TLK3134_1 Datasheet, PDF (124/150 Pages) Texas Instruments – 4-Channel Multi-Rate Transceiver

TLK3134
4-Channel Multi-Rate Transceiver
SLLS838D – MAY 2007 – REVISED JULY 2008
4.15 MDIO Timing Requirements Over Recommended Operating Conditions⁽¹⁾
PARAMETER
t_period
t_setup
t_hold
T_valid
MDC period
MDIO setup to ↑ MDC
MDIO hold to ↑ MDC
MDIO valid from MDC ↑
(1) Unless otherwise noted.
TEST CONDITIONS
See Figure 4-13.
See Figure 4-13.
See Figure 4-13.
MIN NOM
100
10
10
0
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MAX
300
UNIT
ns
ns
ns
ns
MDC
t_PERIOD
t_SETUP
t_HOLD
MDIO
Figure 4-13. MDIO Read/Write Timing
50 W
OUTPUT
VDDQ
50 W transmission line
VDDQ
150/200/
300/Open
(W)
+
150/200/
300/Open
(W)
GND
-
RW
VREF
RW
GND
PCB
Figure 4-14. HSTL I/O Schematic
INPUT
124 Electrical Specifications
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