m470l3223dt0 Samsung Semiconductor, Inc., m470l3223dt0 Datasheet - Page 10

• Manufacturer Part Number: m470l3223dt0
• Description: 256mb Ddr Sdram Module
• Manufacturer: Samsung Semiconductor, Inc.

AC Timming Parameters & Specifications
Row cycle time
Refresh row cycle time
Row active time
RAS to CAS delay
Row precharge time
Row active to Row active delay
Write recovery time
Last data in to Read command
Col. address to Col. address delay
Clock cycle time
Clock high level width
Clock low level width
DQS-out access time from CK/CK
Output data access time from CK/CK
Data strobe edge to ouput data edge
Read Preamble
Read Postamble
CK to valid DQS-in
DQS-in setup time
DQS-in hold time
DQS falling edge to CK rising-setup time
DQS falling edge from CK rising-hold time
DQS-in high level width
DQS-in low level width
DQS-in cycle time
Address and Control Input setup time(fast)
Address and Control Input hold time(fast)
Address and Control Input setup time(slow)
Address and Control Input hold time(slow)
Data-out high impedence time from CK/CK
Data-out low impedence time from CK/CK
Input Slew Rate(for input only pins)
Input Slew Rate(for I/O pins)
Output Slew Rate(x4,x8)
Output Slew Rate(x16)
Output Slew Rate Matching Ratio(rise to fall)
M470L3223DT0
Parameter
CL=2.0
CL=2.5
tDQSCK
tWPRES
Symbol
tDQSQ
tDQSS
tWPRE
tDQSH
tSL(IO)
tRPRE
tDQSL
tRPST
tSL(O)
tSL
tRCD
tWTR
tSL(I)
t
tRFC
tRAS
tRRD
tCCD
tDSS
tDSH
tDSC
tWR
SLMR
tRC
tRP
tCK
tCH
tAC
tHZ
tCL
tLZ
tIH
tIH
tIS
tIS
(O)
-TCA2(DDR266A) -TCB0(DDR266B) -TCA0 (DDR200)
(These AC charicteristics were tested on the Component)
-0.75
-0.75
-0.75
-0.75
0.45
0.45
0.75
0.25
0.35
0.35
0.67
Min
7.5
7.5
0.9
0.4
0.2
0.2
0.9
0.9
0.9
1.0
1.0
0.5
0.5
1.0
0.7
65
75
45
20
20
15
15
1
1
0
-
+0.75
+0.75
120K
+0.75
+0.75
Max
0.55
0.55
1.25
0.5
1.1
0.6
1.1
4.5
1.5
12
12
5
-0.75
-0.75
-0.75
-0.75
0.45
0.45
0.75
0.25
0.35
0.35
0.67
Min
7.5
0.9
0.4
0.2
0.2
0.9
0.9
0.9
1.0
1.0
0.5
0.5
1.0
0.7
65
75
45
20
20
15
15
10
1
1
0
-
+0.75
+0.75
120K
+0.75
+0.75
Max
0.55
0.55
1.25
0.5
1.1
0.6
1.1
4.5
1.5
12
12
5
0.45
0.45
0.75
0.25
0.35
0.35
0.67
Min
-0.8
-0.8
0.9
0.4
0.2
0.2
0.9
1.1
1.1
1.1
1.1
-0.8
-0.8
0.5
0.5
1.0
0.7
70
80
48
20
20
15
15
10
1
1
0
-
Rev. 0.0 Dec. 2001
120K
Max
0.55
0.55
+0.8
+0.8
1.25
+0.8
+0.8
0.6
1.1
0.6
1.1
4.5
1.5
12
5
V/ns
V/ns
V/ns
V/ns
Unit
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Note
10
10
5
5
5
2
6
6
6
6
6
7