mt48h16m32lfcm-75-it Micron Semiconductor Products, mt48h16m32lfcm-75-it Datasheet - Page 55

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

Figure 32:
Figure 33:
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
CLK
CKE
A10
DQ
t CMS
t CKS
t AS
t AS
t AS
Bank 0
ACTIVE
T0
Row
Row
t CKH
t CMH
t AH
t AH
t AH
Terminating a WRITE Burst
Alternating Bank Write Accesses
t RCD - bank 0
t RAS - bank 0
t
t
RC - bank 0
RRD
Notes:
Notes:
t CK
T1
NOP
1. DQM is LOW.
1. For this example, BL = 4.
Command
Enable auto precharge
t CMS
Address
t CL
Column m
t DS
Bank 0
T2
WRITE
D
CLK
DQ
IN
Transitioning Data
t CMH
t DH
t CH
m
WRITE
Bank,
Col n
t DS
D
T0
D
n
IN
T3
IN
NOP
m + 1
t DH
TERMINATE
BURST
T1
t DS
Bank 1
D
ACTIVE
Row
T4
IN
Row
m + 2
t DH
55
COMMAND
Don’t Care
t RCD - bank 1
Address
Data
T2
NEXT
t DS
D
T5
IN
NOP
m + 3
t DH
Micron Technology, Inc., reserves the right to change products or specifications without notice.
t WR - bank 0
Enable auto precharge
t DS
Column b
Bank 1
WRITE
T6
D
IN
t DH
b
t DS
D
T7
NOP
IN
b + 1
t DH
t RP - bank 0
©2007 Micron Technology, Inc. All rights reserved.
SDR Mobile SDRAM
t DS
D
T8
NOP
IN
b + 2
t DH
Operations
t DS
D
Bank 0
Row
T9
Row
ACTIVE
IN
m + 3
t RCD - bank 0
t WR - bank 1
t DH
Don’t Care