CXB1818Q Просмотр технического описания (PDF) - Sony Semiconductor
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CXB1818Q Datasheet PDF : 17 Pages
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CXB1818Q
Pin
No.
Typical pin voltage [V]
Symbol
DC
AC
20 ClkB
1.6 to 2.4
21 Clk
1.6 to 2.4
Equivalent circuit
VCC
550 550
20
200
21
200
400µA
VEE
Description
Differential PECL clock
input.
22 VEE2
23 DB
24 D
25 VCC2
0
1.6 to 2.4
1.6 to 2.4
3.3
VEE
26 MaskSel
or
open
27 RSB
0.5
28 RS
2.0
Negative power supply
25
for data input circuit.
300 300
24
23
200
200 10k
Differential PECL data
input.
10k
1mA
300µA
22
Positive power supply
for data input circuit.
VCC
1k
26
VEE
2.2k
9k 4.5k 4.5k
2.2k
Alarm signal control for
optical power output
forced shutdown.
High (open):
Alarm signal is
High for shutdown.
Low (connect to VEE):
Alarm signal stays
Low for shutdown.
VCC
28
27
VEE
100µA
2.5k
15k
5k
Window comparator
top/bottom threshold
voltage for LD_ALARM.
The alarm (fault) assert
voltage can be set by
the external resistor.
Default voltages are
RS equal to 2.0V and
RSB equal to 0.5V.
(Option)
–5–
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