hyb18t512161bf-33 Infineon Technologies Corporation, hyb18t512161bf-33 Datasheet - Page 81

• Manufacturer Part Number: hyb18t512161bf-33
• Description: 512-mbit X16 Gddr2 Dram
• Manufacturer: Infineon Technologies Corporation

Table 37
Parameter
DQ and DM input setup time (differential
data strobe)
DQ and DM input setup time (single ended
data strobe)
DQS falling edge hold time from CK (write
cycle)
DQS falling edge to CK setup time (write
cycle)
Clock half period
Data-out high-impedance time from CK / CK
Address and control input hold time
Address and control input pulse width
(each input)
Address and control input setup time
DQ low-impedance time from CK / CK
DQS low-impedance from CK / CK
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
Auto-Refresh to Active/Auto-Refresh
command period
Read preamble
Read postamble
Active bank A to Active bank B command
period
Internal Read to Precharge command delay
Write preamble
Write postamble
Write recovery time for write without Auto-
Precharge
Write recovery time for write with Auto-
Precharge
Internal Write to Read command delay
Exit power down to any valid command
(other than NOP or Deselect)
Exit active power-down mode to Read
command (slow exit, lower power)
Data Sheet
Timing Parameter by Speed Grade
Symbol –28
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
t
t
t
DS
DS1
DSH
DSS
HP
HZ
IH
IPW
IS
LZ(DQ)
LZ(DQS)
MRD
OIT
QH
QHS
REFI
RFC
RPRE
RPST
RRD
RTP
WPRE
WPST
WR
WTR
XARD
XARDS
Min.
—
10
81
400
400
0.2
0.2
MIN. (t
—
750
0.6
750
2
t
t
2
0
t
—
—
105
0.9
0.40
7.5
0.35 x t
0.40
15
t
7.5
2
7 – AL
AC.MIN
AC.MIN
HP
WR
–t
/t
CK
QHS
512-Mbit Double-Data-Rate-Two SDRAM
CL,
CK
t
CH
Max.
––
––
—
—
t
—
—
—
t
t
—
12
—
600
7.8
3.9
—
1.1
0.60
—
—
—
0.60
—
—
—
—
)
AC.MAX
AC.MAX
AC.MAX
HYB18T512161BF–22/25/28/33
—
10
–33
Min.
420
420
0.2
0.2
MIN. (t
—
800
0.6
800
2
t
t
2
0
t
—
—
105
0.9
0.40
7.5
0.35 x t
0.40
15
t
7.5
2
6 – AL
AC.MIN
AC.MIN
HP
WR
–t
/t
CK
QHS
CL,
CK
Electrical Characteristics
t
CH
Max.
––
––
—
—
t
—
—
—
t
t
—
12
—
600
7.8
3.9
—
1.1
0.60
—
—
—
0.60
—
—
—
—
)
AC.MAX
AC.MAX
AC.MAX
05102005-C5U8-7TLE
Rev. 1.1, 2005-08
Unit Notes
ps
ps
t
t
ps
ps
t
ps
ps
ps
t
ns
ps
ns
t
t
ns
ns
t
t
ns
t
ns
t
t
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
s
s
1)2)3)4)
5)6)
9)
9)
11)
12)
12)
12)
13)14)
13)15)
16)
12)
12)
14)17)
17)
18)
19)
20)
20)