hyb18t512160bf-5 Infineon Technologies Corporation, hyb18t512160bf-5 Datasheet - Page 29

• Manufacturer Part Number: hyb18t512160bf-5
• Description: 240-pin Unbuffered Ddr2 Sdram Modules
• Manufacturer: Infineon Technologies Corporation

3.3.2
Table 21
Parameter
DQ output access time from CK / CK
CAS A to CAS B command period
CK, CK high-level width
CKE minimum high and low pulse width
CK, CK low-level width
Auto-Precharge write recovery + precharge time
Minimum time clocks remain ON after CKE
asynchronously drops LOW
DQ and DM input hold time (differential data strobe)
DQ and DM input pulse width (each input)
DQS output access time from CK / CK
DQS input low (high) pulse width (write cycle)
DQS-DQ skew (for DQS & associated DQ signals)
Write command to 1st DQS latching transition
DQ and DM input setup time (differential 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
Precharge-All (4 banks) command period
Read preamble
Read postamble
Active bank A to Active bank B command period
Data Sheet
AC Timing Parameters
Timing Parameter by Speed Grade - DDR2-800
29
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
t
t
t
t
t
t
t
t
t
AC
CCD
CH
CKE
CL
DAL
DELAY
DH
DIPW
DQSCK
DQSL,H
DQSQ
DQSS
DS
DSH
DSS
HP
HZ
IH
IPW
IS
LZ(DQ)
LZ(DQS)
MRD
OIT
QH
QHS
REFI
RFC
RP
RPRE
RPST
RRD
(base)
(base)
(base)
(base)
HYS[64/72]T[16/32/64]0xxHU-[2.5/.../5]-A
Unbuffered DDR2 SDRAM Modules
DDR2-800
Min.
–400
2
0.45
3
0.45
WR +
t
—
0.35
–350
0.35
—
– 0.25
—
0.2
0.2
MIN. (
—
—
0.6
—
2
t
2
0
t
—
—
—
75
t
0.9
0.40
7.5
10
IS
AC.MIN
HP
RP
x
+
–
t
+ 1
AC.MIN
t
t
CK
QHS
t
t
t
CL,
RP
CK
+
t
t
CH
IH
)
Electrical Characteristics
Max.
+400
—
0.55
—
0.55
—
––
––
—
+350
—
—
+ 0.25
—
—
—
t
—
—
—
t
t
—
12
—
400
7.8
3.9
—
—
1.1
0.60
—
—
AC.MAX
AC.MAX
AC.MAX
02182004-DHQB-4RRW
Rev. 1.3, 2005-09
Unit
ps
t
t
t
t
t
ns
ps
t
ps
t
ps
t
ps
t
t
ps
ps
t
ps
ps
ps
t
ns
ps
µs
µs
ns
ns
t
t
ns
ns
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
Note
1)2)3)4)5)6)
7)
8)
9)
10)
11)