TLK4015

QUAD 0.6 to 1.5 Gbps TRANSCEIVER

SLLS541B − DECEMBER 2002 − REVISED JULY 2006

17

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TTL Output switching characteristics over recommended operating conditions (unless otherwise

noted)

PARAMETER

TEST CONDITIONS

MIN

NOM

MAX

UNIT

VOH

High-level output voltage

IOH = −1 mA,

VDD = MIN

2.10

2.3

V

VOL

Low-level output voltage

IOL = 1 mA,

VDD = MIN

0

0.25

0.5

V

tr(slew)

Slew rate (rising), magnitude of Rx_CLK,

Rx_ER, Rx_DV/LOSx, RDx

0.8 V to 2 V,

C = 5 pF, See Figure 10

0.5

V/ns

tf(slew)

Slew rate (falling), magnitude of Rx_CLK,

Rx_ER, Rx_DV/LOSx, RDx

0.8 V to 2 V,

C = 5 pF, See Figure 10

0.5

V/ns

tsu

RDx, Rx_DV/LOSx, Rx_ER setup to

↑

Rx_CLK

50% voltage swing,

See Figure 10

GTx_CLK = 30 MHz

15

ns

tsu

RDx, Rx_DV/LOSx, Rx_ER setup to

↑

Rx_CLK

50% voltage swing,

See Figure 10

GTx_CLK = 75 MHz

5.3

ns

th

RDx, Rx_DV/LOSx, Rx_ER hold to

↑

Rx_CLK

50% voltage swing,

See Figure 10

GTx_CLK = 30 MHz

15

ns

th

RDx, Rx_DV/LOSx, Rx_ER hold to

↑

Rx_CLK

50% voltage swing,

See Figure 10

GTx_CLK = 75 MHz

5.7

ns

RDx[0−15]

2 V

0.8 V

2 V

0.8 V

Rx_CLK

Rx_DV, Rx_ER,

tsu

th

tf(slew)

tr(slew)

0 V

2.7 V

0 V

tr(slew)

tf(slew)

2.7 V

Figure 10. TTL Data Output Valid Levels for AC Measurements