DC and Switching Characteristics
DS610-3 (v2.0) July 16, 2007 www.xilinx.com 19
Product Specification
R

External Termination Requirements for Differential I/O

LVDS, RSDS, MINI_LVDS, and PPDS I/O Standards

BLVDS_25 I/O Standard

TMDS_33 I/O Standard

Device DNA Data Retention, Read Endurance

Figure 5:

External Input Termination for LVDS, RSDS, MINI_LVDS, and PPDS I/O Standards
Z0 = 50Ω
Z0 = 50Ω100Ω
DS529-3_09_020107
a) Input-only differential pairs or pairs not using DIFF_TERM=Yes constraint
Z0 = 50Ω
Z0 = 50Ω
b) Differential pairs using DIFF_TERM=Yes constraintDIFF_TERM=NoDIFF_TERM=Yes
LVDS_33,
MINI_LVDS_33,
RSDS_33,
PPDS_33
LVDS_33, LVDS_25,
MINI_LVDS_33,
MINI_LVDS_25,
RSDS_33, RSDS_25,
PPDS_33, PPDS_25
CAT16-PT4F4Part Number / th of Bourns14
VCCO = 3.3V
LVDS_25,
MINI_LVDS_25,
RSDS_25,
PPDS_25
VCCO = 2.5V
LVDS_33,
MINI_LVDS_33,
RSDS_33,
PPDS_33
VCCO = 3.3V
LVDS_25,
MINI_LVDS_25,
RSDS_25,
PPDS_25
VCCO = 2.5V
No VCCO Restrictions R
LVDS_33,
MINI_LVDS_33,
RSDS_33,
PPDS_33
VCCO = 3.3V
LVDS_25,
MINI_LVDS_25,
RSDS_25,
PPDS_25
VCCO = 2.5V
DT
Bank 0
Bank 2
Bank 0
Bank 2
Bank 3
Bank 1
Bank 0 and 2 Any Bank

Figure 6:

External Termination Resistors for BLVDS_25 I/O Standard
Z0 = 50Ω
Z0 = 50Ω
140Ω165Ω165Ω100ΩVCCO = 2.5V No VCCO Requirement
DS529-3_07_020107
BLVDS_25 BLVDS_25
CAT16-LV4F12Part Number / th of Bourns14CAT16-PT4F4Part Number / th of Bourns14
Bank 0
Bank 2
Bank 3
Bank 1
Any Bank
Bank 0
Bank 2
Bank 3
Bank 1
Any Bank

Figure 7:

External Input Resistors Required for TMDS_33 I/O Standard
50ΩVCCO = 3.3VVCCAUX = 3.3V
DS529-3_08_020107DVI/HDMI cable
50Ω3.3V
TMDS_33 TMDS_33
Bank 0
Bank 2
Bank 0 and 2
Bank 0
Bank 2
Bank 3
Bank 1
Any Bank

Table 14:

Device DNA Identifier Memory Characteristics
Symbol Description Minimum Units
DNA_RETENTION Data retention, continuous usage 10 Years
DNA_CYCLES Number of READ operations or JTAG ISC_DNA read operations. Unaffected by
HOLD or SHIFT operations. 30,000,000 Read
cycles