TLK1501IRCPR datasheet(16/34 Pages) TI2

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TLK1501

0.6 TO 1.5 GBPS TRANSCEIVER

SLLS428F − JUNE 2000 − REVISED JANUARY 2004

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

TTL input electrical characteristics over recommended operating conditions (unless otherwise

noted), TTL signals: TXDO−TXD15, GTX_CLK, LOOPEN, LCKREFN, PRBS_EN

PARAMETER

TEST CONDITIONS

MIN

NOM

MAX

UNIT

VIH

High-level input voltage

See Figure 10

1.7

3.6

VIL

Low-level input voltage

See Figure 10

0.80

IIH

Input high current

VDD = MAX, VIN = 2 V

µA

IIL

Input low current

VDD = MAX, VIN = 0.4 V

−40

µA

0.8 V to 2 V

Rise time, GTX_CLK, TX_EN, TX_ER, TXD

0.8 V to 2 V, C = 5 pF,

See Figure 10

Fall time, GTX_CLK, TX_EN, TX_ER, TXD

2 V to 0.8 V, C = 5 pF,

See Figure 10

tsu

TXD, TX_EN, TX_ER setup to

↑ GTX_CLK

See Figure 10

1.5

TXD, TX_EN, TX_ER hold to

↑ GTX_CLK

See Figure 10

0.4

TXD[0−15]

2.0 V

0.8 V

2.0 V

0.8 V

GTX_CLK

TX_ER, TX_EN,

tsu

0 V

3.6 V

0 V

3.6 V

Figure 10. TTL Data Input Valid Levels for ac Measurements

TLK1501IRCPR Datasheet(PDF) 16 Page - Texas Instruments

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