TLK1221 Datasheet, PDF (8/23 Pages) Texas Instruments – ETHERNET TRANSCEIVER

TLK1221
SLLS713 – FEBRUARY 2007
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
V_DD,
V_DDA,
V_DDPLL
I_DD, I_DDA,
I_DDPLL
P_D
I_DDQ
PLL
Supply voltage
Total supply current
Total power dissipation
Total shutdown current (I_DD+I_DDA +
I_DDPLL )
Startup lock time
T_A
Operating free-air temperature
Frequency = 1.25 Gbps, PRBS pattern; ENABLE
= 1, V_DD , V_DDPLL and V_DDA = 2.7 V
Frequency = 1.25 Gbps, PRBS pattern
Enable = 0; V_DD , V_DDPLL and V_DDA = 2.7 V
V_DD, V_DDA = 2.5 V
REFERENCE CLOCK (REFCLK) TIMING REQUIREMENTS
over recommended operating conditions (unless otherwise noted)
PARAMETER
f
Frequency
Accuracy
DC Duty cycle
Jitter
TEST CONDITIONS
Minimum data rate
Maximum data rate
Random plus deterministic
MIN
TYP – 0.01%
TYP – 0.01%
–100
40%
www.ti.com
MIN NOM MAX UNIT
2.3
2.5
2.7 V
113 mA
235
305 mW
1000 µA
500 µs
–40
85 °C
TYP
60
130
50%
MAX
TYP + 0.01%
TYP + 0.01%
100
60%
40
UNIT
MHz
ppm
ps
TTL ELECTRICAL CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER
V_OH
High-level output voltage
V_OL
Low-level output voltage
V_IH
High-level input voltage
V_IL
Low-level input voltage
I_IH
High-level input current
I_IL
Low-level input current
C_IN
Input capacitance
TEST CONDITIONS
I_OH = –400 µA
I_OL = 1 mA
V_DD = 2.3 V, V_IN = 2 V
V_DD = 2.3 V, V_IN = 0.4 V
MIN
V_DD – 0.2
GND
1.7
–40
TYP
MAX UNIT
2.3
V
0.25
0.5
V
3.6
V
0.8
V
40
µA
µA
4
pF
8
Submit Documentation Feedback