W9864G2GH Datasheet, PDF (17/46 Pages) Winbond – 512K X 4 BANKS X 32BITS SDRAM

W9864G2GH
9.5 AC Characteristics and Operating Condition
(VCC = 3.3V±0.3V for -5/-6/-6C,VCC=2.7V-3.6V for -7 on TA = 0°~70°C, VCC = 3.3V±0.3V for 6I on TA = -40°~85°C.)
(Notes: 5, 6.)
PARAMETER
SYM
Ref/Active to
Ref/Active Command tRC
Period
Active to precharge
Command Period
tRAS
Active to Read/Write
Command Delay Time
tRCD
Read/Write(a) to
Read/ Write(b)
Command Period
tCCD
Precharge to Active(b)
Command Period
tRP
Active(a) to Active(b)
Command Period
tRRD
Write Recovery Time
CL* = 2
tWR
CL* = 3
CLK Cycle Time
CL* = 2
tCK
CL* = 3
CLK High Level
tCH
CLK Low Level
tCL
Access Time from
CLK CL* = 2 _tAC
CL* = 3
Output Data Hold
Time
tOH
Output Data High
tHZ
Impedance Time
Output Data Low
tLZ
Impedance Time
Power Down Mode
tSB
Entry Time
Transition Time of
CLK (Rise and Fall)
tT
Data-in-Set-up Time tDS
Data-in Hold Time
tDH
Address Set-up Time tAS
Address Hold Time
tAH
CKE Set-up Time
tCKS
CKE Hold Time
tCKH
Command Set-up Time tCMS
Command Hold Time tCMH
-5
MIN. MAX.
55
40
10000
0
15
1
15
10
2
10 1000
5
1000
2
2
－
4.5
2
2
5
0
0
5
0.5
1
1.5
1
1.5
1
1.5
1
1.5
1
-6/-6I
MIN. MAX.
60
42 100000
18
1
18
12
2
10 1000
6 1000
2
2
6
5
2
2
6
0
0
6
0.5
1
1.5
1
1.5
1
1.5
1
1.5
1
-6C
MIN. MAX.
60
42 100000
18
1
18
12
2
7.5 1000
6
1000
2
2
5.5
5
2
2
6
0
0
6
0.5
1
1.5
0.8
1.5
0.8
1.5
0.8
1.5
0.8
-7
MIN. MAX.
65
45 100000
20
1
20
14
2
10 1000
7
1000
2
2
6
5.5
2
2
7
0
0
7
0.5
1
1.5
1
1.5
1
1.5
1
1.5
1
UNIT
nS
tCK
nS
tCK
nS
NOTES
9
9
11
11
8
11
7
10
10
10
10
10
10
10
10
- 17 -
Publication Release Date:Aug. 13, 2007
Revision A09