国产精品成人VA在线观看-国产乱妇乱子视频在播放-国产日韩精品一区二区三区在线-国模精品一区二区三区

參數資料
型號: W942516CH
廠商: WINBOND ELECTRONICS CORP
英文描述: 4M X 4 BANKS X 16 BIT DDR SDRAM
中文描述: 4米× 4銀行× 16位DDR SDRAM
文件頁數: 12/47頁
文件大小: 2809K
代理商: W942516CH
W942516CH
- 12 -
-5
-6
SYM.
PARAMETER
MIN.
55
70
40
15
15
1
15
10
15
30
5
5
MAX.
70000
10
10
MIN.
60
72
42
18
15
1
18
12
15
30
6
6
MAX.
100000
12
12
UNITS NOTES
t
RC
t
RFC
t
RAS
t
RCD
t
RAP
t
CCD
t
RP
t
RRD
t
WR
t
DAL
Active to Ref/Active Command Period
Ref to Ref/Active Command Period
Active to Precharge Command Period
Active to Read/Write Command Delay Time
Active to Read with Auto Precharge Enable
Read/Write(a) to Read/Write(b) Command Period
Precharge to Active Command Period
Active(a) to Active(b) Command Period
Write Recovery Time
Auto Precharge Write Recovery + Precharge Time
nS
tCK
2.5
3
t
CK
CLK Cycle Time
t
AC
Data Access Time from CLK, CLK
-0.7
0.7
-0.7
0.7
t
DQSCK
DQS Output Access Time from CLK, CLK
Data Strobe Edge to Output Data Edge Skew
CLk High Level Width
CLK Low Level Width
-0.55
0.55
-0.6
0.6
16
t
DQSQ
t
CH
t
CL
0.4
0.55
0.55
0.45
0.55
0.55
nS
0.45
0.45
Min.
0.45
0.45
Min.
tCK
11
t
HP
CLK Half Period (minimum of actual t
CH,
t
CL
)
(tCL,tCH)
tHP
-0.5
0.9
0.4
0.4
0.4
1.75
0.35
0.35
0.2
0.2
0
0.25
0.4
0.72
-0.25
0.6
0.6
2.2
(tCL,tCH)
tHP
-0.55
0.9
0.4
0.45
0.45
1.75
0.35
0.35
0.2
0.2
0
0.25
0.4
0.75
-0.25
0.75
0.75
2.2
t
QH
DQ Output Data Hold Time from DQS
nS
t
RPRE
t
RPST
t
DS
t
DH
t
DIPW
t
DQSH
t
DQSL
t
DSS
t
DSH
t
WPRES
t
WPRE
t
WPST
t
DQSS
t
DSSK
t
IS
t
IH
t
IPW
DQS Read Preamble Time
DQS Read Postamble Time
DQ and DM Setup Time
DQ and DM Hold Time
DQ and DM Input Pulse Width (for each input)
DQS Input High Pulse Width
DQS Input Low Pulse Width
DQS Falling Edge to CLK Setup Time
DQS Falling Edge Hold Time from CLK
Clock to DQS Write Preamble Set-up Time
DQS Write Preamble Time
DQS Write Postamble Time
Write Command to First DQS Latching Transition
UDQS – LDQS Skew (x 16)
Input Setup Time
Input Hold Time
Control & Address Input Pulse Width (for each input)
1.1
0.6
0.6
1.28
0.25
1.1
0.6
0.6
1.25
0.25
tCK
11
nS
tCK
11
nS
11
tCK
t
HZ
Data-out High-impedance Time from CLK,CLK
Max tAC
-0.7
0.7
t
LZ
Data-out Low-impedance Time from CLK, CLK
SSTL Input Transition
Internal Write to Read Command Delay
Exit Self Refresh to non-Read Command
Exit Self Refresh to Read Command
Refresh Time (8k)
Mode Register Set Cycle Time
-0.7
0.7
-0.7
0.7
t
T(SS)
t
WTR
t
XSNR
t
XSRD
t
REF
t
MRD
0.5
2
75
10
10
1.5
64
0.5
2
75
10
12
1.5
64
nS
tCK
ns
tCK
mS
nS
相關PDF資料
PDF描述
W946432AD 512K X 4 BANKS X 32 BITS DDR SDRAM
W963A6BBN 512K WORD X 16 BIT LOW POWER PSEUDO SRAM
W963A6BBN70 512K WORD X 16 BIT LOW POWER PSEUDO SRAM
W963A6BBN70E 512K WORD X 16 BIT LOW POWER PSEUDO SRAM
W963A6BBN70I 512K WORD X 16 BIT LOW POWER PSEUDO SRAM
相關代理商/技術參數
參數描述
W9425G6DH 制造商:WINBOND 制造商全稱:Winbond 功能描述:4M X 4 BANKS X 16 BITS DDR SDRAM
W9425G6EH 制造商:WINBOND 制造商全稱:Winbond 功能描述:4 M 】 4 BANKS 】 16 BITS DDR SDRAM
W9425G6EH_0812 制造商:WINBOND 制造商全稱:Winbond 功能描述:4 M × 4 BANKS × 16 BITS DDR SDRAM
W9425G6EH-5 功能描述:IC DDR-400 SDRAM 256MB 66TSSOPII RoHS:是 類別:集成電路 (IC) >> 存儲器 系列:- 標準包裝:1,000 系列:- 格式 - 存儲器:EEPROMs - 串行 存儲器類型:EEPROM 存儲容量:4K (512 x 8) 速度:400kHz 接口:I²C,2 線串口 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 封裝/外殼:8-SOIC(0.173",4.40mm 寬) 供應商設備封裝:8-MFP 包裝:帶卷 (TR)
W9425G6EH-5I 制造商:Winbond Electronics Corp 功能描述: