mt48h16m32lfcm-75-it Micron Semiconductor Products, mt48h16m32lfcm-75-it Datasheet - Page 48

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

Figure 24:
PDF: 09005aef82ea3742/Source: 09005aef82ea3752
sdr_mobile_sdram_cmd_op_timing_dia_fr4.08__4.fm - Rev. B 4/08 EN
Command
BA0, BA1
Address
DQM
CKE
A10
CLK
DQ
t CMS
t CKS
t AS
t AS
t AS
ACTIVE
Row
Bank 0
T0
Row
t CKH
t CMH
Alternating Bank Read Accesses
t AH
t AH
t AH
Notes:
t RCD - bank 0
t CK
T1
NOP
1. For this example, BL = 4 and CL = 2.
Enable auto precharge
t CL
t CMS
Column m
t RRD
Bank 0
T2
READ
t CMH
t CH
t RAS - bank 0
CL - bank 0
t RC - bank 0
T3
NOP
t LZ
t AC
48
ACTIVE
Bank 3
T4
Row
Row
D
OUT
t OH
m
t AC
t RCD - bank 3
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D
OUT
T5
NOP
t OH
m + 1
t AC
Enable auto precharge
Column b
D
Bank 3
T6
READ
OUT
t OH
m + 2
t AC
CL - bank 3
t RP - bank 0
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SDR Mobile SDRAM
D
T7
OUT
NOP
Don’t Care
t OH
m + 3
t AC
Operations
Bank 0
Row
Row
T8
ACTIVE
D
OUT
t OH
t RCD - bank 0
b
Undefined
t AC