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HDMP-1636A Datasheet, PDF (10/18 Pages) Agilent(Hewlett-Packard) – Gigabit Ethernet and Fibre Channel SerDes ICs
10
HDMP-1636A/1646A/T1636A (TRx)
AC Electrical Specifications
TA = 0°C to +70°C, VCC = 3.15 V to 3.45 V
Symbol
Parameter
tr,REFCLK
REFCLK Rise Time, 0.8 to 2.0 Volts
tf,REFCLK
REFCLK Fall Time, 2.0 to 0.8 Volts
t,TTLin
Input TTL Rise Time, 0.8 to 2.0 Volts
tf,TTLin
Input TTL Fall Time, 2.0 to 0.8 Volts
tr,TTLout
Output TTL Rise Time, 0.8 to 2.0 Volts, 10 pF Load
tf,TTLout
Output TTL Fall Time, 2.0 to 0.8 Volts, 10 pF Load
trs,HS_OUT
HS_OUT Single-Ended (+DOUT) Rise Time
tfs,HS_OUT
HS_OUT Single-Ended (+DOUT) Fall Time
trd,HS_OUT
HS_OUT Differential Rise Time
tfd,HS_OUT
HS_OUT Differential Fall Time
VIP,HS_IN
VOP,HS_OUT[1]
HS_IN Input Peak-to-Peak Differential Voltage
HS_OUT Output Peak-to-Peak Differential Voltage
Note:
1. Output Peak-to-Peak Differential Voltage specified as DOUT+ minus DOUT-.
Units
nsec
nsec
nsec
nsec
nsec
nsec
psec
psec
psec
psec
mV
mV
Min.
85
85
85
85
200
1200
Typ.
2
2
1.5
1.1
225
200
1200
1600
Max.
2.4
2.4
2.4
2.4
327
327
327
327
2000
2200
22.0680 ns
a. Differential HS_OUT Output (Dout+ Minus Dout-).
Yaxis = 400 mV/DIV
22.0680 ns
Yaxis = 200 mV/DIV
b. Single-Ended HS_OUT Output (Dout+).
Eye Diagrams of the High-Speed Serial Outputs from the HDMP-1636A/1646A/T1636A
as Captured on the 83480A Digital Communications Analyzer. Tested with PRBS = 27-1.
Figure 7. Transmitter DOUT Eye Diagrams.