参数资料
型号: W9412G6CH-5
厂商: WINBOND ELECTRONICS CORP
元件分类: DRAM
英文描述: 8M X 16 DDR DRAM, 0.7 ns, PDSO66
封装: 0.400 INCH, 0.65 MM PITCH, ROHS COMPLIANT, TSOP2-66
文件页数: 10/55页
文件大小: 2011K
代理商: W9412G6CH-5
W9412G6CH
Publication Release Date:Nov. 19, 2007
- 18 -
Revision A07
8. OPERATION MODE
The following table shows the operation commands.
8.1 Simplified Truth Table
SYM.
COMMAND
DEVICE
STATE
CKEn-1 CKEn
DM
(4)
BS0,
BS1
A10
A0-A9
,A11
CS
RAS
CAS
WE
ACT
Bank Active
Idle
(3)
H
X
V
L
H
PRE
Bank Precharge
Any
(3)
H
X
V
L
X
L
H
L
PREA
Precharge All
Any
H
X
H
X
L
H
L
WRIT
Write
Active
(3)
H
X
V
L
V
L
H
L
WRITA
Write with Auto-
precharge
Active
(3)
H
X
V
H
V
L
H
L
READ
Read
Active
(3)
H
X
V
L
V
L
H
L
H
READA
Read with Auto-
precharge
Active
(3)
H
X
V
H
V
L
H
L
H
MRS
Mode Register Set
Idle
H
X
L, L
C
L
EMRS
Extended Mode
Register Set
Idle
H
X
H, L
V
L
NOP
No Operation
Any
H
X
L
H
BST
Burst Read Stop
Active
H
X
L
H
L
DSL
Device Deselect
Any
H
X
H
X
AREF
Auto Refresh
Idle
H
X
L
H
SELF
Self Refresh
Entry
Idle
H
L
X
L
H
X
SELEX
Self Refresh Exit
Idle (Self
Refresh)
L
H
X
L
H
X
H
X
PD
Power Down
Mode Entry
Idle/
Active
(5)
H
L
X
L
H
X
H
X
PDEX
Power Down
Mode Exit
Any
(Power
Down)
L
H
X
L
H
X
WDE
Data Write Enable
Active
H
X
L
X
WDD
Data Write Disable
Active
H
X
H
X
Notes
:
1. V = Valid X = Don’t Care L = Low level H = High level
2. CKE
n signal is input level when commands are issued.
CKE
n-1 signal is input level one clock cycle before the commands are issued.
3. These are state designated by the BS0, BS1 signals.
4. LDM, UDM (W9412G6CH).
5. Power Down Mode can not entry in the burst cycle.
相关PDF资料
PDF描述
W942504CH-7 64M X 4 DDR DRAM, 0.75 ns, PDSO66
W9864G6IH-6 4M X 16 DDR DRAM, 5 ns, PDSO54
WA-1RX33-A4 SNAP ACTING/LIMIT SWITCH
WA-A325CBM Peripheral Interface
WA-A325CPC Peripheral Interface
相关代理商/技术参数
参数描述
W9412G6IH 制造商:WINBOND 制造商全称:Winbond 功能描述:2M × 4 BANKS × 16 BITS DDR SDRAM
W9412G6IH-5 功能描述:IC DDR-400 SDRAM 128MB 66TSSOPII RoHS:是 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:1,000 系列:- 格式 - 存储器:EEPROMs - 串行 存储器类型:EEPROM 存储容量:4K (512 x 8) 速度:400kHz 接口:I²C,2 线串口 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 封装/外壳:8-SOIC(0.173",4.40mm 宽) 供应商设备封装:8-MFP 包装:带卷 (TR)
W9412G6JH 制造商:WINBOND 制造商全称:Winbond 功能描述:2M ? 4 BANKS ? 16 BITS DDR SDRAM
W9412G6JH-4 制造商:Winbond Electronics Corp 功能描述:8*16B DDR1 制造商:Winbond Electronics Corp 功能描述:IC DDR SDRAM 128M 250MHZ 66TSOP
W9412G6JH-5 制造商:Winbond Electronics Corp 功能描述:DRAM Chip DDR SDRAM 128M-Bit 8Mx16 2.5V 66-Pin TSOP 制造商:Winbond Electronics Corp 功能描述:128M BIT DDR1