k4s160822d Samsung Semiconductor, Inc., k4s160822d Datasheet - Page 38

• Manufacturer Part Number: k4s160822d
• Description: 2mx8 Sdram 1m X 8bit X 2 Banks Synchronous Dram Lvttl
• Manufacturer: Samsung Semiconductor, Inc.

DQ
CLOCK
KM48S2120D
Read & Write Cycle with Auto Precharge II @Burst Length=4
A
ADDR
DQM
10
CKE
RAS
CAS
WE
/AP
CS
BA
CL=2
CL=3
*Note :
0
Row Active
(A-Bank)
Ra
Ra
1
¨ç Any command to A-bank is not allowed in this period.
tRP is determined from at auto precharge start point
2
3
4
Auto Precharge
Read with
(A-Bank)
Ca
5
6
Qa0
7
*¨ç
Qa1
Qa0
Auto Precharge
Row Active
8
Start Point
(A-Bank)
(B-Bank)
Qa2
Rb
Rb
Qa1
- 38
9
HIGH
Qa3
Qa2
10
Auto Precharge
Cb
Qa3
Read with
(B-Bank)
11
12
Qb0
13
Qb1
Auto Precharge
Qb0
14
Start Point
(B-Bank)
Qb2
Qb1
15
CMOS SDRAM
Qb3
Qb2
Rev.1.0 (Mar. 1999)
16
Qb3
17
18
: Don't care
19