MT47H256M8EB-25E:C Micron Technology Inc, MT47H256M8EB-25E:C Datasheet - Page 8
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MT47H256M8EB-25E:C
Manufacturer Part Number
MT47H256M8EB-25E:C
Description
256MX8 DDR2 SDRAM PLASTIC GREEN FBGA 1.8V
Manufacturer
Micron Technology Inc
Series
-r
Datasheet
1.MT47H256M8EB-25EC.pdf
(134 pages)
Specifications of MT47H256M8EB-25E:C
Format - Memory
RAM
Memory Type
DDR2 SDRAM
Memory Size
2G (256M x 8)
Speed
2.5ns
Interface
Parallel
Voltage - Supply
1.7 V ~ 1.9 V
Operating Temperature
0°C ~ 85°C
Package / Case
60-TFBGA
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MT47H256M8EB-25E:C
Manufacturer:
ATT
Quantity:
400
Company:
Part Number:
MT47H256M8EB-25E:C
Manufacturer:
MICRON
Quantity:
12 208
Company:
Part Number:
MT47H256M8EB-25E:C
Manufacturer:
MICRON
Quantity:
12 208
Company:
Part Number:
MT47H256M8EB-25E:C
Manufacturer:
BGA
Quantity:
11 350
Company:
Part Number:
MT47H256M8EB-25E:C
Manufacturer:
Micron Technology Inc
Quantity:
10 000
Part Number:
MT47H256M8EB-25E:C
Manufacturer:
MICRON
Quantity:
20 000
2Gb: x4, x8, x16 DDR2 SDRAM
Figure 51: READ-to-PRECHARGE – BL = 4 ...................................................................................................... 98
Figure 52: READ-to-PRECHARGE – BL = 8 ...................................................................................................... 98
Figure 53: Bank Read – Without Auto Precharge ............................................................................................ 100
Figure 54: Bank Read – with Auto Precharge .................................................................................................. 101
t
t
Figure 55: x4, x8 Data Output Timing –
DQSQ,
QH, and Data Valid Window ................................................. 102
t
t
Figure 56: x16 Data Output Timing –
DQSQ,
QH, and Data Valid Window ..................................................... 103
t
t
Figure 57: Data Output Timing –
AC and
DQSCK ......................................................................................... 104
Figure 58: Write Burst ................................................................................................................................... 106
Figure 59: Consecutive WRITE-to-WRITE ...................................................................................................... 107
Figure 60: Nonconsecutive WRITE-to-WRITE ................................................................................................ 107
Figure 61: WRITE Interrupted by WRITE ....................................................................................................... 108
Figure 62: WRITE-to-READ ........................................................................................................................... 109
Figure 63: WRITE-to-PRECHARGE ................................................................................................................ 110
Figure 64: Bank Write – Without Auto Precharge ............................................................................................ 111
Figure 65: Bank Write – with Auto Precharge ................................................................................................. 112
Figure 66: WRITE – DM Operation ................................................................................................................ 113
Figure 67: Data Input Timing ........................................................................................................................ 114
Figure 68: Refresh Mode ............................................................................................................................... 115
Figure 69: Self Refresh .................................................................................................................................. 117
Figure 70: Power-Down ................................................................................................................................ 119
Figure 71: READ-to-Power-Down or Self Refresh Entry .................................................................................. 121
Figure 72: READ with Auto Precharge-to-Power-Down or Self Refresh Entry .................................................. 121
Figure 73: WRITE-to-Power-Down or Self Refresh Entry ................................................................................ 122
Figure 74: WRITE with Auto Precharge-to-Power-Down or Self Refresh Entry ................................................. 122
Figure 75: REFRESH Command-to-Power-Down Entry ................................................................................. 123
Figure 76: ACTIVATE Command-to-Power-Down Entry ................................................................................ 123
Figure 77: PRECHARGE Command-to-Power-Down Entry ............................................................................ 124
Figure 78: LOAD MODE Command-to-Power-Down Entry ............................................................................ 124
Figure 79: Input Clock Frequency Change During Precharge Power-Down Mode ........................................... 125
Figure 80: RESET Function ........................................................................................................................... 127
Figure 81: ODT Timing for Entering and Exiting Power-Down Mode .............................................................. 129
Figure 82: Timing for MRS Command to ODT Update Delay .......................................................................... 130
Figure 83: ODT Timing for Active or Fast-Exit Power-Down Mode ................................................................. 130
Figure 84: ODT Timing for Slow-Exit or Precharge Power-Down Modes ......................................................... 131
Figure 85: ODT Turn-Off Timings When Entering Power-Down Mode ............................................................ 131
Figure 86: ODT Turn-On Timing When Entering Power-Down Mode ............................................................. 132
Figure 87: ODT Turn-Off Timing When Exiting Power-Down Mode ............................................................... 133
Figure 88: ODT Turn-On Timing When Exiting Power-Down Mode ................................................................ 134
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2gbddr2.pdf – Rev. E 06/10 EN
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