Internet Data Sheet
HYB25D512[400/160/800]C[E/T/F/C](L)
512-Mbit Double-Data-Rate SDRAM
TABLE 18
Electrical Characteristics and DC Operating Conditions
Parameter
Symbol
Values
Unit Note/Test Condition1)
Min.
Typ.
Max.
Device Supply Voltage
Device Supply Voltage
Output Supply Voltage
Output Supply Voltage
VDD
2.3
2.5
2.3
2.5
0
2.5
2.6
2.5
2.6
—
2.7
2.7
2.7
2.7
0
V
V
V
V
V
fCK ≤ 166 MHz
VDD
fCK > 166 MHz 2)
fCK ≤ 166 MHz 3)
fCK > 166 MHz 2)3)
VDDQ
VDDQ
Supply Voltage, I/O Supply
Voltage
VSS,
VSSQ
VREF
VTT
4)
5)
Input Reference Voltage
0.49 × VDDQ 0.5 × VDDQ 0.51 × VDDQ
V
V
I/O Termination Voltage
(System)
VREF – 0.04
—
VREF + 0.04
6)
6)
6)
Input High (Logic1) Voltage
Input Low (Logic0) Voltage
VIH(DC)
VIL(DC)
VREF + 0.15
–0.3
—
—
—
VDDQ + 0.3
VREF – 0.15
VDDQ + 0.3
V
V
V
Input Voltage Level, CK and VIN(DC)
CK Inputs
–0.3
6)7)
8)
Input Differential Voltage, CK VID(DC)
and CK Inputs
0.36
0.71
–2
—
—
—
VDDQ + 0.6
V
VI-Matching Pull-up Current VIRatio
to Pull-down Current
1.4
2
—
µA
Input Leakage Current
II
Any input 0 V ≤ VIN ≤ VDD; All
other pins not under test = 0 V
6)9)
Output Leakage Current
IOZ
–5
—
—
—
5
µA
DQs are disabled; 0 V ≤ VOUT
VDDQ
≤
6)
6)
Output High Current, Normal IOH
Strength Driver
—
–16.2
—
mA VOUT =
1.95 V
Output Low Current, Normal IOL
Strength Driver
16.2
mA VOUT = 0.35 V 6)
1) 0 °C ≤ TA ≤ 70 °C
2) DDR400 conditions apply for all clock frequencies above 166 MHz
3) Under all conditions, VDDQ must be less than or equal to VDD
4) Peak to peak AC noise on VREF may not exceed ± 2% VREF (DC). VREF is also expected to track noise variations in VDDQ
5) VTT is not applied directly to the device. VTT is a system supply for signal termination resistors, is expected to be set equal to VREF, and
must track variations in the DC level of VREF
.
.
.
6) Inputs are not recognized as valid until VREF stabilizes.
7) VID is the magnitude of the difference between the input level on CK and the input level on CK.
8) The ration of the pull-up current to the pull-down current is specified for the same temperature and voltage, over the entire temperature
and voltage range, for device drain to source voltage from 0.25 to 1.0 V. For a given output, it represents the maximum difference between
pull-up and pull-down drivers due to process variation.
9) Values are shown per component
Rev. 1.31, 2006-09
25
03292006-3TFJ-HNV3
QIMONDA [ QIMONDA AG ]
