MT48H8M16LFB4-75 IT:K Micron Technology Inc, MT48H8M16LFB4-75 IT:K Datasheet - Page 39

• Manufacturer Part Number: MT48H8M16LFB4-75 IT:K
• Description: DRAM Chip Mobile SDRAM 128M-Bit 8Mx16 1.8V 54-Pin VFBGA Tray
• Manufacturer: Micron Technology Inc
• Type: Mobile SDRAMr

Specifications of MT48H8M16LFB4-75 IT:K

• Package: 54VFBGA
• Density: 128 Mb
• Address Bus Width: 14 Bit
• Operating Supply Voltage: 1.8 V
• Maximum Clock Rate: 133 MHz
• Maximum Random Access Time: 8|5.4 ns
• Operating Temperature: -40 to 85 °C
• Organization: 8Mx16
• Address Bus: 14b
• Access Time (max): 8/5.4ns
• Operating Supply Voltage (typ): 1.8V
• Package Type: VFBGA
• Operating Temp Range: -40C to 85C
• Operating Supply Voltage (max): 1.95V
• Operating Supply Voltage (min): 1.7V
• Supply Current: 70mA
• Pin Count: 54
• Mounting: Surface Mount
• Operating Temperature Classification: Industrial
• Lead Free Status / Rohs Status: Compliant

Command 1
Figure 12: Initialize and Load Mode Register
PDF: 09005aef832ff1ea
128mb_mobile_sdram_y35M.pdf - Rev. G 10/09 EN
BA0, BA1
Address
DQM
CLK
CKE
A10
Power-up:
CLK stable
DQ
V
DD
and
(
(
(
(
(
(
(
(
(
)
(
)
(
)
(
)
(
)
(
)
(
)
)
)
)
)
)
)
)
)
(
(
(
(
(
(
(
(
)
)
)
(
)
(
)
(
)
(
)
(
(
(
)
)
)
)
)
)
)
)
T = 100µs
t
t
CMS
CKS
Notes:
NOP
T0
t
High-Z
t
CMH
CKH
t
CK
1. PRE = PRECHARGE command, AR = AUTO REFRESH command, LMR = LOAD MODE REGIS-
2. NOPs or DESELECTs must only be provided during
3. NOPs or DESELECTs must only be provided during
TER command.
Precharge
All banks
all banks
t
AS
PRE
T1
t AH
t
(
(
(
(
(
(
(
(
RP
(
)
(
)
(
)
(
)
(
)
(
)
(
)
)
)
)
)
)
)
)
)
(
(
(
(
(
(
(
(
(
)
)
)
)
)
)
)
(
(
(
(
(
(
)
)
)
)
)
)
)
)
Tn + 1
AR
128Mb: 8 Meg x 16, 4 Meg x 32 Mobile SDRAM
t
39
RFC
(
(
(
(
(
(
(
(
)
(
)
(
)
(
)
(
(
)
(
)
(
)
)
)
)
)
)
)
)
)
(
(
(
(
(
(
(
)
)
(
(
)
(
(
)
(
)
(
)
(
)
(
)
)
)
)
)
)
)
)
2
To + 1
AR
Micron Technology, Inc. reserves the right to change products or specifications without notice.
t
(
(
(
(
(
(
(
(
)
(
RFC
(
)
(
)
(
)
(
)
(
)
(
)
)
)
)
)
)
)
)
)
(
(
(
(
(
(
(
)
(
(
)
(
)
(
)
(
)
(
)
(
(
)
)
)
)
)
)
)
)
)
2
Load mode
t AS t AH
t
AS
register
BA0 = L,
BA1 = L
Code
Code
Tp + 1
LMR
t
t
t
RFC time.
MRD time.
AH
t
MRD
(
(
(
(
(
(
(
(
(
(
)
(
)
(
)
(
(
)
)
(
)
(
)
(
)
)
)
)
)
)
)
)
)
)
(
(
(
(
(
(
(
(
(
)
(
)
(
)
(
)
)
(
)
(
)
(
(
)
(
)
)
)
)
)
)
)
)
)
Load extended
mode register
3
©2008 Micron Technology, Inc. All rights reserved.
BA0 = L,
BA1 = H
Code
BA0 = L,
Code
BA1 = L
LMR
Tq + 1
t
Initialization
MRD
(
(
(
(
(
(
(
(
)
(
)
(
)
(
)
(
)
(
(
)
(
)
)
)
)
)
)
)
)
)
(
(
(
(
(
(
(
(
)
(
)
(
)
(
)
(
)
(
(
)
(
)
)
)
)
)
)
)
)
)
3
Valid
Valid
Valid
Valid
Tr + 1
Don’t Care
(
(
(
(
(
(
(
(
)
(
)
(
)
(
)
(
)
(
)
(
(
)
)
)
)
)
)
)
)
)
(
(
(
(
(
(
(
(
)
(
)
(
)
(
)
(
)
(
)
(
)
)
)
)
)
)
)
(
)
)