參數(shù)資料
型號: W9864G6GB-6I
廠商: WINBOND ELECTRONICS CORP
元件分類: DRAM
英文描述: 4M X 16 SYNCHRONOUS DRAM, 5.5 ns, PBGA60
封裝: 6.40 X 10.10 MM, 0.65 MM PITCH, ROHS COMPLIANT, VFBGA-60
文件頁數(shù): 8/44頁
文件大?。?/td> 0K
代理商: W9864G6GB-6I
W9864G6GB
Publication Release Date:Aug. 13, 2007
- 16 -
Revision A05
9.5
AC Characteristics and Operating Condition
(VDD=3V±0.3V for-6I ,VDD=2.7V~3.6V for -7/-7I, TA = 0 to 70°C for -7, TA = -40 to 85°C for -6I/-7I) (Notes: 5, 6.)
-6I
-7/-7I
PARAMETER
SYM.
MIN.
MAX.
MIN.
MAX.
UNIT
NOTES
Ref/Active to Ref/Active Command Period
tRC
60
65
Active to precharge Command Period
tRAS
42
100000
45
100000
Active to Read/Write Command Delay
Time
tRCD
18
20
nS
Read/Write(a) to Read/Write(b)
Command Period
tCCD
1
tCK
Precharge to Active(b) Command Period
tRP
18
Active(a) to Active(b) Command Period
tRRD
12
14
nS
Write Recovery Time
CL* = 2
CL* = 3
tWR
2
tCK
CLK Cycle Time
CL* = 2
tCK
7.5
1000
10
1000
CL* = 3
6
1000
7
1000
CLK High Level
tCH
2
9
CLK Low Level
tCL
2
9
Access Time from CLK
CL* = 2
tAC
5.5
6
CL* = 3
5
5.5
11
Output Data Hold Time
tOH
2
11
Output Data High Impedance Time
tHZ
2
6
2
7
8
Output Data Low Impedance Time
tLZ
0
11
Power Down Mode Entry Time
tSB
0
6
0
7
Transition Time of CLK (Rise and Fall)
tT
1
7
Data-in-Set-up Time
tDS
1.5
10
Data-in Hold Time
tDH
1
10
Address Set-up Time
tAS
1.5
10
Address Hold Time
tAH
1
10
CKE Set-up Time
tCKS
1.5
10
CKE Hold Time
tCKH
1
10
Command Set-up Time
tCMS
1.5
10
Command Hold Time
tCMH
1
nS
10
Refresh Time
tREF
64
mS
Mode Register Set Cycle Time
tRSC
14
nS
Exit self refresh to ACTIVE Command
tXSR
72
75
nS
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