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Photo IC for optical link
L11354-01
S11355-03
P11379-04AT
Transmitter Receiver
photo IC photo IC
L11354-01 S11355-03
Transmitter/
receiver photo IC
P11379-04AT
For 150 Mbps optical link
This photo IC is capable of data communication at a data rate of 150 Mbps through a plastic optical fiber (POF). Its
transmitter is composed of a 650 nm RC (resonant cavity) type LED, which is suitable for POF communications, and a driver
circuit that supports an LVDS interface.
The transmitter has a built-in temperature compensation function that adjusts for the reduction in the light emission power
caused by the high temperature emitted from the RC type LED. This function makes light emission with stable power
possible over a wide temperature range. The receiver is composed of a PIN photodiode and signal processing circuit. The
adoption of a full differential structure using a dummy photodiode eliminates the effects of external noise, achieving high
sensitivity. In addition, the photo IC has a sleep function that suppresses power consumption by switching to standby mode
when there is no input.
This product features high quality and high reliability, allowing it to be installed even in automobiles for in-vehicle
networking. It is already used as an optical fiber transceiver (FOT) for a MOST network, which is a type of in-vehicle
multimedia network. POFs with ferrule are also available.
Features
Applications
Communication speed up to 150 Mbps
Sidelooker type and SMD type are available.
3.3 V power supply operation
Wide operating temperature: -40 to +95 °C
Suitable for reflow soldering
Sleep mode function
Data transmission in harsh, noisy environments, such
as in FA and OA.
High-speed, short-distance data transmissio
Only for vehicle networks (MOST)
MOST compliant products
Specications of these products are subject to
change without prior notice to keep up with
changes in the MOST standard.
Absolute maximum ratings
Parameter
Symbol
Condition
Value
Unit
Supply
voltage
L11354-01
P11379-04AT
(Transmitter)
S11355-03
P11379-04AT
(Receiver)
Vcc_TX
Vcc_RX
Ta=-40 to +95 °C
-0.5 to +7.0
-0.5 to +4.6
V
Input voltage
Vi Ta=-40 to +95 °C
-0.5 to Vcc+0.5
V
Power
dissipation
L11354-01
S11355-03
P11379-04AT
P Ta=-40 to +95 °C
350
320
1250
mW
Operating temperature
Topr
-40 to +95
°C
Storage temperature
Tstg
-40 to +110
°C
Reflow soldering conditions*1
Tsol
Peak temperature 260 °C max., 3 times (see page 12)
-
*1: JEDEC level 2a
Note: Exceeding the absolute maximum ratings even momentarily may cause a drop in product quality. Always be sure to use the
product within the absolute maximum ratings.
Recommended operating conditions
Parameter
Supply voltage
Data rate
Symbol
Vcc
fD
Condition
DCA coding
Min.
3.135
-
www.hamamatsu.com
Typ.
3.3
-
Max.
3.465
150
Unit
V
Mbps
1

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Photo IC for optical link
L11354-01, S11355-03, P11379-04AT
L11354-01, P11379-04AT (Transmitter)
Electrical and optical characterisitics*2 (Ta=-40 to +95 °C, Vcc=3.135 to 3.465, unless otherwise noted*3)
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Current consumption
Icc *4
- - 40 mA
Peak emission wavelength
λC2
635 650 675 nm
Spectral width (RMS)
σλ2
- - 17 nm
Fiber coupled optical output 1
Po1 CTRL_TX=Low,*5 *6
-7
- -1.5 dBm
Fiber coupled optical output 2
POFF2
- - -50 dBm
Extinction ratio
re
10 -
- dB
Rise time
tr 20 to 80%,*4 *5
- - 0.5 UI
Fall time
tf 80 to 20%,*4 *5
- - 0.5 UI
Transfer jitter (RMS)
Overshoot
Jtr2
rpos
*4 *5
*5
- - 112
See “ Overshoot” table.
ps
-
Undershoot
rnos *5
See “ Undershoot” table.
-
Input voltage level “/RST”
VinRL *7
VinRH *7
Input voltage level “CTRL_TX”
VinCL
VinCH
Input current “/RST”
IinRL /RST=Low
IinRH /RST=High
Input current “CTRL_TX”
IinCL CTRL_TX=Low
IinCH CTRL_TX=High
Input current “TXN” “TXP”
IinTXL TXN, TXP=Low
IinTXH TXN, TXP=High
Frequency range
During transmission
During non-transmission
FON1
FOFF1
Valid MOST data (SP2) time
tON2
tOFF2
*8 *9
*8 *10
Eye mask
A2 to F2
- - 0.8
2- -
- - 0.8
2- -
- - -0.1
- - 50
- - -0.1
- - 50
- - -0.1
- - 0.1
12 - 73.743
0 - 10
- - 100
- -2
See “ Eye mask” table.
