xa3s100e Xilinx Corp., xa3s100e Datasheet - Page 19
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xa3s100e
Manufacturer Part Number
xa3s100e
Description
Xa Spartan-3e Automotive Fpga Family Data Sheet
Manufacturer
Xilinx Corp.
Datasheet
1.XA3S100E.pdf
(36 pages)
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Table 20: Test Methods for Timing Measurement at I/Os
DS635 (v1.1) January 20, 2009
Product Specification
Notes:
1.
2.
3.
Single-Ended
LVTTL
LVCMOS33
LVCMOS25
LVCMOS18
LVCMOS15
LVCMOS12
PCI33_3
PCIX
HSTL_I_18
HSTL_III_18
SSTL18_I
SSTL2_I
Differential
LVDS_25
BLVDS_25
MINI_LVDS_25
LVPECL_25
RSDS_25
DIFF_HSTL_I_18
DIFF_HSTL_III_18
DIFF_SSTL18_I
DIFF_SSTL2_I
Descriptions of the relevant symbols are as follows:
V
V
V
V
V
R
V
The load capacitance (C
According to the PCI specification.
Signal Standard
REF
ICM
M
L
H
T
T
(IOSTANDARD)
– Low-level test voltage at Input pin
– Effective termination resistance, which takes on a value of 1MΩ when no parallel termination is required
– Termination voltage
– High-level test voltage at Input pin
– Voltage of measurement point on signal transition
– The common mode input voltage
– The reference voltage for setting the input switching threshold
R
Rising
Falling
Rising
Falling
L
) at the Output pin is 0 pF for all signal standards.
V
REF
1.25
1.25
0.9
1.1
0.9
0.9
1.1
0.9
-
-
-
-
-
-
-
-
-
-
-
-
-
(V)
V
V
V
V
V
V
V
V
V
V
V
V
V
ICM
ICM
ICM
REF
REF
REF
REF
REF
REF
REF
REF
ICM
ICM
Note 3
Note 3
V
Inputs
L
– 0.125
– 0.125
– 0.125
0
0
0
0
0
0
– 0.75
(V)
– 0.3
– 0.1
– 0.5
– 0.5
– 0.5
– 0.5
– 0.5
– 0.5
– 0.5
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V
V
V
V
V
V
V
V
V
V
V
V
V
ICM
ICM
ICM
REF
REF
REF
REF
REF
REF
REF
REF
ICM
ICM
Note 3
Note 3
V
H
3.3
3.3
2.5
1.8
1.5
1.2
+ 0.125
+ 0.125
+ 0.125
+ 0.75
(V)
+ 0.3
+ 0.1
+ 0.5
+ 0.5
+ 0.5
+ 0.5
+ 0.5
+ 0.5
+ 0.5
R
T
1M
1M
1M
1M
1M
1M
1M
1M
25
25
25
25
50
50
50
50
50
50
50
50
50
50
50
(Ω)
Outputs
V
1.25
1.25
T
3.3
3.3
0.9
1.8
0.9
1.2
1.2
1.2
0.9
1.8
0.9
0
0
0
0
0
0
0
0
0
0
(V)
Inputs and
Outputs
V
V
V
V
V
V
V
V
V
V
V
V
V
V
1.65
1.25
0.75
0.94
2.03
0.94
2.03
M
1.4
0.9
0.6
REF
REF
REF
REF
REF
REF
REF
REF
ICM
ICM
ICM
ICM
ICM
(V)
19