TLK1501_12 Datasheet, PDF (16/32 Pages) Texas Instruments – 0.6 TO 1.5 GBPS TRANSCEIVER

TLK1501
0.6 TO 1.5 GBPS TRANSCEIVER
SLLS428F − JUNE 2000 − REVISED JANUARY 2004
TTL input electrical characteristics over recommended operating conditions (unless otherwise
noted), TTL signals: TXDO−TXD15, GTX_CLK, LOOPEN, LCKREFN, PRBS_EN
PARAMETER
VIH
High-level input voltage
VIL
Low-level input voltage
IIH
Input high current
IIL
Input low current
CI
tr
Rise time, GTX_CLK, TX_EN, TX_ER, TXD
tf
Fall time, GTX_CLK, TX_EN, TX_ER, TXD
tsu
TXD, TX_EN, TX_ER setup to ↑ GTX_CLK
th
TXD, TX_EN, TX_ER hold to ↑ GTX_CLK
TEST CONDITIONS
See Figure 10
See Figure 10
VDD = MAX, VIN = 2 V
VDD = MAX, VIN = 0.4 V
0.8 V to 2 V
0.8 V to 2 V, C = 5 pF,
See Figure 10
2 V to 0.8 V, C = 5 pF,
See Figure 10
See Figure 10
See Figure 10
MIN NOM
1.7
− 40
MAX
3.6
0.80
40
4
1
UNIT
V
V
µA
µA
pF
ns
1
ns
1.5
ns
0.4
ns
GTX_CLK
TX_ER, TX_EN,
TXD[0−15]
tr
tf
tsu
tr
tf
th
Figure 10. 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
16
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