SP3080E Datasheet, PDF (6/25 Pages) Sipex Corporation – Advanced-Failsafe RS-485/RS-422 Transceiver 1/8th Unit Load, Slew-Limited, ±15kV ESD-Protected

TIMING CHARACTERISTICS
Unless otherwise noted Vcc= +5.0±0.5V, ambient temperature T_A from -40 to +85ºC
SP3080E, SP3081E, SP3082E
DRIVER CHARACTERISTICS:
Data Signaling Rate (1 / tUI)
Driver Propagation Delay (tPHL, tPLH)
Driver Output Rise/Fall Time (tR, tF)
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 (tDZV)
SP3083E, SP3084E, SP3085E
DRIVER CHARACTERISTICS:
Data Signaling Rate (1/ tUI)
Driver Propagation Delay (tPHL, tPLH)
Driver Output Rise/Fall Time (tR, tF)
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 (tDZV)
Conditions
Min. Typ. Max. Unit
Duty Cycle 40 to 60%
RL = 54Ω, CL = 50pF,
SP3080E, SP3081E
115
Kbps
500
2600 ns
667 1200 2500 ns
±200 ns
3500 ns
3500 ns
100 ns
100 ns
6000 ns
Conditions
Min. Typ. Max. Unit
Duty Cycle 40 to 60%
RL = 54Ω, CL = 50pF,
SP3083E, SP3084E
500
Kbps
250
1000 ns
200 530 750 ns
±100 ns
2500 ns
2500 ns
100 ns
100 ns
4500 ns
SP3086E, SP3087E, SP3088E
DRIVER CHARACTERISTICS:
Data Signaling Rate (1 / tUI)
Driver Propagation Delay (tPHL, tPLH)
Driver Output Rise/Fall Time (tR, tF)
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)
Conditions
Min. Typ. Max. Unit
Duty Cycle 40 to 60%
RL = 54Ω, CL = 50pF,
SP3086E, SP3087E
20
Mbps
12 20 ns
6 10 ns
±5 ns
150 ns
150 ns
50 ns
50 ns
250 ns
Receiver CHARACTERISTICS:
Conditions
Receiver Prop. Delay SP3080E - SP3085E CL = 15pF, VID = ±2V,
Receiver Prop. Delay SP3086E - SP3088E
Prop. Delay Skew SP3080E-SP3085E
Prop. Delay Skew SP3086E-SP3088E
Receiver Output Rise/Fall Time
CL = 15pf
Receiver Enable to Output High (tZH)
Receiver Enable to Output Low (tZL)
Min. Typ. Max. Unit
75 200 ns
75 ns
±30 ns
±5 ns
15 ns
50 ns
50 ns
Receiver Disable from High (tHZ)
50 ns
Receiver Disable from Low (tLZ)
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
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SP3080E-SP3088E_100_062309