HYS64T128020GU Infineon, HYS64T128020GU Datasheet - Page 28

• Manufacturer Part Number: HYS64T128020GU
• Description: 240-Pin Unbuffered DDR2 SDRAM Modules
• Manufacturer: Infineon

5
5.1
Table 21
Symbol Parameter
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
Data Sheet
AC
CCD
CH
CK
CKE
CL
DAL
DELAY
DH
DIPW
DQSCK
DQSL,H
DQSS
DQSQ
DS
DSH
DSS
HP
HZ
IH
IPW
IS
LZ(DQ)
LZ(DQS)
MRD
OIT
RAS
RC
RCD
DQ output access time from CK/CK
CAS A to CAS B Command Period
CK, CK high-level width
Clock cycle time
CKE minimum high and low pulse width
CK, CK low-level width
Auto precharge write recovery + precharge time WR+
Minimum time clocks remain ON after CKE
asynchronously drops low
DQ and DM input hold time
DQ and DM input pulse width (each input)
DQS output access time from CK/CK
DQS input low (high) pulse width (write cycle)
Write command to 1st DQS latching transition
DQS-DQ skew
(for DQS & associated DQ signals)
DQ and DM input setup time
DQS falling edge hold time from CLK
(write cycle)
DQS falling edge to CLK setup time
(write cycle)
Clock Half Period
Data-out high-impedance time from CK/CK
Address and control input hold time
Control and Addr. input pulse width (each input) 0.6
Address and control input setup time
DQ low-impedance from CK / CK
DQS low-impedance from CK / CK
Mode register set command cycle time
OCD drive mode output delay
Active to Precharge command
Active to Active/Auto-refresh command period
Active to Read or Write delay (with and without
Auto-Precharge) delay
Electrical Characteristics & AC Timings
AC Timing Parameter by Speed Grade (Component level data, for reference only)
AC Timing - Absolute Specifications –5 / –3.7
HYS[64T[3200/6400/12802]0/72T[6400/12802]0][G/H]U–[3.7/5]–A
28
–5
DDR2–400
min.
− 600
2
0.45
5000
5000
3
0.45
t
H
400
0.35
− 500
0.35
WL -
0.25
-
400
0.2
0.2
min. (t
-
600
600
2*
t
2
0
40
55
15
IS
ACmin
+
t
ACmin
t
CK
t
RP
+
CL,
t
I
t
CH)
max.
+ 600
-
0.55
8000
8000
-
0.55
-
-
-
-
+ 500
-
WL
+0.25
350
-
-
-
t
-
-
-
t
t
-
12
70000
-
-
Electrical Characteristics & AC Timings
ACmax
ACmax
ACmax
–3.7
DDR2–533
min.
-500
2
0.45
5000
3750
3
0.45
WR+
t
+
350
0.35
−450
0.35
WL
-0.25
-
350
0.2
0.2
min. (t
-
600
0.6
600
2*
t
2
0
45
60
15
IS
ACmin
t
IH
+
t
ACmin
512 Mbit DDR2 SDRAM
t
CK
t
RP
CL,
t
max.
+500
-
0.55
8000
8000
-
0.55
-
-
-
-
+450
-
WL
+0.25
300
-
-
-
t
-
-
-
t
t
-
12
70000
-
-
CH)
09122003-GZEK-H4J6
ACmax
ACmax
ACmax
Rev. 0.87, 2004-06
Unit Notes
ps
t
t
ps
ps
t
t
t
ns
ps
t
ps
t
t
ps
ps
t
t
ps
ps
t
ps
ps
ps
t
ns
ns
ns
ns
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
1)
1)
1)
1)2)
1)3)
1)
1)
1)
1)
1)4)
1)
1)
1)
1)
1)
1)4)
1)
1)
1)
1)
1)4)
1)
1)4)
1)
1)
1)
1)
1)
1)
1)