HYM72V4010GS 查看數據表（PDF） - Siemens AG
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HYM72V4010GS Datasheet PDF : 11 Pages
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HYM72V4000/10GS-50/-60
4M x 72-ECC Module
AC Characteristics (contd’ ) (note: 5,6,7,8)
TA = 0 to 70 °C,VCC = 3.3 ± 0.3 V
Parameter
Symbol
-50
min. max.
Output buffer turn-off delay from OE tOEZ
CAS delay time from Din
tDZC
Data to OE low delay
tDZO
CAS high to data delay
tCDD
OE high to data delay
tODD
–
18
0
–
0
–
18 –
18 –
-60
min. max.
–
20
0
–
0
–
20 –
20 –
Unit Note
ns 9,17
ns 18
ns 18
ns 9,19
ns 9,19
Write Cycle
Write command hold time
Write command pulse width
Write command setup time
Write command to RAS lead time
Write command to CAS lead time
Data setup time
Data hold time
tWCH
tWP
tWCS
tRWL
tCWL
tDS
tDH
13 –
8
–
2
–
18 –
13 –
-2
–
15 –
15 –
10 –
2
–
20 –
15 –
-2
–
15 –
ns 9
ns
ns 11,20
ns 9
ns
ns 10,21
ns 9,21
Read-Modify-Write Cycle
Read-write cycle time
tRWC
131 –
RAS to WE delay time
tRWD
70 –
CAS to WE delay time
tCWD
33 –
Column address to WE delay time
tAWD
45 –
OE command hold time
tOEH
11 –
155 –
82 –
37 –
52 –
13 –
ns 9
ns 11,21
ns 11,21
ns 11,21
ns 10
Fast Page Mode Cycle
Fast page mode cycle time
CAS precharge time
Access time from CAS precharge
RAS pulse width
CAS precharge to RAS Delay
tPC
35
tCP
10
tCPA
–
tRAS
50
tRHCP
35
–
40
–
10
35 –
200k 60
–
40
–
ns
–
ns
40
ns 9,13
200k ns
–
ns 9
Semiconductor Group
8
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