hys64t256022hdl-5-a Infineon Technologies Corporation, hys64t256022hdl-5-a Datasheet - Page 18

• Manufacturer Part Number: hys64t256022hdl-5-a
• Description: 200-pin So-dimm Ddr2 Sdram Modules
• Manufacturer: Infineon Technologies Corporation

3.3.2
Table 12
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 hold time (single
ended 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)
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)
Four Activate Window period
Clock half period
Data-out high-impedance time from
CK / CK
Address and control input hold time
Data Sheet
AC Timing Parameters
Timing Parameter by Speed Grade - DDR2-400 & DDR2-533
Symbol
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
DH1
DIPW
DQSCK
DQSL,H
DQSQ
DQSS
DS
DS1
DSH
DSS
FAW
HP
HZ
IH
(base)
(base)
(base)
(base) –25
(base) –25
DDR2–533
Min.
–500
2
0.45
3
0.45
WR +
t
225
0.35
–450
0.35
—
WL – 0.25
100
0.2
0.2
37.5
50
MIN. (
—
375
IS
+
t
CK
t
t
18
CL,
RP
+
t
t
IH
CH
)
Max.
+500
—
0.55
—
0.55
—
––
––
—
—
—
300
WL + 0.25 WL – 0.25
—
—
—
—
—
—
t
—
AC.MAX
450
Small Outline DDR2 SDRAM Modules
Electrical CharacteristicsAC Characteristics
DDR2–400
Min.
–600
2
0.45
3
0.45
WR +
t
t
275
25
0.35
–500
0.35
—
150
25
0.2
0.2
37.5
50
MIN. (
—
475
HYS64T256022HDL–[3.7/5]–A
IS
IH
+
t
CK
t
t
CL,
RP
+
t
CH
)
Max.
—
0.55
—
0.55
—
—
––
—
—
—
350
WL + 0.25
—
—
—
—
—
—
t
—
AC.MAX
09092004-D30U-XRMR
600
500
Rev. 1.2, 2005-08
Unit Note
ps
t
t
t
t
t
ns
ps
ps
t
ps
t
ps
t
ps
ps
t
t
ns
ns
ps
ps
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
1)2)3)4)
5)6)7)
8)9)
10)