K4D28163HD Datasheet, PDF (15/16 Pages) Samsung semiconductor – 128Mbit DDR SDRAM

K4D28163HD
128M DDR SDRAM
K4D28163HD-TC60
Frequency
Cas Latency tRC
tRFC
tRAS
tRCD
tRP
tRRD
tDAL Unit
166MHz ( 6.0ns )
3
10
12
7
3
3
2
6
tCK
Simplified Timing @ BL=4
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
CK, CK
BA[1:0] _BAa
BAa
BAa
BAa
BAb BAa
BAb
A 1 0 / A P R_Ra_a
ADDR
(A0~A11) Ra
Ca
WE
Ra
Rb
Ra
Rb
Ca
Cb
DQS
DQ
Da0 Da1 Da2 Da3
DM
COMMAND
ACTIVEA
WRITEA
tRCD
tRAS
tRC
Normal Write Burst
(@ BL=4)
Da0 Da1 Da2 Da3 Db0 Db1 Db2 Db3
PRECH
ACTIVEA
ACTIVEB WRITEA
WRITEB
tRP
tRRD
Multi Bank Interleaving Write Burst
(@ BL=4)
- 15 -
Rev. 1.4(Aug. 2002)