V
V
μA
μA
μA
MHz
kHz
μs
μs
-
*2: Electrical interface conforms to LVDS standards except common mode input voltage.
*3: Connect a bypass capacitor (0.1 μF) between Vcc and GND at a position within 3 mm from the leads. Also connect a 10 μF capacitor
near the photo IC.
L11354-01: The center of the optical ber is aligned with the center of the package lens. The distance between the ber end and
the lens top is 0.1 mm.
*4: Input signal rate 150 Mbps (DCA coding)
*5: Input signal
Parameter
Symbol
Min.
Typ.
Max.
Unit
Differential input voltage
Common mode input voltage
Vid
VCM
200
0.05
-
1272
mV
-
Vcctx - 1.2
V
Total jitter
tTJtp1
-
- 0.15 UI
Transfer jitter (RMS)
Jtr1
-
- 50 ps
*6: Average value, fiber core diameter ϕ1 mm, POF, NA=0.5, 1 m (made by Mitsubishi Rayon)
*7: /RST signal
Parameter
Valid supply voltage range
Logic switching threshold
Logic delay time
01
10
Symbol
VVALID
VT
tD+
tD-
Min.
1
2.97
1
0
Max.
3.465
-
-
100
Unit
V
V
ms
μs
Note: See “ Timing chart” for the /RST signal timing chart.
*8: See “ Timing chart”.
*9: Delay time for light output to turn on
*10: Delay time for light output to turn off
2

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Photo IC for optical link
L11354-01, S11355-03, P11379-04AT
Overshoot
Parameter
Amplitude*11
AO -0.200
BO -0.200
CO 0.500
DO 0.800
EO 0.800
FO 0.200
GO 0.200
HO 0.500
JO 1.400
KO 1.400
*11: On the basis of b0=0 and b1=1
Time (UI)
-0.630
0.100
0.100
0.350
1.370
-0.630
-0.350
-0.100
-0.100
1.370
Overshoot
Keep out area
JO KO
b1=1
b0 + b1
2
DO
HO CO
EO
FO GO
b0=0
AO
Keep out
area
BO
T=0
KPICB0153EA
Undershoot
Parameter
AU
BU
CU
DU
EU
FU
GU
HU
JU
KU
LU
MU
NU
PU
RU
SU
TU
Amplitude*12
0.800
0.800
0.850
0.850
0.800
0.800
0.500
-0.200
-0.200
1.400
1.400
1.340
1.150
1.150
0.500
0.200
0.200
Time (UI)*13
-0.630 - x
-0.530 - x
-0.530 - x
-0.430
-0.430
-0.350
-0.100
-0.100
1.370
-0.630 - x
-0.530 - x
-0.530 - x
-0.220 - x
0.100
0.100
0.350
1.370
Undershoot
b1=1
KU LU
MU
NU
CU DU
AU BU EU FU
PU
Keep out area
b0 + b1
2
RU
GU
SU
HU
Keep out area
T=0
*12: On the basis of b0=0 and b1=1
*13: The positions of Au, Bu, Cu, Ku, Lu and Mu on the time axis depend on the MOST data pulse width (2 to 6).
