mt48h8m16lf Micron Semiconductor Products, mt48h8m16lf Datasheet - Page 46

• Manufacturer Part Number: mt48h8m16lf
• Description: 128mb 8 Meg X 16, 4 Meg X 32 Mobile Sdram
• Manufacturer: Micron Semiconductor Products

Figure 23:
PDF: 09005aef832ff1ea / Source: 09005aef832ff1ac
sdr_mobile_sdram_cmd_op_timing_dia_fr5.08__4.fm - Rev. B 6/08 EN
Command
BA0, BA1
Address
DQM
CLK
CKE
A10
DQ
t CMS
t CKS
t AS
t AS
t AS
ACTIVE
Bank 0
T0
Row
Row
Alternating Bank Read Accesses
t CKH
t CMH
t AH
t AH
t AH
t RCD - bank 0
t RAS - bank 0
t
t
RC - bank 0
RRD
Notes:
t CK
T1
NOP
1. For this example, BL = 4 and CL = 2.
Enable auto precharge
t CMS
t CL
Column m
Bank 0
T2
READ
t CMH
t CH
CL - bank 0
T3
NOP
t LZ
t AC
128Mb: 8 Meg x 16, 4 Meg x 32 Mobile SDRAM
46
ACTIVE
Bank 3
T4
Row
Row
D
OUT
t OH
t AC
m
t RCD - bank 3
Micron Technology, Inc., reserves the right to change products or specifications without notice.
D
OUT
T5
NOP
m + 1
t OH
t AC
Enable auto precharge
Column b 2
D
Bank 3
OUT
T6
READ
m + 2
t OH
t AC
CL - bank 3
©2008 Micron Technology, Inc. All rights reserved.
t RP - bank 0
D
T7
OUT
NOP
Don’t Care
Timing Diagrams
m + 3
t OH
t AC
Bank 0
Row
Row
T8
ACTIVE
D
OUT
t RCD - bank 0
Preliminary
t OH
t AC
b
Undefined