Preliminary Technical Data (Rev. 0.1, June 22, 2000)
TRM7953AN
STM-16 1.5
µm
Optical Transmitter (for 200 GHz Spacing DWDM)
Preliminary Product Disclaimer
This preliminary data sheet is provided to assist you in the evaluation of functional samples of
the products that are under development and for which a reliability test has not been
completed. Until Hitachi, Ltd. releases these products for general sales, Hitachi, Ltd. reserves
the right to change prices, features, functions, specifications, capabilities and release
schedule.
FEATURES
· Data rates up to 2.5 Gbit/s
· Long-haul Transmission Length (400 km)
· Wavelength range, 1531.90 nm – 1562.23 nm
· ITU-Grid Channel (200 GHz Spacing)
· Compact size (51 x 73.4 x 12.7 mm
3
)
· Laser bias monitor output
· Laser back-facet monitor output
· Laser Temperature Deviation Alarm
· Support Single Channel Application
Confidential: Preliminary Technical Data of TRM7953AN (Rev. 0.1, June 22, 2000)
HITACHI
Block Diagram
SELC
BIAS (+)
TEMP ALM
ATC
Data
Data
CLK
CLK
APC
SDC
BACK (+)
F/F
Driver
Laser-Diode
Module
Optical
Output
Recommended Circuit
-2-
Confidential: Preliminary Technical Data of TRM7953AN (Rev. 0.1, June 22, 2000)
HITACHI
PERFORMANCE SPECIFICATIONS
Table 1. Absolute Maximum Ratings
Item
Symbol Rated Value
DC Power Supply (+5.0 V)
-
-0.3 to +6.0
DC Power Supply (-5.2 V)
-
-6.0 to +0.3
DC Power Supply (+3.3 V)
-
-0.3 to +4.0
Operating Case Temperature
Topr.
0 to +70
Storage Case Temperature
Tstg.
-20 to +75
Lead Soldering Temperature
-
≤250
Lead Soldering Time
-
≤10
No.
1
2
3
4
5
6
7
Unit
V
V
V
°C
°C
°C
s
Note
Vcc
Vee
Vtt
Table 2. Operating Environment
Electrical and optical characteristics below are defined under this operating environment, unless
otherwise specified.
Symbol
Min.
No.
Parameter
Typ.
Max. Unit
Remarks
1 Supply Voltage
V
CC
4.75
5.0
5.25
V
2 Supply Voltage
V
DD
3.13
3.3
3.47
V
3 Supply Voltage
V
EE
-4.94
-5.2
-5.45
V
4 Supply Current
I
CC
-
-
0.8
A
+5 V
5 Supply Current
I
DD
-
-
2.0
A
+3.3 V
6 Supply Current
I
EE
-
-
1.8
A
-5.2 V
7 Power Consumption
P
DS
-
-
14
W
8 Operating Temperature
T
C
(Note)
25
(Note) °C
Case
Note: Target specification is minimum of 0 and maximum of 65.
Table 3. DC Power Supply
Item
Symbol
Min.
Typ.
Positive Supply Voltage
Vcc
+4.75
+5.00
Negative Supply Voltage
Vee
-4.94
-5.20
TEC Supply Voltage
Vtt
+3.15
+3.30
Positive Supply Current
Icc
-
-
Negative Supply Current
Iee
-
-
TEC Supply Current
Itt
-
-
Total Power Consumption
Pc
-
-
No.
1
2
3
4
5
6
7
Max.
+5.25
-5.46
+3.45
400
250
1300
6.5
Unit
V
V
V
mA
mA
mA
W
-3-
Confidential: Preliminary Technical Data of TRM7953AN (Rev. 0.1, June 22, 2000)
HITACHI
Table 4. Optical Characteristics
No.
Item
Symbol Min.
Typ.
Max.
1 Average Power Output
Pf
-3.5
-
+2.0
-4.5
-
+2.0
2
3
4
5
6
7
8
Extinction Ratio
Optical Waveform
Optical Output at
Shutdown
Center Wavelength
Variation in Center
Wavelength
Spectral Width
(-20 dB)
Side-mode
Suppression Ratio
ER
-
-
λc
∆λ
∆λ20
Sr
10
-
-
Satisfying the Mask
-
-
-40
1531.9
-0.25
-
30
-
1562.23
+0.25
0.5
-
Unit
Remarks (Note 1)
dBm Point S, Beginning of
life
Point S, End of life
dB
- Note 2
dBm
nm 200 GHz Spacing
nm End of Life, TBD
nm
dB
-
-
Note 1. Transmit Data: NRZ at 2.488320 Gbit/s, Mark 50%, PRBS=2
23
-1,
±
±
±
Power Supply Voltage: Vcc = 5.0
0.25
V, Vee = -5.2
0.26
V, Vtt = 3.3
0.16
Tc = 0 to 75°C
Note 2.
Fig. 4.1 Mask of Eye Diagram for the Optical Waveform through the 4
th
-order
Bessel Filter According to ITU-T G957
-4-
Confidential: Preliminary Technical Data of TRM7953AN (Rev. 0.1, June 22, 2000)
HITACHI
Note 3.
B.T.B
PPG
TRM7953AN
0 dBm
0 dBm
0 dBm
0 dBm
Pr
100 km
100 km
100 km
100 km
1 nm
Optical Bandwidth
OBF
OR
ERD
Total Fiber Dispersion : 6400 ps/nm
OR : HITACHI Receiver (RCV7935AN)
Fig 4.2 Optical Path Penalty Measurement Setup
Table 5 Input/Output Signal Interface
No.
1
2
3
Item
Optical Connector
Data Input Impedance
Input Data Voltage
Min.
Typ.
Max.
Unit
-
Ω
mV
Ω
mV
%
ps
ps
-
ms
ms
Remarks
(Note 1)
AC-coupled
peak to peak
AC-coupled
peak to peak
Note 2
Note 2
Note 3
Single
Differential
4 Clock Input Impedance
Single
5 Input Clock Voltage
Differential
6 Input Clock Duty Cycle
7 Setup time
8 Hold time
9 Shutdown Command Interface
10 Shutdown activation time
11 Shutdown deactivation time
12 Clock Mode Select Interface
13 Temperature Deviation Alarm
Monitoring for LD bias current
14
(BIAS(+))
Monitoring for back facet PD
15
current (BACK(+))
FC-PC
50
500
-
1000
300
-
1000
50
500
-
1000
300
-
1000
40
50
60
-
-
75
-
-
75
TTL Level Active High
-
-
5
-
-
250
High: Non-
clocked
TTL
mode
Level:
Low: Clocked
mode
TTL Level Active High
-
450
20
500
-
550
-
Note 4
-
mV/mA
mV
Note 5
Note 6
Note 1. Transmit Data: NRZ at 2.488320 Gbit/s, Mark 50%, PRBS=2
23
-1,
Power Supply Voltage: Vcc = 5.0
±
0.25
V, Vee = -5.2
±
0.26
V, Vtt = 3.3
±
0.16
Tc = 0 to 75°C
-5-
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