TLK2701 Datasheet, PDF (12/21 Pages) Texas Instruments – 1.6 TO 2.7 GBPS TRANSCEIVER

TLK2701
1.6 TO 2.7 GBPS TRANSCEIVER
SLLS429B – AUGUST 2000 – REVISED MAY 2002
TTL input electrical characteristics over recommended operating conditions (unless otherwise
noted), TTL signals: TXDO–TXD15, GTX_CLK, LOOPEN, LCKREFN, PRBS_PASS, TKLSB, TKMSB
PARAMETER
VIH High-level input voltage
VIL Low-level input voltage
IIL Input high current
IIH Input low current
CI Receiver input capacitance
tr
Rise time, GTX_CLK, TKMSB, TKLSB, TXD
tf
Fall time, GTX_CLK, TKMSB, TKLSB, TXD
tsu TXD, TKMSB, TKLSB setup to ↑ GTX_CLK
th
TXD, TKMSB, TKLSB hold to ↑ GTX_CLK
TEST CONDITIONS
See Figure 10
See Figure 10
VDD = MAX, VIN = 2 V
VDD = MAX, VIN = 0.4 V
0.7 V to 1.9 V, C = 5 pF, See Figure 10
1.9 V to 0.7 V, C = 5 pF, See Figure 10
See Figure 10
See Figure 10
MIN NOM MAX UNIT
2
3.6 V
0.80 V
40 µA
– 40
µA
4 pF
1
ns
1
ns
1.5
ns
0.4
ns
GTX_CLK
TXLSB, TXMSB,
TXD[0–15]
tr
tf
tsu
tr
tf
th
Figure 6. TTL Data Input Valid Levels for AC Measurements
3.6 V
2.0 V
0.8 V
0V
3.6 V
2.0 V
0.8 V
0V
12
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