TLK2541 datasheet(9/26 Pages) TI

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TTL OUTPUT SWITCHING CHARACTERISTICS

RX_CLK

RXD[0-19]

TLK2541

www.ti.com...................................................................................................................................................... SLLS779B – JANUARY 2008 – REVISED APRIL 2008

over recommended operating conditions (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOH

High-level output voltage

IOH = –1 mA, VDD = MIN

2.10

2.3

VOL

Low-level output voltage

IOL = 1 mA, VDD = MIN

GND

0.25

0.5

tr(slew)

Slew rate (rising), magnitude of RX_CLK,

0.8 V to 2 V, C = 5 pF, See Figure 3

0.5

V/ns

RXD[0:19]

tf(slew)

Slew rate (falling), magnitude of RX_CLK,

0.8 V to 2 V, C = 5 pF, See Figure 3

0.5

V/ns

RXD[0:19]

50% voltage swing, TX_CLK = 100 MHz,

2.5

See Figure 3

tsu

RXD[0:19] setup to

↑ RX_CLK

50% voltage swing, TX_CLK = 130 MHz,

2.5

See Figure 3

50% voltage swing, TX_CLK = 100 MHz,

1.5

See Figure 3

RXD[0:19] hold to

↑ RX_CLK

50% voltage swing, TX_CLK = 130 MHz,

1.5

See Figure 3

Duty Cycle, RX_CLK

See Figure 3

45%

50%

55%

Figure 3. TTL Data Output Valid Levels for AC Measurements

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