Datasheet
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RECOMMENDED OPERATING CONDITIONS
REFERENCE CLOCK (REFCLK) TIMING REQUIREMENTS
TTL ELECTRICAL CHARACTERISTICS
TLK1201ARCP , TLK1201AIRCP
ETHERNET TRANSCEIVERS
SLLS580D – FEBRUARY 2004 – REVISED SEPTEMBER 2007
MIN NOM MAX UNIT
Supply voltage, V
DD
, V
DD(A)
2.3 2.5 2.7 V
Total supply current, I
DD
, I
DD(A)
Frequency = 1.25 Gbps, PRBS pattern 90 mA
Frequency = 1.25 Gbps, PRBS pattern 250 mW
Total power dissipation, P
D
Frequency = 1.25 Gbps, worst case
(1)
245 mW
Total shutdown current, I
DD
, I
DD(A)
Enable = 0, V
DD(A)
, V
DD
= 2.7 V 50 μ A
Startup lock time, PLL V
DD
, V
DD(A)
= 2.5 V, EN ↑ to PLL acquire 500 μ s
TLK1201A 0 70
Operating free-air temperature, T
A
° C
TLK1201AI -40 85
(1) The worst case pattern is a pattern that creates a maximum transition density on the serial transceiver.
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
TLK1201A TYP – 0.01% 60 TYP+0.01%
Frequency Minimum data rate
TLK1201AI TYP – 0.01% 60 TYP+0.01% MHz
Frequency Maximum data rate TYP – 0.01% 130 TYP+0.01%
Accuracy 100 100 ppm
Duty cycle 40% 50% 60%
Jitter Random plus deterministic 40 ps
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
OH
High-level output voltage I
OH
= – 400 μ A V
DD
– 0.2 2.3 V
V
OL
Low-level output voltage I
OL
= 1 mA GND 0.25 0.5 V
V
IH
High-level input voltage 1.7 3.6 V
V
IL
Low-level input voltage 0.8 V
I
IH
High-level Input current V
DD
= 2.3 V, V
IN
= 2 V 40 μ A
I
IL
Low-level Input current V
DD
= 2.3 V, V
IN
= 0.4 V – 40 μ A
C
IN
Input capacitance 4 pF
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