TLK10002
www.ti.com
SLLSE75 –MAY 2011
LVCMOS ELECTRICAL CHARACTERISTICS (VDDO)
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
VDDO –
IOH = 2 mA, Driver Enabled (1.8 V)
VDDO
V
0.45
VOH
High-level output voltage
0.75 ×
VDDO
IOH = 2 mA, Driver Enabled (1.5 V)
IOL = –2 mA, Driver Enabled (1.8 V)
IOL = –2 mA, Driver Enabled (1.5 V)
VDDO
0
0.45
VOL
Low-level output voltage
High-level input voltage
V
0.25 ×
0
VDDO
0.65 ×
VDDO
VIH
VDDO + 0.3
V
V
0.35 ×
VDDO
VIL
Low-level input voltage
Low/high input current
–0.3
IIH, IIL
Receiver only
±170
±25
±195
3
µA
µA
µA
pF
Driver disabled
IOZ
High-impedance output current
Input capacitance
Driver disabled with pull up/down enabled
CIN
MDIO TIMING REQUIREMENTS
over recommended operating conditions (unless otherwise noted)
PARAMETER
MDC period
TEST CONDITIONS
MIN
100
10
TYP
MAX UNIT
tperiod
tsetup
thold
See Figure 30
See Figure 30
See Figure 30
ns
ns
ns
MDIO setup to ↑ MDC
MDIO hold to ↑ MDC
MDIO valid from MDC ↑
10
tvalid
0
40
ns
MDC
t
PERIOD
t
t
SETUP
HOLD
MDIO
Figure 30. MDIO Read/Write Timing
Copyright © 2011, Texas Instruments Incorporated
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