參數(shù)資料
型號(hào): TLK1221RHA
廠商: Texas Instruments, Inc.
英文描述: ETHERNET TRANSCEIVER
中文描述: 以太網(wǎng)收發(fā)器
文件頁(yè)數(shù): 8/23頁(yè)
文件大?。?/td> 501K
代理商: TLK1221RHA
www.ti.com
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
REFERENCE CLOCK (REFCLK) TIMING REQUIREMENTS
over recommended operating conditions (unless otherwise noted)
TTL ELECTRICAL CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
TLK1221
SLLS713–FEBRUARY 2007
MIN
NOM
MAX
UNIT
V
DD
,
V
DDA
,
V
DDPLL
I
DD
, I
DDA
,
I
DDPLL
P
D
Supply voltage
2.3
2.5
2.7
V
Frequency = 1.25 Gbps, PRBS pattern; ENABLE
= 1, V
DD
, V
DDPLL
and V
DDA
= 2.7 V
Frequency = 1.25 Gbps, PRBS pattern
Total supply current
113
mA
Total power dissipation
Total shutdown current (I
DD
+I
DDA
+
I
DDPLL
)
Startup lock time
Operating free-air temperature
235
305
mW
I
DDQ
Enable = 0; V
DD
, V
DDPLL
and V
DDA
= 2.7 V
1000
μ
A
PLL
T
A
V
DD
, V
DDA
= 2.5 V
500
85
μ
s
°
C
–40
PARAMETER
TEST CONDITIONS
MIN
TYP
60
130
MAX
UNIT
Minimum data rate
Maximum data rate
TYP – 0.01%
TYP – 0.01%
TYP + 0.01%
TYP + 0.01%
f
Frequency
MHz
Accuracy
Duty cycle
Jitter
–100
40%
100
60%
40
ppm
DC
50%
Random plus deterministic
ps
PARAMETER
High-level output voltage
Low-level output voltage
High-level input voltage
Low-level input voltage
High-level input current
Low-level input current
Input capacitance
TEST CONDITIONS
I
OH
= –400
μ
A
I
OL
= 1 mA
MIN
TYP
2.3
0.25
MAX
UNIT
V
V
V
V
μ
A
μ
A
pF
V
OH
V
OL
V
IH
V
IL
I
IH
I
IL
C
IN
V
DD
– 0.2
GND
0.5
3.6
0.8
40
1.7
V
DD
= 2.3 V, V
IN
= 2 V
V
DD
= 2.3 V, V
IN
= 0.4 V
–40
4
8
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