Approved Optics Approved IBM 88Y6842 - Manual (Page 2)

88Y6842-A
1000Base-ZX Module
1550nm, 70km, SMF, LC RoHS6
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Approved Optics, Inc. www.ApprovedOptics.com Page 2 of 5
Absolute Maximum Ratings
Parameter Symbol Min. Max. Unit
Storage Temperature TST -40 +85 °C
Supply Voltage VCC -0.5 3.6 V
Recommended Operating Conditions
Parameter Symbol Min. Typical Max. Unit
Operating Case Temperature TOP 0 +70 °C
Power Supply Voltage VCC 3.15 3.3 3.45 V
Power Supply Current ICC 300 mA
Surge Current ISurge +30 mA
Baud Rate 1.25 GBaud
Performance Specifications - Electrical
Parameter Symbol Min. Typ. Max Unit
Notes
TRANSMITTER
LVPECL
Inputs(Differential)
Vin 400 2500 mVp
AC coupled inputs
Input Impedance
(Differential)
Zin 85 100 115 ohms
Rin > 100 kohms
@ DC
Tx_DISABLE Input
Voltage - High
2 3.45 V
Tx_DISABLE Input
Voltage -Low
0 0.8 V
Tx_FAULT Output
Voltage -- High
2 Vcc+0.3 V
Io = 400μA; Host
Vcc
Tx_FAULT Output
Voltage --Low
0 0.5 V Io = -4.0mA
RECEIVER
LVPECL Outputs
(Differential)
Vout 400 800 1200 mVpp
AC coupled
outputs
Output Impedance
(Differential)
Zout 85 100 115 ohms
Rx_LOS Output
Voltage - High
2 Vcc+0.3 V
lo = 400μA; Host
Vcc
Rx_LOS Output
Voltage -Low
0 0.8 V lo = -4.0mA