DS90C363, DS90CF364
SNLS123C –SEPTEMBER 1999–REVISED APRIL 2013
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Transmitter Switching Characteristics
Over recommended operating supply and −40°C to +85°C ranges unless otherwise specified
Symbol Parameter Min Typ Max Unit
LLHT LVDS Low-to-High Transition Time (Figure 6 )0.75 1.5 ns
LHLT LVDS High-to-Low Transition Time (Figure 6 )0.75 1.5 ns
TCIT TxCLK IN Transition Time (Figure 8 )5 ns
TCCS TxOUT Channel-to-Channel Skew (Figure 9 )250 ps
TPPos0 Transmitter Output Pulse Position for Bit 0 (Figure 20 )f = 65 MHz −0.4 0 0.3 ns
TPPos1 Transmitter Output Pulse Position for Bit 1 1.8 2.2 2.5 ns
TPPos2 Transmitter Output Pulse Position for Bit 2 4.0 4.4 4.7 ns
TPPos3 Transmitter Output Pulse Position for Bit 3 6.2 6.6 6.9 ns
TPPos4 Transmitter Output Pulse Position for Bit 4 8.4 8.8 9.1 ns
TPPos5 Transmitter Output Pulse Position for Bit 5 10.6 11.0 11.3 ns
TPPos6 Transmitter Output Pulse Position for Bit 6 12.8 13.2 13.5 ns
TCIP TxCLK IN Period (Figure 10)15 T 50 ns
TCIH TxCLK IN High Time (Figure 10)0.35T 0.5T 0.65T ns
TCIL TxCLK IN Low Time (Figure 10)0.35T 0.5T 0.65T ns
TSTC TxIN Setup to TxCLK IN (Figure 10 )f = 65 MHz 2.5 ns
THTC TxIN Hold to TxCLK IN (Figure 10 )0 ns
TCCD TxCLK IN to TxCLK OUT Delay at 25°C, VCC = 3.3V (Figure 12 )3.0 3.7 5.5 ns
TPLLS Transmitter Phase Lock Loop Set (Figure 14 )10 ms
TPDD Transmitter Power Down Delay (Figure 18 )100 ns
Receiver Switching Characteristics
Over recommended operating supply and −40°C to +85°C ranges unless otherwise specified
Symbol Parameter Min Typ Max Unit
CLHT CMOS/TTL Low-to-High Transition Time (Figure 7 )2.2 5.0 ns
CHLT CMOS/TTL High-to-Low Transition Time (Figure 7 )2.2 5.0 ns
RSPos0 Receiver Input Strobe Position for Bit 0 (Figure 21 )f = 65 MHz 0.7 1.1 1.4 ns
RSPos1 Receiver Input Strobe Position for Bit 1 2.9 3.3 3.6 ns
RSPos2 Receiver Input Strobe Position for Bit 2 5.1 5.5 5.8 ns
RSPos3 Receiver Input Strobe Position for Bit 3 7.3 7.7 8.0 ns
RSPos4 Receiver Input Strobe Position for Bit 4 9.5 9.9 10.2 ns
RSPos5 Receiver Input Strobe Position for Bit 5 11.7 12.1 12.4 ns
RSPos6 Receiver Input Strobe Position for Bit 6 13.9 14.3 14.6 ns
RSKM RxIN Skew Margin (1) (Figure 22 )f = 65 MHz 400 ps
RCOP RxCLK OUT Period (Figure 11)15 T 50 ns
RCOH RxCLK OUT High Time (Figure 11 )f = 65 MHz 7.3 8.6 ns
RCOL RxCLK OUT Low Time (Figure 11)f = 65 MHz 3.45 4.9 ns
RSRC RxOUT Setup to RxCLK OUT (Figure 11 )f = 65 MHz 2.5 6.9 ns
RHRC RxOUT Hold to RxCLK OUT (Figure 11 )f = 65 MHz 2.5 5.7 ns
RCCD RxCLK IN to RxCLK OUT Delay at 25°C, VCC = 3.3V (Figure 13 )5.0 7.1 9.0 ns
RPLLS Receiver Phase Lock Loop Set (Figure 15 )10 ms
RPDD Receiver Power Down Delay (Figure 19 )1 µs
(1) Receiver Skew Margin is defined as the valid data sampling region at the receiver inputs. This margin takes into account the transmitter
pulse positions (min and max) and the receiver input setup and hold time (internal data sampling window - RSPos). This margin allows
for LVDS interconnect skew, inter-symbol interference (both dependent on type/length of cable), and clock jitter (less than 250 ps).
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