MT46H16M16LFBF-6:H Micron Technology Inc, MT46H16M16LFBF-6:H Datasheet - Page 67

• 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

DQ (First data no longer valid)
Figure 30: Data Output Timing –
PDF: 09005aef834bf85b
256mb_mobile_ddr_sdram_t36n.pdf - Rev. H 11/09 EN
DQ (First data no longer valid)
DQ and DQS, collectively
DQS0/DQS1/DQS2/DQS3
DQ (Last data valid)
DQ (Last data valid)
Notes:
CK#
DQ
DQ
DQ
DQ
DQ
DQ
CK
6,7
4
4
4
4
4
4
4
4
T1
6. The data valid window is derived for each DQS transitions and is defined as
7. DQ8, DQ9, DQ10, DQ11, DQ12, DQ13, DQ14, or DQ15.
1.
2. DQ transitioning after DQS transitions define the
3.
4. Byte 0 is DQ[7:0], byte 1 is DQ[15:8], byte 2 is DQ[23:16], byte 3 is DQ[31:24].
5.
6. The data valid window is derived for each DQS transition and is
7. DQ[7:0] and DQS0 for byte 0; DQ[15:8] and DQS1 for byte 1; DQ[23:16] and DQS2 for
t
t
DQS transition and ends with the last valid DQ transition.
t
byte 2; DQ[31:23] and DQS3 for byte 3.
t
HP
HP is the lesser of
DQSQ is derived at each DQS clock edge and is not cumulative over time; it begins with
QH is derived from
1
t
DQSQ,
t
HP
t
DQSQ
1
t
QH
t
QH, and Data Valid Window (x32)
T2
Data valid
5
2,3
window
t
CL or
t
T2
T2
T2
HP:
t
HP
1
t
t
t
QH =
DQSQ
CH clock transition collectively when a bank is active.
67
T2n
t
QH
Data valid
5
window
2,3
t
256Mb: x16, x32 Mobile LPDDR SDRAM
t
HP -
T2n
T2n
T2n
HP
1
t
Micron Technology, Inc. reserves the right to change products or specifications without notice.
T3
QHS.
t
DQSQ
t
QH
t
5
2,3
Data valid
HP
window
1
T3
T3
T3
T3n
t
DQSQ window.
t
DQSQ
t
t
HP
QH
1
5
Data valid
2,3
window
T4
T3n
T3n
T3n
©2008 Micron Technology, Inc. All rights reserved.
t
READ Operation
QH -
t
DQSQ.
t
QH -
t
DQSQ.