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AD402M88RQA-5

AD402M88RQA-5首页预览图
型号: AD402M88RQA-5
PDF文件:
  • AD402M88RQA-5 PDF文件
  • AD402M88RQA-5 PDF在线浏览
功能描述: Low voltage operation is more suitable to be used on battery backup, portable electronic
PDF文件大小: 211.22 Kbytes
PDF页数: 共28页
制造商: ETC[List of Unclassifed Manufacturers]
制造商LOGO: ETC[List of Unclassifed Manufacturers] LOGO
制造商网址:
捡单宝AD402M88RQA-5
PDF页面索引
120%
Rev.1 Page 10
AC Characteristics
(T
a
= 0 to + 70°C, V
cc
= 3.3V %, V
ss
= 0V) *1, *2, *3, *4
Test conditions
• Output load: one TTL Load and 100pF (V
CC
= 3.3V %)
• Input timing reference levels:
V
IH
= 2.0V, V
IL
= 0.8V (V
CC
= 3.3V %)
• Output timing reference levels:
V
OH
= 2.0V, V
OL
= 0.8V
10±
10±
10±
Read, Write, Read- Modify- Write and Refresh Cycles
(Common Parameters)
Parameter Symbol
AD404M42V Unit Notes
-5 -6
Min Max Min Max
Random read or write cycle time t
RC
84 - 104 - ns
RAS precharge time t
RP
30 - 40 - ns
CAS precharge time in normal mode t
CPN
10 - 10 - ns
RAS pulse width t
RAS
50 10000 60 10000 ns 5
CAS pulse width t
CAS
8 10000 10 10000 ns 6
Row address setup time t
ASR
0 - 0 - ns
Row address hold time t
RAH
8 - 10 - ns
Column address setup time t
ASC
0 - 0 - ns 7
Column address hold time t
CAH
8 - 10 - ns
RAS to CAS delay time t
RCD
12 37 14 45 ns 8
RAS to column address delay time t
RAD
10 25 12 30 ns 9
Column address to RAS lead time t
RAL
25 - 30 - ns
RAS hold time t
RSH
8 - 10 - ns
CAS hold time t
CSH
38 - 40 - ns
CAS to RAS precharge time t
CRP
5 - 5 - ns 10
OE to Din delay time t
OED
12 - 15 - ns
Transition time (rise and fall) t
T
1 50 1 50 ns 11
Refresh period t
REF
- 32 - 32 ms
Refresh period (S- Version) t
REF
- 128 - 128 ms
CAS to output in Low- Z t
CLZ
0 - 0 - ns
CAS delay time from Din t
DZC
0 - 0 - ns
OE delay time from Din t
DZO
0 - 0 - ns
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