Unless
otherwise noted Vcc=+3.3±0.3V, ambient temperature Tmin < Ta < Tmax. Typical values are at Vcc = 3.3,
ambient temperature Ta = +25ºC
DRIVER SWITCHING CHaRaCTERISTICS
SP3076E, SP3077E & SP3078E Receiver Driver Characteristics
DRIVER CHARACTERISTICS:
Data Signaling Rate
Driver Propagation Delay (t
PHL
, t
PLH
)
Driver Output Rise/Fall Time (t
R
, t
F
)
Driver Differential Skew (t
PLH
– t
PHL
)
Driver Enable to Output High (t
ZH
)
Driver Enable to Output Low (t
ZL
)
Driver Disable from Output High (t
HZ
)
Driver Disable from Output Low (t
LZ
)
Driver Enable from Shutdown to Output
High (t
ZH(SHDN)
)
Driver Enable from Shutdown to Output
Low (t
ZL(SHDN)
)
Time to Shutdown (t
SHDN
)
Figure 4
Figure 5
50
R
L
= 500Ω, C
L
= 50pF,
Figure 4 & 5
Conditions
Duty Cycle 40 to 60%
R
L
= 54Ω, C
L
= 50pF,
Figure 2 & 4
Min. Typ. Max.
Unit
16
50
15
8
150
150
100
100
1800
1800
200
600
Mbps
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unless
otherwise noted Vcc=+3.3±0.3V, ambient temperature Tmin < Ta < Tmax. Typical values are at Vcc = 3.3,
ambient temperature Ta = +25ºC
RECEIVER SWITCHING CHaRaCTERISTICS
SP3076E, SP3077E & SP3078E Receiver Switching Characteristics
RECEIVER CHARACTERISTICS:
Data Signaling Rate
Receiver Propagation Delay (t
PLH
, t
PHL
)
Propagation Delay Skew (t
PLH
, t
PHL
)
Receiver Enable to Output High (t
ZH
)
Receiver Enable to Output Low (t
ZL
)
Receiver Disable from Output High (t
HZ
)
Receiver Disable from Output Low (t
LZ
)
Conditions
Duty Cycle 40 to 60%
C
l
=15pF,
Figure 6 & 7,
-40 to +85 ºC
Figure 8
Figure 8
Figure 8
Figure 8
Min. Typ. Max.
Unit
16
40
75
8
60
60
50
50
1800
1800
50
200
600
Mbps
ns
ns
ns
ns
ns
ns
ns
ns
ns
Receiver Enable from Shutdown to Output
Figure 8
High
Receiver Enable from Shutdown to Output
Figure 8
Low
Time to Shutdown (t
SHDN
)
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com
SP3070E-SP3078E_100_061109
7
EXAR [ EXAR CORPORATION ]
