hys64t64020em-2.5-b2 Qimonda, hys64t64020em-2.5-b2 Datasheet - Page 19

• Manufacturer Part Number: hys64t64020em-2.5-b2
• Description: 214-pin Unbuffered Ddr2 Sdram Microdimm Modules Mdimm Sdram
• Manufacturer: Qimonda

Rev. 1.10, 2008-03
09032007-YO3V-5RUJ
Parameter
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 hold time (single
ended data strobe)
DQ and DM input pulse width (each
input)
DQS input HIGH pulse width (write
cycle)
DQS input LOW 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)
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
DRAM Component Timing Parameter by Speed Grade - DDR2–533 and DDR2–400
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CCD
CH
CKE
CL
DAL
DELAY
DH.BASE
DH1.BASE
DIPW
DQSH
DQSL
DQSQ
DQSS
DS.BASE
DS1.BASE
DSH
DSS
HP
HZ
IH.BASE
IPW
IS.BASE
DDR2–533
2
0.45
3
0.45
WR +
t
225
–25
0.35
0.35
0.35
—
– 0.25
100
–25
0.2
0.2
MIN. (
—
375
0.6
250
Min.
IS
+
t
CK
t
t
CL,
RP
+
t
t
IH
CH
19
)
Max.
—
0.55
—
0.55
—
––
––
—
—
—
—
300
+ 0.25
—
—
—
—
t
—
—
—
AC.MAX
Unbuffered DDR2 SDRAM MicroDIMM Modules
DDR2–400
2
0.45
3
0.45
WR +
t
275
25
0.35
0.35
0.35
—
– 0.25
150
25
0.2
0.2
MIN. (
—
475
0.6
350
Min.
IS
+
HYS64T64020EM–[2.5/3/3S/3.7/5]–B2
t
CK
t
t
CL,
RP
+
t
t
CH
IH
)
Max.
—
0.55
—
0.55
—
––
––
—
—
—
—
350
+ 0.25
—
—
—
—
t
—
—
—
AC.MAX
Internet Data Sheet
Unit
t
t
t
t
t
ns
ps
ps
t
t
t
ps
t
ps
ps
t
t
ps
ps
t
ps
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
TABLE 15
Notes
3)4)5)6)
7)
8)
9)
10)
10)
10)
10)
11)
12)
10)
10)
1)2)