mt48h4m16lf Micron Semiconductor Products, mt48h4m16lf Datasheet - Page 59

• Manufacturer Part Number: mt48h4m16lf
• Description: 64mb 4 Meg X 16 Mobile Sdram Features
• Manufacturer: Micron Semiconductor Products

Figure 46:
PDF: 09005aef8237ed98/Source: 09005aef8237ed68
64mb_x16_Mobile SDRAM_Y24L_2.fm - Rev. C 10/07 EN
A0–A9, A11
Command
BA0, BA1
DQM
CLK
CKE
A10
DQ
t CMS
t CKS
t AS
t AS
t AS
ACTIVE
Bank
T0
Row
Row
t CMH
t CKH
t AH
t AH
t AH
Single WRITE – with Auto Precharge
t RCD
t RAS
t RC
Notes:
t CK
T1
NOP 4
1. For this example, the BL = 1.
2. 15ns is required between <D
3. A8, A9, and A11 = “Don’t Care.”
4. WRITE command not allowed or
t CL
NOP 4
T2
t CH
NOP 4
T3
Enable Auto Precharge
t CMS
t DS
Column m 3
Bank
WRITE
T4
D
IN
t CMH
t DH
m
2
t WR
59
IN
m> and the PRECHARGE command, regardless of frequency.
t
T5
RAS would be violated.
NOP
Micron Technology, Inc., reserves the right to change products or specifications without notice.
T6
NOP
64Mb: 4 Meg x 16 Mobile SDRAM
t RP
T7
NOP
©2006 Micron Technology, Inc. All rights reserved.
ACTIVE
Row
Bank
Row
T8
Timing Diagrams
Don’t Care
T9
NOP