參數(shù)資料
型號(hào): HM5212805DLTD-10
元件分類: DRAM
英文描述: 16M X 8 SYNCHRONOUS DRAM, 8 ns, PDSO54
封裝: 0.400 INCH, PLASTIC, TSOP2-54
文件頁(yè)數(shù): 43/53頁(yè)
文件大?。?/td> 552K
代理商: HM5212805DLTD-10
HM5212165D Series, HM5212805D Series
48
Auto Refresh Cycle
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CLK
CKE
CS
CAS
WE
BS
Address
DQM,
DQMU/DQML
DQ (input)
DQ (output)
High-Z
RP
Precharge
If needed
Auto Refresh
Active
Bank 0
t
RC
t
RC
t
Auto Refresh
Read
Bank 0
R:a
C:a
A10=1
RAS
a
a+1
VIH
Refresh cycle and
Read cycle
RAS-CAS delay = 2
CAS latency = 2
Burst length = 4
= V
or V
IH
IL
Self Refresh Cycle
CLK
CKE
CS
RAS
CAS
WE
BS
Address
DQM,
DQMU/DQML
DQ (input)
DQ (output)
Precharge
command
If needed
Self refresh entry
command
Auto
refresh
Self refresh exit
ignore command
or No operation
CKE Low
A10=1
RC
t
RP
t
Self refresh cycle
RAS-CAS delay = 2
CAS latency = 2
Burst length = 4
= V
or V
IH
IL
High-Z
Next
clock
enable
RC
t
Next
clock
enable
l SREX
Self refresh entry
command
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