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HDMP-2689 Datasheet, PDF (16/28 Pages) Agilent(Hewlett-Packard) – Quad 2.125/1.0625 GBd Fibre Channel General Purpose SerDes
Table 17. HDMP-2689 AC Electrical Specifications.
TC = 0°C to TC = 85°C, VDDQ = 2.3 to 2.7 V, VDD = 1.7 to 1.9 V, VDDA = 1.7 to 1.9 V
Symbol
Parameters
Units
Min
Typ
tr, RFCP/N
RFCP/N LVPECL input rise time, VIL, LVPECL to VIH, LVPECL
ns
1.5
tf,RFCP/N
RFCP/N LVPECL input fall time, VIH, LVPECL to VIL, LVPECL
ns
1.5
trd, HS_OUT [1, 5]
HS_OUT differential rise time, 20% to 80%
ps
150
tfd, HS_OUT [1, 5]
HS_OUT differential fall time, 80% to 20%
ps
150
tr,SSTL [2,3]
SSTL output rise time, VOL, SSTL to VOH, SSTL
ns
tf,SSTL [2,3]
SSTL output fall time, VOH, SSTL to VOL, SSTL
ns
VIP,HS_IN [4]
HS_IN input pk-pk differential voltage
V
0.3
VPK,HS_OUT [1, 5]
HS_OUT output pk-pk differential voltage, (Z0= 50Ω)[1]
V
725
880
VSustain,HS_OUT [1. 5] HS_OUT output sustain level differential voltage, (Z0= 50Ω)[1]
V
675
830
VIP, LVPECL
RFCP, RFCN input swing (single ended)
V
200
Notes:
1. Measured with 2 pF capacitive load.
2. See Figure 12 for test conditions.
3. SSTL_2 AC Input Signals meet JEDEC Standard No. JESD8-9A test conditions (minimum slew rate 1.0V/ns). See JEDEC Table 3.
4. Note LOS pin description.
5. Measured at default settings, maximum amplitude and medium peaking (11111011).
Max
2.3
1.5
1.6
1050
1000
VDDA
Table 18. HDMP-2689 Transmitter Section Output Jitter Characteristics.
TC = 0°C to TC = 85°C, VDDQ = 2.3 to 2.7 V, VDD = 1.7 to 1.9 V, VDDA = 1.7 to 1.9 V
Symbol
Parameters
Units
Min
Typ Max
RJ [1]
Random Jitter at TXnP/N (1s deviation of 50% crossing point)
ps
4
DJ [2]
Deterministic Jitter at TXnP/N (peak to peak), K28.5 +/K28.5- pattern
ps
10
DJ [3]
Deterministic Jitter at TXnP/N (peak to peak), CRPAT pattern
ps
15
TJ
Total Jitter (TJ=DJ+14*RJ) (K28.5 +/K28.5- pattern)
ps
66
J
Jitter Tolerance
Fibre Channel compliant
Notes:
1. Defined by Fibre Channel specifications X3.230 – 1994 FC-PH, Annex A section A4.4 (oscilloscope method) and tested using setup shown in Figure 20.
2. Defined by Fibre Channel specifications X3.230 – 1994 FC-PH, Annex A section A4.4 and tested using the set up shown in Figure 20.
3. Defined by Fibre Channel Technical Report “Methodologies for Jitter specifications,” Annex B, and tested using the set up shown in Figure 20.
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