參數(shù)資料
型號(hào): μPD45256163
廠商: NEC Corp.
英文描述: 256M-Bit Synchronous DRAM(256M 同步 動(dòng)態(tài)RAM)
中文描述: 256M位同步DRAM(256M同步動(dòng)態(tài)RAM)的
文件頁(yè)數(shù): 44/84頁(yè)
文件大小: 1052K
代理商: ΜPD45256163
μ
P
4
P
13.5
Power On Sequence & Auto Refresh
CLK
CKE
/RAS
/CAS
/WE
BA1
/CS
T
0
T
1
T
2
T
3
T
4
T
5
T
6
T
7
T
8
T
9
T
10
T
11
T
12
T
13
T
14
T
15
T
16
T
17
T
18
T
19
T
20
T
21
A10
ADD
DQM
DQ
BA0
All Banks
Precharge
Command
is necessary
AAAAAAAAAAAAAAAAAAAAAAAA
High level is necessary
AAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAA
AAA
AAAA
AAAAAAAAAAAAAAAAAAAAAAAA
AAAA
AAAA
AAAAAAA
AAAA
AAAA
AAAAAAA
AAAAAAA
AAAAAAA
AAAAAAA
AAAAAAA
AAA
AAA
AAA
AAA
AAA
AAA
AAAAAAAAAAAAAAAAAAAAAAAA
AAA
AAA
AAAAAAAAAAAAAAAAAAAAAAAA
AA
AAAAAAAAAAA
AAAAAAAAAAA
Register
Write
Command
is necessary
Refresh
Command
is necessary
AAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAA
AAAAAAAAAAA
AAAAAAAAAAA
AA
AAAAAAAAAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AA
AAAA
AAAA
AAAA
AAAA
Refresh
Command
is necessary
Activate
Command
tRC1
tRP
tRC1
Hi-z
tRSC
High level is necessary
2 refresh cycles are necessary
Clock signal is necessary
相關(guān)PDF資料
PDF描述
μPD45256441 256M-Bit Synchronous DRAM(256M 同步 動(dòng)態(tài)RAM)
μPD45256841 256M-Bit Synchronous DRAM(256M 同步 動(dòng)態(tài)RAM)
μPD4564163 64M-bit Synchronous DRAM(64M同步動(dòng)態(tài)RAM)
μPD4564441 64M-bit Synchronous DRAM(64M同步動(dòng)態(tài)RAM)
μPD4564841 64M-bit Synchronous DRAM(64M同步動(dòng)態(tài)RAM)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PD4558C 制造商:Panasonic Industrial Company 功能描述:IC
PD-45A 功能描述:線(xiàn)性和開(kāi)關(guān)式電源 40W 5V/3.2A 12V/2A RoHS:否 制造商:TDK-Lambda 產(chǎn)品:Switching Supplies 開(kāi)放式框架/封閉式:Enclosed 輸出功率額定值:800 W 輸入電壓:85 VAC to 265 VAC 輸出端數(shù)量:1 輸出電壓(通道 1):20 V 輸出電流(通道 1):40 A 商用/醫(yī)用: 輸出電壓(通道 2): 輸出電流(通道 2): 安裝風(fēng)格:Rack 長(zhǎng)度: 寬度: 高度:
PD-45B 功能描述:線(xiàn)性和開(kāi)關(guān)式電源 44.8W 5V/3.2A 24V/1.2A RoHS:否 制造商:TDK-Lambda 產(chǎn)品:Switching Supplies 開(kāi)放式框架/封閉式:Enclosed 輸出功率額定值:800 W 輸入電壓:85 VAC to 265 VAC 輸出端數(shù)量:1 輸出電壓(通道 1):20 V 輸出電流(通道 1):40 A 商用/醫(yī)用: 輸出電壓(通道 2): 輸出電流(通道 2): 安裝風(fēng)格:Rack 長(zhǎng)度: 寬度: 高度:
PD45VN6C100 制造商:Banner Engineering 功能描述:SENSOR, PHOTOELECTRIC, PICODOT, CONVERGENT LASER, FOCAL POINT, 1
PD45VN6C100Q 制造商:Banner Engineering 功能描述:Sensor, PicoDot, Convergent Laser, Focal Point: 102mm, Input 10-30VDC, Cable 2m