XC2C512 CoolRunner-II CPLD
DS096 (v3.2) March 8, 2007 www.xilinx.com 5
Product Specification
R
Schmitt Trigger Input DC Voltage Specifications
SSTL2-1 DC Voltage Specifications
SSTL3-1 DC Voltage Specifications
V
OH
High level output voltage I
OH
= –8 mA, V
CCIO
= 1.4V V
CCIO
– 0.45 - V
I
OH
= –0.1 mA, V
CCIO
= 1.4V V
CCIO
– 0.2 - V
V
OL
Low level output voltage I
OL
= 8 mA, V
CCIO
= 1.4V - 0.4 V
I
OL
= 0.1 mA, V
CCIO
= 1.4V - 0.2 V
Notes:
1. Hysteresis used on 1.5V inputs.
Symbol Parameter Test Conditions Min. Max. Units
V
CCIO
Input source voltage 1.4 3.9 V
V
T+
Input hysteresis threshold voltage 0.5 x V
CCIO
0.8 x V
CCIO
V
V
T-
0.2 x V
CCIO
0.5 x V
CCIO
V
Symbol Parameter Test Conditions Min. Typ Max. Units
V
CCIO
Input source voltage 2.3 2.5 2.7 V
V
REF
(1)
Input reference voltage 1.15 1.25 1.35 V
V
TT
(2)
Termination voltage V
REF
– 0.04 1.25 V
REF
+ 0.04 V
V
IH
High level input voltage V
REF
+ 0.18 - 3.9 V
V
IL
Low level input voltage –0.3 - V
REF
– 0.18 V
V
OH
High level output voltage I
OH
= –8 mA, V
CCIO
= 2.3V V
CCIO
– 0.62 - - V
V
OL
Low level output voltage I
OL
= 8 mA, V
CCIO
= 2.3V - - 0.54 V
Notes:
1. V
REF
should track the variations in V
CCIO
, also peak to peak AC noise on V
REF
may not exceed ±2% V
REF
2. V
TT
of transmitting device must track V
REF
of receiving devices
Symbol Parameter Test Conditions Min. Typ Max. Units
V
CCIO
Input source voltage 3.0 3.3 3.6 V
V
REF
(1)
Input reference voltage 1.3 1.5 1.7 V
V
TT
(2)
Termination voltage V
REF
– 0.05 1.5 V
REF
+ 0.05 V
V
IH
High level input voltage V
REF
+ 0.2 - V
CCIO
+ 0.3 V
V
IL
Low level input voltage –0.3 - V
REF
– 0.2 V
V
OH
High level output voltage I
OH
= –8 mA, V
CCIO
= 3V V
CCIO
– 1.1 - - V
V
OL
Low level output voltage I
OL
= 8 mA, V
CCIO
= 3V - - 0.7 V
Notes:
1. V
REF
should track the variations in V
CCIO
, also peak to peak AC noise on V
REF
may not exceed ±2% V
REF
2. V
TT
of transmitting device must track V
REF
of receiving devices
Symbol Parameter Test Conditions Min. Max. Units