MT46H8M32LFB5-6 IT:H Micron Technology Inc, MT46H8M32LFB5-6 IT:H Datasheet - Page 71

• Manufacturer Part Number: MT46H8M32LFB5-6 IT:H
• Description: DRAM Chip DDR SDRAM 256M-Bit 8Mx32 1.8V 90-Pin VFBGA Tray
• Manufacturer: Micron Technology Inc
• Type: DDR SDRAMr

Specifications of MT46H8M32LFB5-6 IT:H

• Density: 256 Mb
• Maximum Clock Rate: 166 MHz
• Package: 90VFBGA
• Address Bus Width: 14 Bit
• Operating Supply Voltage: 1.8 V
• Maximum Random Access Time: 6.5|5 ns
• Operating Temperature: -40 to 85 °C
• Organization: 8Mx32
• Address Bus: 14b
• Access Time (max): 6.5/5ns
• 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: 120mA
• Pin Count: 90
• Mounting: Surface Mount
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Compliant

Figure 33: Write – DM Operation
PDF: 09005aef834bf85b
256mb_mobile_ddr_sdram_t36n.pdf - Rev. H 11/09 EN
Command
BA0, BA1
Address
DQS
DQ
CK#
CKE
A10
DM
CK
6
t
t
IS
IS
NOP
T0
t
1
t
IH
IH
Notes:
t
t
ACTIVE
IS
Bank x
IS
Row
Row
T1
t
t
IH
IH
1. NOP commands are shown for ease of illustration; other commands may be valid at
2. BL = 4 in the case shown.
3. PRE = PRECHARGE.
4. Disable auto precharge.
5. Bank x at T8 is “Don’t Care” if A10 is HIGH at T8.
6. D
t
CK
these times.
t
t
IN
RCD
RAS
n = data-in from column n.
NOP
T2
1
t
CH
t
CL
t
WPRES
t
WRITE
IS
Bank x
Note 4
Col n
T3
t
IH
t
2
DQSS (NOM)
t
71
DS
NOP
T4
D
256Mb: x16, x32 Mobile LPDDR SDRAM
IN
t
WPRE
1
t
DH
T4n
Micron Technology, Inc. reserves the right to change products or specifications without notice.
t
DQSL
NOP
D
T5
IN
t
DQSH
1
T5n
t
WPST
NOP
T6
1
Don’t Care
©2008 Micron Technology, Inc. All rights reserved.
WRITE Operation
t
NOP
WR
T7
1
1
Transitioning Data
One bank
All banks
Bank x
PRE
T8
3
5
t
RP