ComLink™ Series
CY2DP814
Document #: 38-07060 Rev. *B
Page 4 of 9
Table 6. D.C. Electrical Characteristics: 3.3V–LVPECL Input
Parameter
Description
Condition
Min.
Typ.
Max.
Unit
I
VID I
Differential Input Voltage p-p
Guaranteed Logic High Level
400
2600
mV
VCM
Common-mode Voltage
1650
2250
mV
IIH
Input High Current
VDD = Max.
VIN = VDD
±10
±20
uA
IIL
Input Low Current
VDD = Max.
VIN = VSS
±10
±20
uA
II
Input High Current
VDD = Max., VIN = VDD(max.)
±20
uA
Table 7. D.C Electrical Characteristics: 3.3V–LVTTL/LVCMOS Input
Parameter
Description
Condition
Min.
Typ.
Max.
Unit
VIH
Input High Voltage
Guaranteed Logic High Level
2
V
VIL
Input Low Voltage
Guaranteed Logic Low Level
0.8
V
IIH
Input High Current
VDD = Max.
VIN = 2.7V
1uA
IIL
Input Low Current
VDD = Max.
VIN = 0.5V
–1uA
II
Input High Current
VDD = Max., VIN = VDD(max.)
20
uA
VIK
Clamp Diode Voltage
VDD = Min., IIN = –18 mA
–0.7
–1.2
V
VH
Input Hysteresis
80
mV
Table 8. D.C Electrical Characteristics: 3.3V–LVPECL Output
Parameter
Description
Condition
Min.
Typ.
Max. Unit
I
VOD I
Driver Differential Output Voltage p-p
VDD = Min., VIN = VIH or VIL
RL = 50 ohm
1000
3600
mV
I
VOC I
Driver common-mode p-p
VDD = Min., VIN = VIH or VIL
RL = 50 ohm
226
mV
Rise Time
Differential 20% to 80%
CL–10 pF RL and CL to
GND
RL = 50 ohm
300
800
pS
Fall Time
VOH
Output High Voltage
VDD = Min., VIN = VIH or VIL
IOH = –12 mA
2.1
3.0
V
VOL
Output Low Voltage
User-defined (see Figure 1)V
IOS
Short Circuit Current
VDD = Max., VOUT = GND
–125
–150
mA
Table 9. AC Switching Characteristics @ 3.3V VDD = 3.3V ±5%, Temperature = –40°C to +85°C
Parameter
Description
Conditions
Min.
Typ.
Max.
Unit
IN [+,-] to Q[A,B] Data & Clock Speed
tPLH
Propagation Delay–Low to High
VOD = 100 mV
3
4
5
nS
tPHL
Propagation Delay–High to Low
3
4
5
nS
tPD
Propagation Delay
3
4
5
ns
EN [1,2] to Q[A,B] Control Speed
tPE
Enable (EN) to functional operation
6
nS
Tpd
Functional operation to Disable
5
nS
tSK(0)
Output Skew: Skew between outputs of the same package (in phase)
0.2
nS
tSK(p)
Pulse Skew: Skew between opposite transitions of the same output
(tPHL–tPLH)
0.2
nS
tSK(t)
Package Skew: Skew between outputs of different packages at the
same power supply voltage, temperature and package type. Same
input signal level and output load.
VID = 100 mV
1
nS
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