HYMD264646C8-M Datasheet, PDF (4/16 Pages) Hynix Semiconductor – Unbuffered DDR SDRAM DIMM

ABSOLUTE MAXIMUM RATINGS
HYMD264646C(L)8-M/K/H/L
Parameter
Ambient Temperature
Storage Temperature
Voltage on Any Pin relative to VSS
Voltage on VDD relative to VSS
Voltage on VDDQ relative to VSS
Output Short Circuit Current
Power Dissipation
Soldering Temperature ⋅ Time
Symbol
TA
TSTG
VIN, VOUT
VDD
VDDQ
IOS
PD
TSOLDER
Rating
0 ~ 70
-55 ~ 125
-0.5 ~ 3.6
-0.5 ~ 3.6
-0.5 ~ 3.6
50
16
260 / 10
Note : Operation at above absolute maximum rating can adversely affect device reliability
DC OPERATING CONDITIONS (TA=0 to 70 ^oC, Voltage referenced to VSS= 0V)
Unit
o_C
o_C
V
V
V
mA
W
o_{C / Sec}
Parameter
Power Supply Voltage
Power Supply Voltage
Input High Voltage
Input Low Voltage
Termination Voltage
Reference Voltage
Symbol
VDD
VDDQ
VIH
VIL
VTT
VREF
Min
2.3
2.3
VREF + 0.15
-0.3
VREF - 0.04
0.49*VDDQ
Typ.
2.5
2.5
-
-
VREF
0.5*VDDQ
Max
2.7
2.7
VDDQ + 0.3
VREF - 0.15
VREF + 0.04
0.51*VDDQ
Unit
V
V
V
V
V
V
Note :
1. VDDQ must not exceed the level of VDD.
2. VIL (min) is acceptable -1.5V AC pulse width with < 5ns of duration.
3. The value of VREF is approximately equal to 0.5VDDQ.
Note
1
2
3
AC OPERATING CONDITIONS (TA=0 to 70 ^oC, Voltage referenced to VSS = 0V)
Parameter
Symbol
Min
Max
Unit
Note
Input High (Logic 1) Voltage, DQ, DQS and DM signals VIH(AC) VREF + 0.31
V
Input Low (Logic 0) Voltage, DQ, DQS and DM signals
VIL(AC)
VREF - 0.31
V
Input Differential Voltage, CK and /CK inputs
VID(AC)
0.7
VDDQ + 0.6
V
1
Input Crossing Point Voltage, CK and /CK inputs
VIX(AC) 0.5*VDDQ-0.2 0.5*VDDQ+0.2
V
2
Note :
1. VID is the magnitude of the difference between the input level on CK and the input on /CK.
2. The value of VIX is expected to equal 0.5*V DDQ of the transmitting device and must track variations in the DC level of the same.
Rev. 0.1 / Mar. 2003
4