mt48lc2m32b2 Micron Semiconductor Products, mt48lc2m32b2 Datasheet - Page 57

• Manufacturer Part Number: mt48lc2m32b2
• Description: Synchronous Dram
• Manufacturer: Micron Semiconductor Products

Figure 39:
PDF: 09005aef811ce1fe/Source: 09005aef811ce1d5
64MSDRAMx32_2.fm - Rev. J 12/08 EN
COMMAND
BA0, BA1
DQM 0-3
A0-A9
CLK
CKE
A10
DQ
t CMS
t CKS
t AS
t AS
t AS
Single READ – Without Auto Precharge
ACTIVE
T0
ROW
ROW
BANK
t CKH
t CMH
t AH
t AH
t AH
Notes:
t RCD
t RAS
t RC
t CK
T1
NOP
1. For this example, BL = 4, CL = 2, and the READ is followed by a “manual” PRECHARGE.
2. A8 and A9 = “Don’t Care.”
DISABLE AUTO PRECHARGE
t CMS
t CL
COLUMN m 2
T2
BANK
READ
t CH
t CMH
CAS Latency
T3
NOP
t LZ
t AC
57
T4
NOP
D
OUT
t OH
t AC
m
Micron Technology, Inc., reserves the right to change products or specifications without notice.
D
T5
OUT
NOP
m + 1
t OH
t AC
SINGLE BANK
PRECHARGE
ALL BANKS
D
T6
BANK
OUT
t OH
m + 2
t RP
t AC
©2001 Micron Technology, Inc. All rights reserved.
D
T7
NOP
OUT
64Mb: x32 SDRAM
m + 3
t OH
Timing Diagrams
t HZ
BANK
T8
ROW
ROW
ACTIVE
DON’T CARE
UNDEFINED