欢迎访问ic37.com |
会员登录 免费注册
发布采购

UT7C139C55WCA 参数 Datasheet PDF下载

UT7C139C55WCA图片预览
型号: UT7C139C55WCA
PDF下载: 下载PDF文件 查看货源
内容描述: 4Kx8 / 9抗辐射双口静态RAM与忙标志 [4Kx8/9 Radiation-Hardened Dual-Port Static RAM with Busy Flag]
分类和应用:
文件页数/大小: 21 页 / 360 K
品牌: AEROFLEX [ AEROFLEX CIRCUIT TECHNOLOGY ]
 浏览型号UT7C139C55WCA的Datasheet PDF文件第4页浏览型号UT7C139C55WCA的Datasheet PDF文件第5页浏览型号UT7C139C55WCA的Datasheet PDF文件第6页浏览型号UT7C139C55WCA的Datasheet PDF文件第7页浏览型号UT7C139C55WCA的Datasheet PDF文件第9页浏览型号UT7C139C55WCA的Datasheet PDF文件第10页浏览型号UT7C139C55WCA的Datasheet PDF文件第11页浏览型号UT7C139C55WCA的Datasheet PDF文件第12页  
t
RC
Address
t
AA
Data Out
t
OHA
Previous Data Valid
Assumptions:
1.R/W is HIGH for read cycle
2.Device is continuously selected CE =LOW and OE=LOW
Data Valid
Figure 3a. Read Cycle 1
CE
t
ACE
t
HZCE
t
DOE
t
LZOE
Data Out
t
LZCE
t
HZOE
OE
Assumptions:
1. Address valid prior to or coincident with CE transition LOW
2. R/W is HIGH for read cycle
Figure 3b. Read Cycle 2
t
WC
Address
R/W
R
MATCH
t
PWE
t
S D
VALID
MATCH
t
HD
Data
INR
Address
L
DATA
OUTL
Assumptions:
1. BUSY = HIGH for the writing port
2. CE
L
= C E
R
= LOW
t
DDD
VALID
t
WDD
Figure 3c. Read Timing with Port-to-Port Delay
8