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QPro Virtex-II 1.5V Military QML Platform FPGAs
50
www.xilinx.com
1-800-255-7778
DS122 (v1.1) January 7, 2004
Product Specification
R
LDT Differential Signal DC Specifications (LDT_25)
LVDS DC Specifications (LVDS_33 and LVDS_25)
Extended LVDS DC Specifications
(LVDSEXT_33 and LVDSEXT_25)
Table 37:
LDT DC Specifications
DC Parameter
Symbol
Conditions
Min
Typ
Max
Units
Differential Output Voltage
V
OD
V
OD
V
OCM
V
OCM
V
ID
V
ID
V
ICM
V
ICM
R
T
= 100
across Q and Q signals
500
600
700
mV
Change in V
OD
Magnitude
Output Common Mode Voltage
–
15
15
mV
R
T
= 100
across Q and Q signals
560
600
640
mV
Change in V
OS
Magnitude
Input Differential Voltage
–
15
15
mV
200
600
1000
mV
Change in V
ID
Magnitude
Input Common Mode Voltage
–
15
15
mV
500
600
700
mV
Change in V
ICM
Magnitude
–
15
15
mV
Table 38:
LVDS DC Specifications
DC Parameter
Symbol
Conditions
Min
Typ
Max
Units
Supply Voltage
V
CCO
3.3 or 2.5
V
Output High Voltage for Q and Q
V
OH
R
T
= 100
across Q and Q signals
1.575
V
Output Low Voltage for Q and Q
V
OL
R
T
= 100
across Q and Q signals
0.925
V
Differential Output Voltage (Q – Q),
Q = High (Q – Q), Q = High
V
ODIFF
R
T
= 100
across Q and Q signals
250
350
400
mV
Output Common-Mode Voltage
V
OCM
R
T
= 100
across Q and Q signals
1.125
1.2
1.375
V
Differential Input Voltage (Q – Q),
Q = High (Q – Q), Q = High
V
IDIFF
Common-mode input voltage = 1.25 V
100
350
N/A
mV
Input Common-Mode Voltage
V
ICM
Differential input voltage =
±
350 mV
0.2
1.25
V
CCO
– 0.5
V
Table 39:
Extended LVDS DC Specifications
DC Parameter
Symbol
Conditions
Min
Typ
Max
Units
Supply Voltage
V
CCO
3.3 or 2.5
V
Output High voltage for Q and Q
V
OH
R
T
= 100
across Q and Q signals
1.785
V
Output Low voltage for Q and Q
V
OL
R
T
= 100
across Q and Q signals
0.705
V
Differential output voltage (Q – Q),
Q = High (Q – Q), Q = High
V
ODIFF
R
T
= 100
across Q and Q signals
440
820
mV
Output common-mode voltage
V
OCM
R
T
= 100
across Q and Q signals
1.125
1.200
1.375
V
Differential input voltage (Q – Q),
Q = High (Q – Q), Q = High
V
IDIFF
Common-mode input voltage = 1.25 V
100
350
N/A
mV
Input common-mode voltage
V
ICM
Differential input voltage =
±
350 mV
0.2
1.25
V
CCO
– 0.5
V
ds122_1_1.fm Page 50 Wednesday, January 7, 2004 9:15 PM