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MF-27WTA-M01MA013 Datasheet(PDF) 6 Page - Mitsubishi Electric Semiconductor |
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MF-27WTA-M01MA013 Datasheet(HTML) 6 Page - Mitsubishi Electric Semiconductor |
6 / 9 page UQ9-04-006 Ed:1.0 Date:22.Dec.2004 Page 6 of 9 MITSUBISHI (OPTICAL DEVICES) MF-27WTA-M0xMAxxx 2.7Gb/s Multi-rate WDM Transmitter Pin assignment and description No. Symbol Description No. Symbol Description 1TEC_GND Ground for TEC 4) 24 VCC Positive power supply 2 BACK(+) 7) Monitoring for back facet PD current (Analog-output) 23 GND Ground 3LDA 7) Laser Degrade Alarm 5) (TTL-output) 22 CKI- False clock input 4SDC Shut Down Command 3) (TTL-input) 21 GND Ground 5 SELC Clock mode select 2) (TTL-input) 20 CKI+ True clock input 1) 6 GND Ground 4) 19 GND Ground 7TDA 6,7) Temperature Deviation Alarm (TTL-output) 18 DI- False data input 8 NUC No user connection 17 GND Ground 9 NUC No user connection 16 DI+ True data input 10 WSC 8) Wavelength Selection Command (TTL-input) 15 GND Ground 11 GND Ground 14 VTEC TEC supply voltage 12 NIC No Internal Connection 13 VCC Positive power supply 1) : The falling edge of CKI+ clock input signal is at the DI+ data eye pattern crossing point. 2) : When open (or low) the module operates in Clocked-mode. When high the module operates in Non-clocked-mode. 3) : When open (or low) the module is in the operating mode. When high the module is in the shut down mode (no optical output power). 4) : TEC_GND must be connected with GND. 5) : When provided a digital alarm indicates that the laser is degraded. The active level is a low level. 6) : Alarm indicating when the laser temperature exceeds the threshold level. The active level is a high level. 7) : BACK(+), LDA and TDA pin cannot drive capacitive load. Acceptable capacitance is less than 50pF. 8) : When open (or low) the module outputs wavelength 1. When high the module outputs wavelength 2. (See wavelength table.) |
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