MT46H16M16LFBF-6:H Micron Technology Inc, MT46H16M16LFBF-6:H Datasheet - Page 47

• Manufacturer Part Number: MT46H16M16LFBF-6:H
• Description: DRAM Chip DDR SDRAM 256M-Bit 16Mx16 1.8V 60-Pin VFBGA Tray
• Manufacturer: Micron Technology Inc
• Type: DDR SDRAMr
• Series: -r

Specifications of MT46H16M16LFBF-6:H

• Package: 60VFBGA
• Density: 256 Mb
• Address Bus Width: 15 Bit
• Operating Supply Voltage: 1.8 V
• Maximum Clock Rate: 166 MHz
• Maximum Random Access Time: 6.5|5 ns
• Operating Temperature: 0 to 70 °C
• Format - Memory: RAM
• Memory Type: Mobile DDR SDRAM
• Memory Size: 256M (16Mx16)
• Speed: 166MHz
• Interface: Parallel
• Voltage - Supply: 1.7 V ~ 1.95 V
• Package / Case: 60-VFBGA
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Figure 15: Initialize and Load Mode Registers
PDF: 09005aef834bf85b
256mb_mobile_ddr_sdram_t36n.pdf - Rev. H 11/09 EN
Command
BA0, BA1
Address
V
DQS
V
DDQ
CK#
CKE
A10
DM
DQ
CK
DD
1
LVCMOS
HIGH LEVEL
Power-up: V
Notes:
NOP 2
T = 200µs
(
(
(
(
(
(
(
(
(
(
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
)
)
)
)
)
)
)
)
)
)
(
(
(
(
(
(
(
(
(
(
(
(
)
(
)
(
)
(
)
(
)
(
)
(
)
)
)
)
)
)
)
)
)
)
)
)
DD
1. PRE = PRECHARGE command; LMR = LOAD MODE REGISTER command; AR = AUTO RE-
2. NOP or DESELECT commands are required for at least 200μs.
3. Other valid commands are possible.
4. NOPs or DESELECTs are required during this time.
and CK stable
t
IS
FRESH command; ACT = ACTIVE command.
NOP
T0
High-Z
High-Z
t
IH
t
CH
t
CK
t
CL
All banks
t
IS
PRE
T1
t
IH
(
(
(
(
(
(
(
(
(
(
)
(
)
(
)
(
)
(
)
(
)
(
)
)
)
)
)
)
)
)
)
)
(
(
(
(
(
(
(
(
(
t
(
)
(
)
(
)
(
)
(
)
(
)
(
)
)
)
)
)
)
)
)
)
)
RP
4
AR
Ta0
47
(
(
(
(
)
(
(
t
(
(
(
(
(
)
(
)
)
)
)
)
(
)
(
)
(
)
(
)
)
(
)
)
)
)
(
(
RFC
(
)
(
(
(
(
(
(
(
)
(
)
)
)
)
)
(
)
(
)
(
)
(
)
)
)
)
)
)
256Mb: x16, x32 Mobile LPDDR SDRAM
4
Tb0
AR
Micron Technology, Inc. reserves the right to change products or specifications without notice.
t
(
(
(
(
(
(
(
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
(
)
)
RFC
)
)
)
)
)
)
)
(
(
(
(
(
(
(
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
(
)
)
)
)
)
)
)
)
)
Load standard
mode register
4
t
t
t
Op-code
Op-code
BA0 = L,
IS
IS
IS
BA1 = L
Tc0
LMR
t
t
t
IH
IH
IH
(
(
(
(
t
)
)
)
)
(
(
(
(
(
(
)
)
)
)
(
(
(
)
)
MRD
(
(
(
(
(
)
(
)
(
)
)
)
)
)
)
)
)
(
(
(
(
(
(
)
)
)
)
(
(
(
)
)
(
)
(
)
(
)
)
)
)
Load extended
mode register
4
Op-code
Op-code
BA0 = L,
BA1 = H
LMR
Td0
©2008 Micron Technology, Inc. All rights reserved.
t
MRD
(
(
(
(
(
(
(
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
(
)
)
)
)
)
)
)
)
)
(
(
(
(
(
(
(
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
(
)
)
)
)
)
)
)
)
)
4
ACT
Te0
Row
Bank
Row
Initialization
3
(
(
(
(
(
(
(
(
)
(
)
(
)
(
)
(
)
(
)
(
(
)
)
)
)
)
)
)
)
)
(
)
(
(
(
(
(
(
(
(
)
(
)
(
)
(
)
(
)
(
)
(
(
)
)
)
)
)
)
)
)
)
(
)
Don’t Care
NOP
Tf0
3