Hynix HMT325R7BFR8C-H9T7 User Manual

Page of 75
Rev. 1.5 / Mar. 2012
4
Key Parameters
*Hynix DRAM devices support optional downbinning to CL11, CL9, and CL7. SPD setting is programmed to 
match.
Speed Grade
Address Table
MT/s
Grade
tCK
(ns)
CAS
Latency
(tCK)
tRCD
(ns)
tRP
(ns)
tRAS
(ns)
tRC
(ns)
CL-tRCD-tRP
DDR3-1066
-G7
1.875
7
13.125
13.125
37.5
50.625
7-7-7
DDR3-1333
-H9
1.5
9
13.5
(13.125)*
13.5
(13.125)*
36
49.5
(49.125)*
9-9-9
DDR3-1600
-PB
1.25
11
13.75
(13.125)*
13.75
(13.125)*
35
48.75
(48.125)*
11-11-11
Grade
Frequency [MHz]
Remark
CL6
CL7
CL8
CL9
CL10
CL11
-G7
800
1066
1066
-H9
800
1066
1066
1333
1333
-PB
800
1066
1066
1333
1333
1600
2GB(1Rx8)
4GB(2Rx8)
4GB(1Rx4)
8GB(4Rx8)
8GB(2Rx4)
16GB(4Rx4)
Refresh 
Method
8K/64ms
8K/64ms
8K/64ms
8K/64ms
8K/64ms
8K/64ms
Row Address
A0-A13
A0-A13
A0-A13
A0-A13
A0-A13
A0-A13
Column 
Address
A0-A9
A0-A9
A0-A9,A11
A0-A9
A0-A9,A11
A0-A9,A11
Bank Address
BA0-BA2
BA0-BA2
BA0-BA2
BA0-BA2
BA0-BA2
BA0-BA2
Page Size
1KB
1KB
1KB
1KB
1KB
1KB