:
PDF: 09005aef82ea3742/Source: 09005aef82ea3752
sdr_mobile_sdram_cmd_op_timing_dia_fr4.08__4.fm - Rev. B 4/08 EN
Terminating a READ Burst
Notes:
Continuous-page READ bursts may be truncated with a BURST TERMINATE command
and fixed -length READ bursts may 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 23 for each possible CL; data element
n + 3 is the last desired data element of a longer burst.
1. DQM is LOW.
Command
Command
Address
Address
CLK
CLK
DQ
DQ
T0
Bank,
T0
Col n
READ
Bank,
READ
Col n
CL = 2
CL = 3
T1
T1
NOP
NOP
47
T2
T2
NOP
NOP
D
OUT
n
T3
T3
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NOP
NOP
n + 1
D
D
OUT
OUT
n
Transitioning Data
TERMINATE
TERMINATE
T4
BURST
T4
BURST
X = 1 cycle
n + 2
D
n + 1
D
OUT
OUT
X = 2 cycles
T5
T5
NOP
NOP
n + 3
n + 2
D
D
OUT
OUT
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SDR Mobile SDRAM
T6
T6
NOP
NOP
n + 3
D
OUT
Don’t Care
Operations
T7
NOP