MT47H256M4B7-5E:A TR Micron Technology Inc, MT47H256M4B7-5E:A TR Datasheet - Page 120
![IC DDR2 SDRAM 1GBIT 5NS 92FBGA](/photos/7/26/72643/557-92-fbga_sml.jpg)
MT47H256M4B7-5E:A TR
Manufacturer Part Number
MT47H256M4B7-5E:A TR
Description
IC DDR2 SDRAM 1GBIT 5NS 92FBGA
Manufacturer
Micron Technology Inc
Datasheet
1.MT47H256M4HQ-5EE_TR.pdf
(131 pages)
Specifications of MT47H256M4B7-5E:A TR
Format - Memory
RAM
Memory Type
DDR2 SDRAM
Memory Size
1G (256M x 4)
Speed
5ns
Interface
Parallel
Voltage - Supply
1.7 V ~ 1.9 V
Operating Temperature
0°C ~ 85°C
Package / Case
92-FBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Figure 74: REFRESH Command-to-Power-Down Entry
Figure 75: ACTIVATE Command-to-Power-Down Entry
PDF: 09005aef821ae8bf
1GbDDR2.pdf – Rev. T 02/10 EN
Note:
Note:
Command
Command
Address
1. The earliest precharge power-down entry may occur is at T2, which is 1 ×
1. The earliest active power-down entry may occur is at T2, which is 1 ×
CK#
CKE
CK#
CKE
CK
CK
REFRESH command. Precharge power-down entry occurs prior to
fied.
VATE command. Active power-down entry occurs prior to
Valid
Valid
T0
T0
REFRESH
VALID
ACT
T1
T1
120
1 t CK
1 x t CK
Power-down 1
Micron Technology, Inc. reserves the right to change products or specifications without notice.
Power-down 1
entry
entry
NOP
NOP
T2
T2
1Gb: x4, x8, x16 DDR2 SDRAM
t CKE (MIN)
t CKE (MIN)
T3
T3
t
RCD (MIN) being satisfied.
Power-Down Mode
© 2004 Micron Technology, Inc. All rights reserved.
Don’t Care
Don’t Care
t
RFC (MIN) being satis-
t
CK after the ACTI-
t
CK after the
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