參數(shù)資料
型號: MB81V4265S-70
廠商: Fujitsu Limited
英文描述: CMOS 256K ×16 BIT Hyper Page Mode Dynamic RAM(CMOS 256K ×16位超級頁面存取模式動態(tài)RAM)
中文描述: 的CMOS 256K × 16位的超頁模式動態(tài)RAM的CMOS(256K × 16位超級頁面存取模式動態(tài)內(nèi)存)
文件頁數(shù): 12/29頁
文件大小: 377K
代理商: MB81V4265S-70
12
MB81V4265S-60/-70
“H” or “L”
DESCRIPTION
To implement a read operation, a valid address is latched by the RAS and LCAS or UCAS address strobes and with WE set to a
High level and OE set to a low level, the output is valid once the memory access time has elapsed. DQ8 to DQ16 pins is valid
when RAS and CAS are High or until OE goes High. The access time is determined by RAS(t
RAC
), LCAS/UCAS(t
CAC
), OE(t
OEA
) or
column addresses (t
AA
) under the following conditions:
If t
RCD
> t
RCD
(max), access time = t
CAC
.
If t
RAD
> t
RAD
(max), access time = t
AA
.
If OE is brought Low after t
RAC
, t
CAC
, or t
AA
(whichever occurs later), access time = t
OEA.
However, if either LCAS/UCAS or OE goes High, the output returns to a high-impedance state after t
OH
is satisfied.
Fig. 5 – READ CYCLE
RAS
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
OH
V
OL
LCAS
or
UCAS
WE
DQ
(Output)
A
0
to A
8
V
IH
V
IL
DQ
(Input)
V
IH
V
IL
OE
COLUMN ADD
ROW ADD
HIGH-Z
HIGH-Z
Valid Data
t
RC
t
RAS
t
RA
t
CRP
t
CSH
t
RCD
t
RSH
t
CAS
t
RP
t
RAD
t
ASR
t
RAH
t
ASC
t
CAH
t
RAL
t
CAL
t
CDD
t
RDD
t
OEL
t
COL
t
RCS
t
RRH
t
RCH
t
WPZ
t
AA
t
CAC
t
RAC
t
DZC
t
ON
t
OEA
t
OEZ
t
DZO
t
ON
t
OH
t
OED
t
WED
WEZ
t
OH
t
OFF
相關(guān)PDF資料
PDF描述
MB81V4400C-60 CMOS 1M x 4 Bit Fast Page Mode Dynamic RAM(CMOS 1M x 4位快速頁模式動態(tài)RAM)
MB81V4400C-70 CMOS 1M x 4 Bit Fast Page Mode Dynamic RAM(CMOS 1M x 4位快速頁模式動態(tài)RAM)
MB81V4405C-60 CMOS 1M ×4 BIT Hyper Page Mode Dynamic RAM(CMOS 1M ×4 位超級頁面存取模式動態(tài)RAM)
MB81V4405C-70 CMOS 1M ×4 BIT Hyper Page Mode Dynamic RAM(CMOS 1M ×4 位超級頁面存取模式動態(tài)RAM)
MB81V4800S-60 CMOS 512K×8 BIT Fast Page Mode DRAM(CMOS 512K×8位快速頁面存取模式動態(tài)RAM)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB82 功能描述:RECTIFIER BRIDGE 8A 200V BR-6 RoHS:否 類別:分離式半導(dǎo)體產(chǎn)品 >> 橋式整流器 系列:- 產(chǎn)品變化通告:Product Discontinuation 14/Mar/2011 標(biāo)準(zhǔn)包裝:1,500 系列:- 電壓 - 峰值反向(最大):1000V 電流 - DC 正向(If):1.5A 二極管類型:單相 速度:標(biāo)準(zhǔn)恢復(fù) >500ns,> 200mA(Io) 反向恢復(fù)時間(trr):- 安裝類型:表面貼裝 封裝/外殼:4-SMD 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:4-SDIP
MB820 功能描述:ACCY MOUNT BMM 3/4 58A RoHS:是 類別:RF/IF 和 RFID >> RF配件 系列:* 標(biāo)準(zhǔn)包裝:1 系列:*
MB-8210 制造商:Maxxtro 功能描述:Bulk
MB82101BAN 制造商:MURATA 制造商全稱:Murata Manufacturing Co., Ltd. 功能描述:HIGH FREQUENCY CERAMIC CAPACITORS
MB82101BBN 制造商:MURATA 制造商全稱:Murata Manufacturing Co., Ltd. 功能描述:HIGH FREQUENCY CERAMIC CAPACITORS