NT256D64S8HA0G-6 Nanya Technology, NT256D64S8HA0G-6 Datasheet - Page 7

• Manufacturer Part Number: NT256D64S8HA0G-6
• Description: 256MB DIMM
• Manufacturer: Nanya Technology

NT256D64S8HA0G-6
256MB : 32M x 64
PC2700 Unbuffered DIMM
AC Characteristics
(Notes 1-5 apply to the following Tables; Electrical Characteristics and DC Operating Conditions, AC Operating
Conditions, Operating, Standby, and Refresh Currents, and Electrical Characteristics and AC Timing.)
1. All voltages referenced to V
2. Tests for AC timing, I
3. Outputs measured with equivalent load. Refer to the AC Output Load Circuit below.
4. AC timing and I
5. The AC and DC input level specifications are as defined in the SSTL_2 Standard (i.e. the receiver effectively switches as a result of the
AC Output Load Circuits
AC Operating Conditions
( TA = 0 °C ~ 70 °C ; VDDQ = 2.5V ± 0.2V; VDD = 2.5V ± 0.2V, See AC Characteristics)
1. Input skew rate = 1V/ ns .
2. Inputs are not recognized as valid until V
3. V
4. The value of V
Preliminary,
Symbol
V
V
V
V
the related specifications and device operation are guaranteed for the full voltage range specified.
to the crossing point for CK, CK), and parameter specifications are guaranteed for the specified AC input levels under normal use
conditions. The minimum slew rate for the input signals is 1V/ns in the range between V
signal crossing the AC input level, and remains in that state as long as the signal does not ring back above (below) the DC input LOW
(HIGH) level.
IH(AC)
ID(AC)
IX(AC)
IL(AC)
ID
is the magnitude of the difference between the input level on CK and the input level on CK.
Input High (Logic 1) Voltage.
Input Low (Logic 0) Voltage.
Input Differential Voltage, CK and CK Inputs
Input Differential Pair Cross Point Voltage, CK and CK Inputs
IX
DD
is expected to equal 0.5* V
11/2001
tests may use a V
DD
Output
V
, and electrical, AC and DC characteristics, may be conducted at nominal reference/supply voltage levels, but
OUT
SS
.
Parameter/Condition
IL
to V
REF
IH
DDQ
stabilizes.
swing of up to 1.5V in the test environment, but input timing is still referenced to V
of the transmitting device and must track variations in the DC level of the same.
7
V
50 ohms
NANYA TECHNOLOGY CORP. reserves the right to change Products and Specifications without notice.
30 pF
TT
(0.5*V
V
REF
0.62
DDQ
Min
Timing Reference Point
-
+ 0.31
IL(AC)
) - 0.2
and V
(0.5*V
IH(AC)
V
V
REF
DDQ
DDQ
unless otherwise specified.
Max
-
? - 0.31
+ 0.6
) +? 0.2
© NANYA TECHNOLOGY CORP.
Unit
V
V
V
V
REF
1, 2, 3
1, 2, 4
(or
Notes
1, 2
1, 2