mt8lsdt3264ay-13e Micron Semiconductor Products, mt8lsdt3264ay-13e Datasheet - Page 17

• Manufacturer Part Number: mt8lsdt3264ay-13e
• Description: 256mb X64, Sr , 512mb X64, Dr 168-pin Sdram Udimm
• Manufacturer: Micron Semiconductor Products

Table 17:
PDF: 09005aef807b3771/Source: 09005aef807b37b5
SD8_16C32_64x64AG.fm - Rev. D 3/05 EN
AC Characteristics
Parameter
Access timefrom CLK (pos.edge) CL=3
Address hold time
Address setup time
CLK high-level width
CLK low-level width
Clock cycle time
CKE hold time
CKE setup time
CS#, RAS#, CAS#, WE#, DQM hold time
CS#, RAS#, CAS#, WE#, DQM setup time
Data-in hold time
Data-in setup time
Data-out high-impedance time
Data-out low-impedance time
Data-out hold time (load)
Data-out hold time (no load)
ACTIVE to PRECHARGE command
ACTIVE to ACTIVE command period
ACTIVE to READ or WRITE delay
Refresh period (8,192 rows)
AUTOREFRESH period
PRECHARGE command period
ACTIVE bank a to ACTIVE bank b
command
Transition time
WRITE recovery time
Exit SELF REFRESH to ACTIVE command
Electrical Characteristics and Recommended AC Operating Conditions
Notes: 5, 6, 8, 9, 11, 22; notes appear on page 19
Module AC timing parameters comply with PC100 and PC133 Design Specs, based on component parameters
CL=2
CL=3
CL = 2
CL = 3
CL = 2
256MB (x64, SR), 512MB (x64, DR) 168-Pin SDRAM UDIMM
Symbol
t
t
t
t
t
t
t
t
t
AC(3)
AC(2)
CK(3)
CK(2)
HZ(3)
HZ(2)
t
t
t
t
t
t
t
CMH
t
t
t
t
t
CKH
CMS
t
OH
t
t
RAS
t
RCD
RRD
t
CKS
RFC
t
XSR
t
REF
WR
AH
DH
OH
CH
AS
DS
RC
t
CL
LZ
RP
T
N
1 CLK
+7ns
MIN
0.8
1.5
2.5
2.5
7.5
0.8
1.5
0.8
1.5
0.8
1.5
1.8
0.3
15
66
14
14
67
37
60
15
7
1
3
-13E
17
120,000
MAX
5.4
5.4
5.4
5.4
1.2
64
Micron Technology, Inc., reserves the right to change products or specifications without notice.
+7.5ns
1 CLK
MIN
0.8
1.5
2.5
2.5
7.5
0.8
1.5
0.8
1.5
0.8
1.5
1.8
0.3
10
44
66
20
66
20
15
15
75
1
3
-133
120,000
MAX
5.4
5.4
1.2
64
6
6
1 CLK
+7ns
MIN
Electrical Specifications
1.8
0.3
10
50
70
20
70
20
20
15
80
1
2
3
3
8
1
2
1
2
1
2
1
3
-10E
©2003 Micron Technology, Inc. All rights reserved.
120,000
MAX
1.2
64
6
6
6
6
Units
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes
27
23
23
10
10
28
31
24
25
20
7