參數(shù)資料
型號： 935198040551
廠商： NXP SEMICONDUCTORS
元件分類： 數(shù)字傳輸電路
英文描述： CLOCK RECOVERY CIRCUIT, PQFP48
封裝： PLASTIC, SOT-313, LQFP-48
文件頁數(shù)： 6/38頁
文件大?。?/td> 209K
代理商： 935198040551
1999 May 27
14
Philips Semiconductors
Product specication
SDH/SONET data and clock recovery unit
STM1/4/16 OC3/12/48 GE
OQ2541HP; OQ2541U
CHARACTERISTICS
VEE = 3.3 V; Tamb = 40 to +85 °C; typical values measured at Tamb =25 °C; all voltages are measured with respect
to GND.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
VEE
negative supply voltage
see Fig.12; note 1
3.50
3.30
3.10
V
IEE
negative supply current
open outputs; see Fig.13
105
155
mA
Ptot
total power dissipation
350
550
mW
Data and clock inputs: pins DIN, DINQ, CREF and CREFQ
Vi(p-p)
input voltage
(peak-to-peak value)
50
measurement system;
see Fig.10; notes 2 and 3
7
200
450
mV
Vi(sens)(p-p)
input sensitivity
(peak-to-peak value)
50
measurement system;
notes 2 and 4
2.5
7
mV
VIO
DC input offset voltage
50
measurement system
3
0
+3
mV
VI
input voltage
50
measurement system
600
200
+250
mV
Zi
input impedance
single-ended; see Fig.4; note 5
50
Data and clock outputs: pins DOUT, DOUTQ, DLOOP, DLOOPQ, COUT, COUTQ, CLOOP and CLOOPQ
Vo(p-p)
output voltage swing
(peak-to-peak value)
50
measurement system;
single-ended; see Fig.10
default adjustment; note 6
170
200
210
mV
special adjustment; note 7
50
400
mV
VO
output voltage
600
0mV
Zo
output impedance
single-ended
100
tr(C)
clock output rise time
differential; 20% to 80%
54
ps
tf(C)
clock output fall time
differential; 20% to 80%
54
ps
tr(D)
data output rise time
differential; 20% to 80%
116
ps
tf(D)
data output fall time
differential; 20% to 80%
116
ps
td(D-C)
data-to-clock delay
see Fig.11; note 8
250
280
310
ps
Output amplitude adjustment: pin AREF
VAREF
output amplitude reference
voltage
oating pin
110
100
90
mV
Power control output: pin PC
gm
transconductance
84
60
42
mA/V
IO
output current
1
3.5
mA
Loop mode enable input: pin ENL
VIL
LOW-level input voltage
0.8
V
VIH
HIGH-level input voltage
2.0
V
Phase lock indicator: pin LOCK
VOL
LOW-level output voltage
note 9
0.6
V
VOH
HIGH-level output voltage
note 9
3.3
V
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