Datasheet

Spartan-7 FPGAs Data Sheet: DC and AC Switching Characteristics
DS189 (v1.2) June 20, 2017 www.xilinx.com
Preliminary Product Specification 10
LVDS DC Specifications (LVDS_25)
Table 11: LVDS_25 DC Specifications
(1)
Symbol DC Parameter Conditions Min Typ Max Units
V
CCO
Supply voltage. 2.375 2.500 2.625 V
V
OH
Output High voltage for Q and Q.R
T
=100Ω across Q and Q signals. – – 1.675 V
V
OL
Output Low voltage for Q and Q.R
T
=100Ω across Q and Q signals. 0.700 – – V
V
ODIFF
Differential output voltage:
(Q – Q
), Q = High
(Q
– Q), Q =High
R
T
=100Ω across Q and Q signals. 247 350 600 mV
V
OCM
Output common-mode voltage. R
T
= 100Ω across Q and Q signals. 1.000 1.250 1.425 V
V
IDIFF
Differential input voltage:
(Q – Q
), Q = High
(Q
– Q), Q =High
100 350 600 mV
V
ICM
Input common-mode voltage. 0.300 1.200 1.500 V
Notes:
1. Differential inputs for LVDS_25 can be placed in banks with V
CCO
levels that are different from the required level for outputs. Consult the
7 Series FPGAs SelectIO Resources User Guide (UG471) [Ref 2] for more information.