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DS680 Datasheet, PDF (5/36 Pages) Xilinx, Inc – Space-Grade Virtex-4QV FPGAs
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Space-Grade Virtex-4QV FPGAs: DC and Switching Characteristics
LDT DC Specifications (LDT_25)
Table 8: LDT DC Specifications
Symbol
DC Parameter
Conditions
VCCO
VOD
Δ VOD
VOCM
Δ VOCM
VID
Δ VID
VICM
Δ VICM
Supply Voltage
Differential Output Voltage(1,2)
Change in VOD Magnitude
Output Common Mode Voltage
Change in VOCM Magnitude
Input Differential Voltage
Change in VID Magnitude
Input Common Mode Voltage
Change in VICM Magnitude
RT = 100Ω across Q and Q signals
RT = 100Ω across Q and Q signals
Notes:
1. Recommended input maximum voltage not to exceed VCC0 + 0.2V.
2. Recommended input minimum voltage not to go below –0.5V.
LVDS DC Specifications (LVDS_25)
Table 9: LVDS DC Specifications
Symbol
DC Parameter
Conditions
VCCO
VOH
VOL
VODIFF
Supply Voltage
Output High Voltage for Q and Q
Output Low Voltage for Q and Q
Differential Output Voltage(1,2) (Q – Q),
Q = High (Q – Q), Q = High
RT = 100Ω across Q and Q signals
RT = 100Ω across Q and Q signals
RT = 100Ω across Q and Q signals
VOCM
VIDIFF
Output Common-Mode Voltage
Differential Input Voltage (Q – Q),
Q = High (Q – Q), Q = High
RT = 100Ω across Q and Q signals
VICM Input Common-Mode Voltage
Notes:
1. Recommended input maximum voltage not to exceed VCC0 + 0.2V.
2. Recommended input minimum voltage not to go below –0.5V.
Extended LVDS DC Specifications (LVDSEXT_25)
Table 10: Extended LVDS DC Specifications
Symbol
DC Parameter
Conditions
VCCO
VOH
VOL
VODIFF
Supply Voltage
Output High Voltage for Q and Q
Output Low Voltage for Q and Q
Differential Output Voltage (Q – Q),
Q = High (Q – Q), Q = High
RT = 100Ω across Q and Q signals
RT = 100Ω across Q and Q signals
RT = 100Ω across Q and Q signals
VOCM
VIDIFF
Output Common-Mode Voltage
Differential Input Voltage(1,2) (Q – Q),
Q = High (Q – Q), Q = High
RT = 100Ω across Q and Q signals
Common-mode input voltage = 1.25V
VICM Input Common-Mode Voltage
Differential input voltage = ±350 mV
Notes:
1. Recommended input maximum voltage not to exceed VCC + 0.2V.
2. Recommended input minimum voltage not to go below –0.5V.
Min Typ Max Units
2.38 2.5 2.63
V
495
600
750
mV
–15
15
mV
495
600
715
mV
–15
15
mV
200 600 1000 mV
–15
15
mV
440
600
780
mV
–15
15
mV
Min
2.38
0.898
247
1.100
100
0.3
Typ
2.5
350
1.250
350
1.2
Max
2.63
1.602
550
1.375
600
2.2
Units
V
V
V
mV
V
mV
V
Min
2.38
–
0.715
380
1.000
100
0.3
Typ
2.5
–
–
–
1.250
–
1.2
Max
2.63
1.785
–
820
1.375
1000
2.2
Units
V
V
V
mV
V
mV
V
DS680 (v2.0) April 12, 2010
www.xilinx.com
Product Specification
5