k4d261638k Samsung Semiconductor, Inc., k4d261638k Datasheet - Page 15

• Manufacturer Part Number: k4d261638k
• Description: 128mbit Gddr Sdram
• Manufacturer: Samsung Semiconductor, Inc.

10.0 SIMPLIFIED TIMING
Simplified Timing @ BL=4
K4D261638K
CK, CK
BA[1:0]
ADDR
(A0~A7
,A9~A11)
A8/AP
WE
DQS
DQ
DM
COM
ACT_A
BAa
Ra
Ra
0
t
RCD
1
WR_A
BAa
Ca
2
Normal Write Burst
Da0 Da1 Da2 Da3
(@ BL=4)
3
4
t
RAS
5
6
t
RC
7
8
PRECH
BAa
9
- 15 /19 -
10
t
RP
11
12
ACT_A
BAa
Ra
Ra
13
Multi Bank Interleaving Write Burst
14
t
RRD
WR_A
BAa
Ca
15
ACT_B
Da0 Da1 Da2 Da3
BAb
Rb
128M GDDR SDRAM
Rb
(@ BL=4)
16
17
18
Rev. 1.3 July 2007
WR_B
Cb
BAb
19
Db0 Db1 Db2 Db3
20
21
22