MT47H128M16RT-25EC Datasheet, PDF (129/134 Pages) Micron Technology – DDR2 SDRAM MT47H512M4 – 64 Meg x 4 x 8 banks MT47H256M8 – 32 Meg x 8 x 8 banks MT47H128M16 – 16 Meg x 16 x 8 banks

2Gb: x4, x8, x16 DDR2 SDRAM
ODT Timing
Figure 81: ODT Timing for Entering and Exiting Power-Down Mode
Synchronous
CKE
t_{ANPD (3} t_CKs)
First CKE latched LOW
Synchronous or
Asynchronous
t_{AXPD (8} t_CKs)
First CKE latched HIGH
Any mode except
self refresh mode
Applicable modes
Active power-down fast (synchronous)
Active power-down slow (asynchronous)
Precharge power-down (asynchronous)
Synchronous
Any mode except
self refresh mode
t_AOND/t_AOFD
Applicable timing parameters
t_AOND/t_{AOFD (synchronous)}
t_AONPD/t_{AOFPD (asynchronous)}
t_AOND/t_AOFD
PDF: 09005aef824f87b6
2Gb_DDR2.pdf – Rev. H 10/11 EN
129
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