參數(shù)資料
型號(hào): 935238950551
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(yè)數(shù): 10/26頁(yè)
文件大?。?/td> 335K
代理商: 935238950551
1998 Feb 09
18
Philips Semiconductors
Objective specication
SDH/SONET data and clock recovery unit
STM1/4 OC3/12
TZA3004HL
handbook, full pagewidth
2
2
1
k
1
k
1
F
1
H
4.5 V
+3.3 V
β > 100
100
nF
3.3
nF
MGK142
VEE
PC
GND(1)
1
3
4
6
7
45
46
42
43
9
36
34
33
30
17
15
16
21
22
48
37
25, 31
24
TZA3004HL
DCSQ
normal
output
loop
output
select
DINQ
DIN
PRE-
AMP
(OQ2539)
SEL155
COUTQ
COUT
DOUTQ
DOUT
12
LOCK
AREF
CLOOP
CLOOPQ
DLOOP
REF19
38.88/19.44 MHz
system clock
DLOOPQ
CAPUPQ
CAPDOQ
CREFQ
REF39
CREF
ENL
10 k
+3.3 V
39
LOS
10 k
100 nF
APPLICATION INFORMATION (POSITIVE SUPPLY)
handbook, full pagewidth
2
2
1
k
1
k
1
F
1
H
4.5 V
+3.3 V
β > 100
100
nF
3.3
nF
MGK142
VEE
PC
GND(1)
1
3
4
6
7
45
46
42
43
9
36
34
33
30
17
15
16
21
22
48
37
25, 31
24
TZA3004HL
DCSQ
normal
output
loop
output
select
DINQ
DIN
PRE-
AMP
(OQ2539)
SEL155
COUTQ
COUT
DOUTQ
DOUT
12
LOCK
AREF
CLOOP
CLOOPQ
DLOOP
REF19
38.88/19.44 MHz
system clock
DLOOPQ
CAPUPQ
CAPDOQ
CREFQ
REF39
CREF
ENL
10 k
+3.3 V
39
LOS
10 k
100 nF
Fig.12 Application diagram showing the TZA3004HL configured for 622.08 Mbits/s positive supply application.
Note that loopmode outputs are used as outputs. ENL=HIGH selects these outputs. ENL=LOW selects
loopmode and normal mode outputs simultaneously.
(1) All GND pins must be connected directly
to the PCB +5V (VCC) plane (pins 2, 5, 8,
10, 11, 14, 17, 20, 23, 26, 29, 32, 35, 38,
41, 44 and 47).
10k
VCC
LOS
10k
VCC
LOCK
=
main
output
=
unused
output
VCC
VCC VCC
VCC
27,28
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