MT47H64M16HR-3 IT:HTR Micron Technology Inc, MT47H64M16HR-3 IT:HTR Datasheet - Page 92
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MT47H64M16HR-3 IT:HTR
Manufacturer Part Number
MT47H64M16HR-3 IT:HTR
Description
Manufacturer
Micron Technology Inc
Type
DDR2 SDRAMr
Specifications of MT47H64M16HR-3 IT:HTR
Organization
64Mx16
Density
1Gb
Address Bus
16b
Access Time (max)
450ps
Maximum Clock Rate
667MHz
Operating Supply Voltage (typ)
1.8V
Package Type
FBGA
Operating Temp Range
-40C to 85C
Operating Supply Voltage (max)
1.9V
Operating Supply Voltage (min)
1.7V
Supply Current
135mA
Pin Count
84
Mounting
Surface Mount
Operating Temperature Classification
Industrial
Lead Free Status / Rohs Status
Compliant
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1GbDDR2.pdf – Rev. W 7/11 EN
10. Issue two or more REFRESH commands.
11. Issue a LOAD MODE command to the MR with LOW to A8 to initialize device operation
12. Issue a LOAD MODE command to the EMR to enable OCD default by setting bits E7, E8,
13. Issue a LOAD MODE command to the EMR to enable OCD exit by setting bits E7, E8, and
14. The DDR2 SDRAM is now initialized and ready for normal operation 200 clock cycles af-
15. DM represents DM for the x4, x8 configurations and UDM, LDM for the x16 configura-
16. A10 = PRECHARGE ALL, CODE = desired values for mode registers (bank addresses are
(that is, to program operating parameters without resetting the DLL). To access the MR,
set BA0 and BA1 LOW; remaining MR bits must be set to desired settings. Mode Register
(MR) (page 79) for all MR requirements.
and E9 to “1,” and then setting all other desired parameters. To access the EMR, set BA0
HIGH and BA1 LOW (see Extended Mode Register (EMR) (page 84) for all EMR require-
ments.
E9 to “0,” and then setting all other desired parameters. To access the extended mode
registers, EMR, set BA0 HIGH and BA1 LOW for all EMR requirements.
ter the DLL RESET at Tf0.
tion; DQS represents DQS, DQS#, UDQS, UDQS#, LDQS, LDQS#, RDQS, RDQS# for the ap-
propriate configuration (x4, x8, x16); DQ represents DQ[3:0] for x4, DQ[7:0] for x8 and
DQ[15:0] for x16.
required to be decoded).
92
Micron Technology, Inc. reserves the right to change products or specifications without notice.
1Gb: x4, x8, x16 DDR2 SDRAM
2007 Micron Technology, Inc. All rights reserved.
Initialization
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