TLK2501 Datasheet, PDF (16/25 Pages) Texas Instruments – 1.5 TO 2.5 GBPS TRANSCEIVER

TLK2501
1.5 TO 2.5 GBPS TRANSCEIVER
SLLS427D − AUGUST 2000 − REVISED JULY 2003
TTL output switching characteristics over recommended operating conditions (unless otherwise
noted)
VOH
VOL
tr(slew)
tf(slew)
tsu
th
PARAMETER
High-level output voltage
Low-level output voltage
Slew rate (rising), magnitude of
RX_CLK, RX_ER, RX_DV/LOS, RXD
Slew rate (falling), magnitude of
RX_CLK, RX_ER, RX_DV/LOS, RXD
RXD, RX_DV/LOS, RX_ER
setup to ↑ RX_CLK
RXD, RX_DV/LOS, RX_ER
hold to ↑ RX_CLK
TEST CONDITIONS
IOH = −1 mA,
IOL = 1 mA,
VDD = MIN
VDD = MIN
0.8 V to 2 V,
C = 5 pF, See Figure 11
0.8 V to 2 V,
50% voltage swing,
See Figure 11
50% voltage swing,
See Figure 11
C = 5 pF, See Figure 11
GTX_CLK = 125 MHz
GTX_CLK = 100 MHz
GTX_CLK = 75 MHz
GTX_CLK = 125 MHz
GTX_CLK = 100 MHz
GTX_CLK = 75 MHz
MIN
2.10
GND
NOM
2.3
0.25
MAX
0.5
UNIT
V
V
0.5
V/ns
0.5
V/ns
3
4
ns
5.4
3
4
ns
5.4
RX_CLK
RX_DV, RX_ER,
RXD(0−15)
2.7 V
2.0 V
tr(slew)
0.8 V
0V
tf(slew)
2.7 V
2.0 V
tf(slew)
tsu
th
tr(slew)
0.8 V
0V
Figure 11. TTL Data Output Valid Levels for AC Measurements
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