EM68B16DVAA
EtronTech
Table 16. Recommended A.C. Operating Conditions
(VDD=1.7V~1.95V, TA =-25~85°C)
Parameter
Input High Voltage (AC)
Symbol
VIH (AC)
VIL (AC)
VIX (AC)
Min.
Max.
Unit Note
0.8 x VDDQ
VDDQ+0.3
0.2 x VDDQ
0.6 x VDDQ
V
V
V
1
1
2
Input Low Voltage (AC)
Input Crossing Point Voltage, CK and
Note:
-0.3
inputs
CK
0.4 x VDDQ
1. These parameters should be tested at the pin on actual components and may be checked at either the pin or
the pad in simulation.
2. The value of VIX is expected to equal 0.5 x VDDQ of the transmitting device and must track variation in the DC
level of the same.
Table 17. LVCMOS Interface
Reference Level of Output Signals
Output Load
0.5 x VDDQ
Reference to the Test Load
0.8 x VDDQ / 0.2 x VDDQ
1 V/ns
Input Signal Levels (VIH/ VIL)
Input Signals Slew Rate
Reference Level of Input Signals
0.5 x VDDQ
Figure 4. LVCMOS A.C. Test Load
0.5 x VDDQ
50Ω
Output
Z0=50Ω
20pF
Etron Confidential
17
Rev. 1.0
Mar. 2009
ETRON [ ETRON TECHNOLOGY, INC. ]
