參數(shù)資料
型號: MT48LC4M32LFB5-10ES:G
元件分類: DRAM
英文描述: 4M X 32 SYNCHRONOUS DRAM, 7 ns, PBGA90
封裝: 8 X 13 MM, LEAD FREE, VFBGA-90
文件頁數(shù): 53/69頁
文件大小: 6213K
128Mb: x16, x32
MOBILE SDRAM
09005aef8071a76b
Micron Technology, Inc., reserves the right to change products or specifications without notice.
128Mbx16x32Mobile_2.fm - Rev. G (DRAFT) 7/04 EN
57
2001 Micron Technology, Inc. All rights reserved.
Figure 44: Alternating Bank Read Accesses
NOTE:
1. For this example, the burst length = 4, the CAS latency = 2.
2. x16:A9 and A11 = “Don’t Care”
x32:A8, A9,and A11 = “Don’t Care.”
ENABLE AUTO PRECHARGE
tCH
tCL
tAC
tLZ
DQMU, DQML
CLK
A0-A9, A11
DQ
BA0, BA1
A10
tOH
DOUT m
tCMH
tCMS
tAH
tAS
tAH
tAS
tAH
tAS
ROW
tOH
DOUT m + 3
tAC
tOH
tAC
tOH
tAC
DOUT m + 2
DOUT m + 1
COMMAND
tCMH
tCMS
NOP
ACTIVE
NOP
READ
NOP
ACTIVE
tOH
DOUT b
tAC
READ
ENABLE AUTO PRECHARGE
ROW
ACTIVE
ROW
BANK 0
BANK 3
BANK 0
CKE
tCKH
tCKS
COLUMN m 2
COLUMN b 2
T0
T1
T2
T4
T3
T5
T6
T7
T8
tRP - BANK 0
tRAS - BANK 0
tRCD - BANK 0
CAS Latency - BANK 0
tRCD - BANK 3
CAS Latency - BANK 3
t
RC - BANK 0
RRD
tCK
DON’T CARE
UNDEFINED
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