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参数资料
| 型号： | TZA3015HW |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 数字传输电路 |
| 英文描述： | 30 Mbit/s to 3.2 Gbit/s A-rate 4-bit fibre optic transceiver |
| 中文描述： | TRANSCEIVER, PQFP100 |
| 封装： | 14 X 14 MM, 1 MM HEIGHT, SOT-638-1, HTQFP-100 |
| 文件页数： | 28/67页 |
| 文件大小： | 352K |
| 代理商： | TZA3015HW |
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2003 Dec 16
28
Philips Semiconductors
Preliminary specification
30 Mbit/s to 3.2 Gbit/s A-rate
4-bit fibre optic transceiver
TZA3015HW
connectivity problems with other ICs are avoided. Unused
outputs can be disabled.
These options can be programmed in registers
TXRFOUTC1 (F3h) and TXRFOUTC0 (F4h). The
following RF outputs are available:
Serial data output; pins TXSD(Q)
Serial clock output; pins TXSC(Q).
The RF CML data and clock outputs have an adjustable
signal amplitude between 70 and 1100 mV (p-p)
single-ended in 16 steps. The amplitude can be
programmed by setting bits RFS[3:0] of register
TXRFOUTC0 (F4h). The default amplitude is
300 mV (p-p) single-ended.
The clock and data outputs can be swapped by
programming bit TXSDSCSWAP of register TXRFOUTC1
(F3h). Allowing full flexibility in the PCB design.
The data and clock outputs can be DC- or AC-coupled to
thelaserdriver.TheTZA3015HWserialRFoutputscanbe
adapted to this for optimal connectivity by appropriately
setting bit RFOUTTERMAC of register TXRFOUTC0
(F4h). DC termination is default.
Serial clock output
The polarity of the serial clock output TXSC(Q) can be
programmed by bit TXSCINV of register TXRFOUTC1
(F3h). The serial clock output can be disabled by setting
pin ENTXSC or by programming bit TXSCEN of register
TXRFOUTC1 (F3h) (see Table 20). This saves power
dissipation in applications where the serial clock is not
needed
Table 20
Truth table for serial clock enable
In order to control the enabling of the serial clock output by
the I
2
C-bus, bit I2CTXSCEN of register TXRFOUTC1
(F3h) must be programmed.
Serial data output
The polarity of the serial data output TXSD(Q) can be
programmed by bit TXSDINV of register TXRFOUTC1
(F3h).Thedataoutputcanbedisabledbyprogrammingbit
TXSDEN of register TXRFOUTC1 (F3h).
R
EFERENCE CLOCK INPUT
The reference clock CREF(Q) input is shown in Fig.36
RF
INPUT
The serial data inputs are pins RXSD(Q). These pins are
differential CML type serial RF data inputs. There are no
special settings for these inputs.
CMOS
OUTPUTS
The CMOS outputs are all used as logic outputs to indicate
the status of the TZA3015HW.
Loss of signal output; pin LOS
Frequency window detector output; pin INWINDOW
Interrupt output; pin INT
Loss of lock output; pin LOL
FIFO overflow alarm output; pin OVERFLOW.
A LOW state equals the ground potential and a HIGH state
equals the supply voltage. The INT output can be
configured as CMOS output or as open-drain output (see
Sections “Open-drain output” and “Interrupt generation”).
The output is configured as open-drain output by default.
CMOS
INPUTS
The CMOS inputs are all used as logic inputs to configure
the TZA3015HW:
User interface selection input; pin UI
Data rate selection inputs; pins DR0 to DR2
Loop mode selection inputs; pins LM0 to LM2
Enable receiver input; pin ENRX
Enable transmitter input; pin ENTX
Wide and narrow frequency detect window selection
input; pin WINSIZE
Enable low LVDS swing output input; pin LOWSWING
Reference frequency selection inputs; pins FREF0 and
FREF1
Enable byte alignment input; pin ENBA
FIFO reset input; pin FIFORESET
Odd or even parity check input; pin PAREVEN
Co-directional or contra-directional clocking selection
input; pin CLKDIR
Enable serial clock input; pin ENTXSC.
PIN ENTXSC
BIT ENTXSC
SERIAL CLOCK
LOW
HIGH
0
1
disabled
enabled
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TZA3017HW | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:30 Mbits/s up to 3.2 Gbits/s A-rate fibre optic transmitter |
| TZA3019 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:2.5 Gbits/s dual postamplifier with level detectors and 2 x 2 switch |
| TZA3019AHT | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:2.5 Gbits/s dual postamplifier with level detectors and 2 x 2 switch |
| TZA3019AV | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:2.5 Gbits/s dual postamplifier with level detectors and 2 x 2 switch |
| TZA3019AVH | 制造商:未知厂家 制造商全称:未知厂家 功能描述:APPLICATION SPECIFIC AMPLIFIER|DUAL|LLCC|32PIN|PLASTIC |
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