hyb18t512160b2fl-5 Qimonda, hyb18t512160b2fl-5 Datasheet - Page 48

• Manufacturer Part Number: hyb18t512160b2fl-5
• Description: 512-mbit Double-data-rate-two Sdram
• Manufacturer: Qimonda

1)
2) Timing that is not specified is illegal and after such an event, in order to guarantee proper operation, the DRAM must be powered down
Rev. 1.40, 2008-03
10062006-YPTZ-CDR7
Parameter
DQ low-impedance time from CK /
CK
DQS/DQS low-impedance time from
CK / CK
MRS command to ODT update
delay
Mode register set command cycle
time
OCD drive mode output delay
Data output hold time from DQS
Data hold skew factor
Average periodic refresh Interval
Average periodic refresh Interval
Auto-Refresh to Active/Auto-
Refresh command period
Read preamble
Read postamble
Active bank A to Active bank B
command period for 1 KB page size
Active bank A to Active bank B
command period for 2 KB page size
Internal Read to Precharge
command delay
Write preamble
Write postamble
Write recovery time
Internal Write to Read command
delay
Exit active power down to read
command
Exit active power down to read
command (slow exit, lower power)
Exit precharge power down to any
non-read command
Exit Self-Refresh to non-read
command
Exit Self-Refresh to Read command
Write recovery time for write with
Auto-Precharge
V
and then restarted through the specified initialization sequence before normal operation can continue.
DDQ
= 1.8 V ± 0.1V;
V
DD
= 1.8 V ± 0.1 V.
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
WR
LZ.DQ
LZ.DQS
MOD
MRD
OIT
QH
QHS
REFI
REFI
RFC
RPRE
RPST
RRD
RRD
RTP
WPRE
WPST
WR
WTR
XARD
XARDS
XP
XSNR
XSRD
DDR2–533
2 ×
t
0
2
0
t
—
—
—
105
0.9
0.40
7.5
7.5
0.35
0.40
15
7.5
2
6 – AL
2
t
200
t
Min.
10
AC.MIN
HP
RFC
WR
–
/
t
t
AC.MIN
t
+10
CK
QHS
48
Max.
t
t
12
—
12
—
400
7.8
3.9
—
1.1
0.60
—
—
—
—
0.60
—
—
—
—
—
—
—
AC.MAX
AC.MAX
DDR2–400
2 ×
t
0
2
0
t
—
—
105
0.9
0.40
7.5
10
7.5
0.35
0.40
15
10
2
6 – AL
2
t
200
t
512-Mbit Double-Data-Rate-Two SDRAM
Min.
AC.MIN
HP
—
RFC
WR
–
/
t
t
AC.MIN
t
+10
CK
QHS
HY[B/I]18T512[40/80/16]0B2[C/F](L)
Max.
t
t
12
—
12
—
450
7.8
3.9
—
1.1
0.60
—
—
—
—
0.60
—
—
—
—
—
—
—
AC.MAX
AC.MAX
Internet Data Sheet
Unit
ps
ps
ns
t
ns
ps
ps
μs
μs
ns
t
t
ns
ns
ns
t
t
ns
ns
t
t
t
ns
t
t
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
Notes
3)4)5)6)
13)
13)
13)14)
15)17)
16)
13)
13)
13)17)
15)21)
18)
19)
20)
20)
21)
1)2)