x=MOST data pulse width - 2
For 2UI: x=0, For 6UI: x=4
TU
b0=0
JU
KPICB0154EB
Eye mask
Parameter
A2
B2
C2
D2
E2
F2
Amplitude
0.5 × (b1 + b0)
0.8 × (b1 - b0)+b0
0.8 × (b1 - b0)+b0
0.5 × (b1 + b0)
0.2 × (b1 - b0)+b0
0.2 × (b1 - b0)+b0
Time (UI)
0.150
0.400
0.600
0.850
0.600
0.400
Eye mask
B2 C2
A2 Keep out area D2
F2 E2
KPICB0155EA
3

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Photo IC for optical link
L11354-01, S11355-03, P11379-04AT
S11355-03, P11379-04AT (Receiver)
Electrical and optical characterisitics*14 (Ta=-40 to +95 °C, Vcc=3.135 to 3.465, unless otherwise noted*15)
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Peak sensitivity wavelength
λp
- 800 - nm
Current consumption (operation mode)
Icco *16
- - 40 mA
Current consumption (sleeping mode)
Iccs Dark state
- - 30 μA
STATUS
High level output voltage
Low level output voltage
Vmh
Vml
Imh=20 μA,*17
Iml=0.2 mA,*17
2.5
-
-
-
-V
0.5 V
Operation to sleeping mode transition
receivable level
POFF3 *16 *18 *19
- - -35 dBm
Transfer jitter (RMS)
Error rate
Valid MOST data (input signal) frequency
Invalid MOST data frequency
Time from input signal start to operation mode
Time from input signal start to STATUS ON
Time from STATUS ON to LVDS output stabilization
Time from input signal stop to sleeping mode
LVDS output hold time
Time from input signal stop to STATUS OFF
Eye mask
Jtr4
Pe
FON3
FOFF3
tON4
tSTATF
tLVDSV4
tOFF4
tLVDSH4
tSTATR
A4 to F4
*16 *19 *20 *21 *22
*23
*23
*23
*23
*23
*23
- - 230
- - 10-9
12 - 73.743
0 - 10
- - 10
200 - 1000
- - 100
- -1
1- -
- -2
See “ Eye mask” table.
ps
-
MHz
kHz
ms
μs
μs
ms
μs
μs
-
*14: Electrical interface conforms to LVDS standards except differential output amplitude level
*15: Connect a bypass capacitor (0.1 μF) between Vcc and GND at a position within 3 mm from the leads. Also connect a 10 μF
capacitor near the photo IC.
*16: Input signal
Parameter
Symbol
Min.
Typ.
Max.
Unit
Optical data that allows Valid
S11355-01
MOST data (SP4) to be obtained P11379-04AT
Popt3
-23.5
-21.5
-
-
-2
-2
dBm
Rise time
trtp3
-
-
2 ns
Fall time
tftp3
-
-
2 ns
Total jitter
tTJtp3
-
- 600 ps
Extinction ratio
re 10
-
- dB
*17: Changes to operation mode when input light enters the receiver section. When STATUS output is low, the photo IC is in operation
mode. When STATUS output is high, the photo IC is in sleeping mode.
*18: Input light is specied as the average power at the ber end. The optical ber used is a POF (NA=0.5).
*19: The center of the optical ber is aligned with the center of the package lens. The distance between the ber end and the lens top
is 0.1 mm.
*20: RL=100 kΩ, CL=3 pF (including parasitic capacitance such as probe, connector and circuit board)
*21: A standard transmitter specied by HAMAMATSU is used to input light.
*22: Optical input signal rate=150 Mbps (DCA coding)
*23: See “ Timing chart”.
Eye mask
Parameter
A4
B4
C4
D4
E4
F4
G4
H4
Amplitude (mV)
0
148
148
0
-148
-148
636
-636
Time (UI)
0.275
0.425
0.575
0.725
0.575
0.425
-
-
Eye mask
G4 Keep out area
B4 C4
A4 Keep out area D4
F4 E4
H4 Keep out area
KPICB0156EA
4

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Photo IC for optical link
L11354-01, S11355-03, P11379-04AT
Timing chart
L11354-01, P11379-04AT (Transmitter)
Reset: ON
VCCTXOR max.
VCCTXOR min.
EOC power
VT
0V
/RST
tD+
SP1 Disabled
SP2
Valid MOST data
b1
POFF2
Valid MOST data
tON2
Signal: ON
VCCTXOR max.
VCCTXOR min.
EOC power
VT
0V
/RST
tD+
SP1 Disabled
SP2
LVDS 0 Valid MOST data
b1
Valid MOST data
POFF2
tON2
Reset: OFF
EOC power
0V
/RST
VT
SP1 Valid MOST data
Disabled
SP2 Valid MOST data
POFF2
tOFF2
b0
Signal: OFF
EOC power
0V
/RST
VT
tD-
SP1 Valid MOST data LVDS 0 Disabled
SP2 Valid MOST data
POFF2
tOFF2
b0
KPICC0176EA
KPICC0176EA
SP3
b1
PON3 b0
1
STATUS
0
SP4
tSTATF
Disabled
S11355-03, P11379-04AT (Receiver)
tON4
tLVDSV4
Valid MOST data
tOFF4
tLVDSH
tSTATR
POFF3
Enabled
Valid MOST data
LVDS 0
Disabled
KPICC0181EA
5