1HY5DU561622FTP-5
HY5DU561622FTP-4
AC OPERATING CONDITIONS (TA=0 to 70oC, Voltage referenced to VSS = 0V)
Parameter
Symbol
Min
Max
Unit
Note
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
VIH(AC)
VIL(AC)
VID(AC)
VIX(AC)
VREF + 0.35
V
V
V
V
VREF - 0.35
VDDQ + 0.6
0.7
1
2
Input Crossing Point Voltage, CK and /CK inputs
0.5*VDDQ-0.2
0.5*VDDQ+0.2
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*VDDQ of the transmitting device and must track variations in the DC level of the same.
AC OPERATING TEST CONDITIONS (TA=0 to 70oC, Voltage referenced to VSS = 0V)
Parameter
Value
Unit
Reference Voltage
VDDQ x 0.5
V
V
Termination Voltage
VDDQ x 0.5
AC Input High Level Voltage (VIH, min)
AC Input Low Level Voltage (VIL, max)
Input Timing Measurement Reference Level Voltage
Output Timing Measurement Reference Level Voltage
Input Signal maximum peak swing
VREF + 0.35
V
VREF - 0.35
V
VREF
VTT
1.5
1
V
V
V
Input minimum Signal Slew Rate
V/ns
Ω
Termination Resistor (RT)
50
Series Resistor (RS)
25
Ω
Output Load Capacitance for Access Time Measurement (CL)
30
pF
Rev. 1.1 / Mar. 2008
23
HYNIX [ HYNIX SEMICONDUCTOR ]
