HYB25D256160CC-5 QIMONDA [Qimonda AG], HYB25D256160CC-5 Datasheet - Page 26

• Manufacturer Part Number: HYB25D256160CC-5
• Description: 256-Mbit Double-Data-Rate SDRAM
• Manufacturer: QIMONDA [Qimonda AG]

1)
2) Input slew rate = 1 V/ns.
3) Inputs are not recognized as valid until
4)
5) The value of
Rev. 2.3, 2007-03
03062006-8CCM-VPUW
Parameter
Input High (Logic 1) Voltage, DQ, DQS and DM Signals
Input Low (Logic 0) Voltage, DQ, DQS and DM Signals
Input Differential Voltage, CK and CK Inputs
Input Closing Point Voltage, CK and CK Inputs
Parameter
DQ output access time from
CK/CK
CK high-level width
Clock cycle time
CK low-level width
Auto precharge write recovery +
precharge time
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)
DQS-DQ skew (DQS and
associated DQ signals)
Write command to 1
latching transition
DQ and DM input setup time
V
V
DDQ
ID
is the magnitude of the difference between the input level on CK and the input level on CK.
= 2.5 V ± 0.2 V,
V
IX
is expected to equal 0.5 ×
st
V
DQS
DD
= +2.5 V ± 0.2 V (DDR200 - DDR333);
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
AC
CH
CK
CL
DAL
DH
DIPW
DQSCK
DQSL,H
DQSQ
DQSS
DS
V
REF
V
stabilizes.
DDQ
of the transmitting device and must track variations in the DC level of the same.
–5
DDR400B
Min.
–0.5
0.45
5
6
7.5
0.45
(
0.4
1.75
–0.6
0.35
—
0.72
0.4
t
WR
/
t
AC Timing - Absolute Specifications for PC3200 and PC2700
CK
)+(
t
RP
/
t
26
V
CK
DDQ
)
Symbol
V
V
V
V
Max.
+0.5
0.55
8
12
12
0.55
—
—
+0.6
—
+0.40
1.25
—
IH(AC)
IL(AC)
ID(AC)
IX(AC)
= 2.6 V ± 0.1 V,
–6
DDR333
Min.
–0.7
0.45
6
6
7.5
0.45
0.45
1.75
–0.6
0.35
—
0.75
0.45
Min.
V
—
0.7
0.5 ×
0.2
REF
HY[B/I]25D256[16/40/80]0C[E/C/F/T](L)
V
+ 0.31
V
DD
DDQ
= +2.6 V ± 0.1 V (DDR400); 0 °C ≤
256 Mbit Double-Data-Rate SDRAM
Values
–
Max.
—
V
V
0.5 ×
0.2
REF
DDQ
Max.
+0.7
0.55
12
12
12
0.55
—
—
+0.6
—
+0.40
1.25
—
AC Operating Conditions
– 0.31
+ 0.6
V
DDQ
+
Unit Note/ Test
ns
t
ns
ns
ns
t
t
ns
ns
ns
t
ns
t
ns
Internet Data Sheet
CK
CK
CK
CK
CK
Unit Note
V
V
V
V
TABLE 19
TABLE 20
Condition
2)3)4)5)
2)3)4)5)
CL = 3.0
CL = 2.5
CL = 2.0
2)3)4)5)
2)3)4)5)6)
2)3)4)5)
2)3)4)5)6)
2)3)4)5)
2)3)4)5)
TFBGA
2)3)4)5)
2)3)4)5)
Test
Condition
2)3)
2)3)
2)3)4)
2)3)5)
T
A
1)
2)3)4)5)
≤ 70 °C
/
3)4)5)
2)3)4)5)
2)3)4)5)
1)