TIMING CHARACTERISTICS
Unless otherwise noted Vcc= +5.0±0.5V, ambient temperature Ta from -40 to +85ºC
SP3080E, SP3081E, SP3082E
DRIVER CHARACTERISTICS:
Conditions
Min. Typ. Max. Unit
Data Signaling Rate (1 / tUI
Driver Propagation Delay (tPHL, tPLH
Driver Output Rise/Fall Time (t , t
Driver Differential Skew (tPLH – tPHL
Driver Enable to Output High (tDZH
Driver Enable to Output Low (tDZL
Driver Disable from Output High (tDHZ
)
Duty Cycle 40 to 60%
115
500
Kbps
2600 ns
)
RL
= 54Ω, C = 50pF,
L
R
F
)
667 1200 2500 ns
±200 ns
)
)
SP3080E, SP3081E
3500 ns
)
3500 ns
)
100 ns
Driver Disable from Output Low (tDLZ
)
100 ns
Shutdown to Driver Output Valid (tDZV
)
6000 ns
SP3083E, SP3084E, SP3085E
DRIVER CHARACTERISTICS:
Conditions
Min. Typ. Max. Unit
Data Signaling Rate (1/ tUI
Driver Propagation Delay (tPHL, tPLH
Driver Output Rise/Fall Time (t , t
Driver Differential Skew (tPLH – tPHL
Driver Enable to Output High (tDZH
Driver Enable to Output Low (tDZL
Driver Disable from Output High (tDHZ
)
Duty Cycle 40 to 60%
500
250
Kbps
ns
)
RL
= 54Ω, C
L
= 50pF,
1000 ns
R
F
)
200 530 750
)
±100 ns
)
SP3083E, SP3084E
2500 ns
2500 ns
)
)
100
100
ns
ns
Driver Disable from Output Low (tDLZ
)
Shutdown to Driver Output Valid (tDZV
)
4500 ns
SP3086E, SP3087E, SP3088E
DRIVER CHARACTERISTICS:
Conditions
Min. Typ. Max. Unit
Data Signaling Rate (1 / tUI
Driver Propagation Delay (tPHL, tPLH
Driver Output Rise/Fall Time (t , t
Driver Differential Skew (tPLH – tPHL
Driver Enable to Output High (tDZH
Driver Enable to Output Low (tDZL
Driver Disable from Output High (tDHZ
Driver Disable from Output Low (tDLZ
Shutdown to Driver Output Valid (tDZZV
)
Duty Cycle 40 to 60%
20
Mbps
ns
)
RL
= 54Ω, C
L
= 50pF,
12
20
10
±5
R
F
)
6
ns
)
ns
)
SP3086E, SP3087E
150 ns
150 ns
)
)
50
50
ns
ns
)
)
250 ns
Receiver CHARACTERISTICS:
Conditions
= 15pF, VID = ±2V,
Min. Typ. Max. Unit
Receiver Prop. Delay SP3080E - SP3085E
CL
75 200 ns
Receiver Prop. Delay SP3086E - SP3088E
Prop. Delay Skew SP3080E-SP3085E
Prop. Delay Skew SP3086E-SP3088E
Receiver Output Rise/Fall Time
75
ns
±30 ns
±5
15
50
ns
ns
ns
CL
= 15pf
Receiver Enable to Output High (tZH
Receiver Enable to Output Low (tZL
Receiver Disable from High (tHZ
Receiver Disable from Low (tLZ
)
)
50
50
ns
ns
)
)
50
ns
Shutdown to Receiver Output Valid (tROV
)
3500 ns
Time to Shutdown(Note 2,3,4)
50 200 600 ns
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com
SP3080E-SP3088E_100_062309
6
EXAR [ EXAR CORPORATION ]
