TLK2211 Datasheet, PDF (12/21 Pages) Texas Instruments – ETHERNET TRANSCEIVERS

TLK2211
SLLS873B – MAY 2008 – REVISED JULY 2008 ................................................................................................................................................................ www.ti.com
LVTTL OUTPUT SWITCHING CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
t_r(RBC)
t_f(RBC)
t_r
t_f
t_su(D3)
t_h(D3)
PARAMETER
Clock rise time
Clock fall time
Data rise timer
Data fall time
Data setup time (RD0..RD9)
Data hold time (RD0..RD9)
TEST CONDITIONS
MIN TYP MAX UNIT
80% to 20% output voltage, C = 5 pF (see Figure 7) 0.3
0.3
1.9
ns
1.9
0.3
2.25
ns
0.3
2.25
TBI half-rate mode, R_ω = 125 MHz (see Figure 2)
2.5
ns
TBI half-rate mode, R_ω = 125 MHz (see Figure 2)
1.5
ns
TRANSMITTER TIMING REQUIREMENTS
over recommended operating conditions (unless otherwise noted)
t_su(D4)
t_h(D4)
t_r, t_f
PARAMETER
Data setup time (TD0..TD9)
Data hold time (TD0..TD9)
TD[0,9] Data rise and fall time
TEST CONDITIONS
TBI modes
See Figure 7
MIN TYP
1.6
1
MAX
2
UNIT
ns
ns
12
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