HYS64T128020GU-37-A INFINEON [Infineon Technologies AG], HYS64T128020GU-37-A Datasheet - Page 29

• Manufacturer Part Number: HYS64T128020GU-37-A
• Description: 240-Pin Unbuffered DDR2 SDRAM Modules
• Manufacturer: INFINEON [Infineon Technologies AG]

Table 21
Symbol Parameter
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
1) For details and notes see the relevant INFINEON component datasheet
2) CL = 3
3) CL = 4 & 5
4) Timing definition and values for
5)
6) 85 °C <
Data Sheet
REFI
RFC
RP
RPRE
RPST
RRD
RTP
QH
QHS
WPRE
WPST
WR
WTR
XARD
XARDS
XP
XSNR
XSRD
code for these parameters
0 °C ≤
Average Periodic Refresh
Interval
Auto-refresh to Active/Auto-refresh command
period
Precharge command period
Read preamble
Read postamble
Active bank A to Active bank B
command
Internal read to precharge command delay
Data Output hold time from DQS
Data hold skew factor
Write preamble
Write postamble
Write recovery time
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
(slew exit, lower power)
Exit precharge power-down to any valid
command (other than NOP or Deselect)
Exit Self-Refresh to non-read command
Exit Self-Refresh to read command
T
T
CASE
CASE
AC Timing - Absolute Specifications –5 / –3.7
≤ 85 °C
≤ 95 °C
HYS[64T[3200/6400/12802]0/72T[6400/12802]0][G/H]U–[3.7/5]–A
t
IS
,
t
IH
,
t
DS
and
0
85
x8
(1k page size)
x16
(2k page size)
ο
C - 85
ο
t
C - 95
DH
may change due to actual JEDEC work. This may also effect the SPD
ο
C
ο
C
29
–5
DDR2–400
min.
-
-
105
15
0.9
0.40
7.5
10
7.5
t
-
0.25
0.40
15
10
2
6 - AL
2
t
200
HP
RFC
- t
+ 10 -
QHS
max.
7.8
3.9
-
-
1.1
0.60
-
-
-
-
450
-
0.60
-
-
-
-
-
-
Electrical Characteristics & AC Timings
–3.7
DDR2–533
min.
-
-
105
15
0.9
0.40
7.5
10
7.5
t
-
0.25
0.40
15
7.5
2
6 - AL
2
t
10
200
HP
RFC
-t
512 Mbit DDR2 SDRAM
QHS
+
max.
7.8
3.9
-
-
1.1
0.60
-
-
-
-
400
-
0.60
-
-
-
-
-
-
-
09122003-GZEK-H4J6
Rev. 0.87, 2004-06
Unit Notes
µs
ns
ns
t
t
ns
ns
ns
ps
t
t
ns
ns
t
t
t
ns
t
CK
CK
CK
CK
CK
CK
CK
CK
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)5)
1)6)