- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄384043 > UPD4564441 (Elpida Memory, Inc.) 64M-bit Synchronous DRAM 4-bank, LVTTL PDF資料下載
參數(shù)資料
| 型號： | UPD4564441 |
| 廠商： | Elpida Memory, Inc. |
| 英文描述： | 64M-bit Synchronous DRAM 4-bank, LVTTL |
| 中文描述： | 6400位同步DRAM 4銀行，LVTTL |
| 文件頁數(shù)： | 16/85頁 |
| 文件大?。?/td> | 919K |
| 代理商： | UPD4564441 |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁當(dāng)前第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁第60頁第61頁第62頁第63頁第64頁第65頁第66頁第67頁第68頁第69頁第70頁第71頁第72頁第73頁第74頁第75頁第76頁第77頁第78頁第79頁第80頁第81頁第82頁第83頁第84頁第85頁
Data Sheet E0149N10
16
μ
PD4564441, 4564841, 4564163
4.4 Operative Command Table
Note1
(1/3)
Current state
/CS /RAS /CAS /WE
Address
Command
Action
Notes
Idle
H
×
×
×
×
DESL
Nop or power down
2
L
H
H
×
×
NOP or BST
Nop or power down
2
L
H
L
H
BA, CA, A10
READ/READA
ILLEGAL
3
L
H
L
L
BA, CA, A10
WRIT/WRITA
ILLEGAL
3
L
L
H
H
BA, RA
ACT
Row activating
L
L
H
L
BA, A10
PRE/PALL
Nop
L
L
L
H
×
REF/SELF
CBR (auto) refresh or self refresh
4
L
L
L
L
Op-Code
MRS
Mode register accessing
Row active
H
×
×
×
×
DESL
Nop
L
H
H
×
×
NOP or BST
Nop
L
H
L
H
BA, CA, A10
READ/READA
Begin read : Determine AP
5
L
H
L
L
BA, CA, A10
WRIT/WRITA
Begin write : Determine AP
5
L
L
H
H
BA, RA
ACT
ILLEGAL
3
L
L
H
L
BA, A10
PRE/PALL
Precharge
6
L
L
L
H
×
REF/SELF
ILLEGAL
L
L
L
L
Op-Code
MRS
ILLEGAL
Read
H
×
×
×
×
DESL
Continue burst to end
→
Row active
L
H
H
H
×
NOP
Continue burst to end
→
Row active
L
H
H
L
×
BST
Burst stop
→
Row active
L
H
L
H
BA, CA, A10
READ/READA
Terminate burst, new read : Determine AP
7
L
H
L
L
BA, CA, A10
WRIT/WRITA
Terminate burst, start write : Determine AP
7, 8
L
L
H
H
BA, RA
ACT
ILLEGAL
3
L
L
H
L
BA, A10
PRE/PALL
Terminate burst, precharging
L
L
L
H
×
REF/SELF
ILLEGAL
L
L
L
L
Op-Code
MRS
ILLEGAL
Write
H
×
×
×
×
DESL
Continue burst to end
→
Write recovering
L
H
H
H
×
NOP
Continue burst to end
→
Write recovering
L
H
H
L
×
BST
Burst stop
→
Row active
L
H
L
H
BA, CA, A10
READ/READA
Terminate burst, start read : Determine AP
7, 8
L
H
L
L
BA, CA, A10
WRIT/WRITA
Terminate burst, new write : Determine AP
7
L
L
H
H
BA, RA
ACT
ILLEGAL
3
L
L
H
L
BA, A10
PRE/PALL
Terminate burst, precharging
9
L
L
L
H
×
REF/SELF
ILLEGAL
L
L
L
L
Op-Code
MRS
ILLEGAL
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UPD4564841 | 64M-bit Synchronous DRAM 4-bank, LVTTL |
| UPD485505 | LINE BUFFER 5K-WORD BY 8-BIT |
| UPD485505G-25 | LINE BUFFER 5K-WORD BY 8-BIT |
| UPD485505G-35 | LINE BUFFER 5K-WORD BY 8-BIT |
| UPD4990A | SERIAL I/O CALENDAR & CLOCK CMOS LSI |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPD45D128442G5C759LG | 制造商:NEC 功能描述:* |
| UPD4701AC-A | 制造商:Renesas Electronics 功能描述:Cut Tape |
| UPD4702C-A | 制造商:Renesas Electronics 功能描述:Cut Tape |
| UPD4702G-A | 制造商:Renesas Electronics 功能描述:Cut Tape |
| uPD4704C(A) | 制造商:Renesas Electronics 功能描述:Cut Tape |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。