XC3S502 Xilinx Corp., XC3S502 Datasheet - Page 92
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XC3S502
Manufacturer Part Number
XC3S502
Description
Spartan-3 Fpga Family Complete Data Sheet
Manufacturer
Xilinx Corp.
Datasheet
1.XC3S502.pdf
(208 pages)
- Current page: 92 of 208
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Spartan-3 FPGA Family: DC and Switching Characteristics
Configuration and JTAG Timing
Table 64: Power-On Timing and the Beginning of Configuration
92
Notes:
1.
2.
3.
The numbers in this table are based on the operating conditions set forth in
V
Power-on reset and the clearing of configuration memory occurs during this period.
This specification applies only for the Master Serial and Master Parallel modes.
CCINT
Symbol
T
T
T
T
ICCK
POR
T
PROG
V
V
V
PROG_B
INIT_B
CCLK
PL
Notes:
1.
2.
3.
INIT
(Supply)
(Supply)
(Supply)
(Input)
(Open-Drain)
(Output)
CCINT
CCAUX
CCO
(2)
, V
(2)
(3)
The V
The Low-going pulse on PROG_B is optional after power-on but necessary for reconfiguration without a power cycle.
The rising edge of INIT_B samples the voltage levels applied to the mode pins (M0 - M2).
CCO
Bank 4
, and V
CCINT
The time from the application of V
Bank 4 supply voltage ramps (whichever occurs last) to the
rising transition of the INIT_B pin
The width of the low-going pulse on the PROG_B pin
The time from the rising edge of the PROG_B pin to the
rising transition on the INIT_B pin
Minimum Low pulse width on INIT_B output
The time from the rising edge of the INIT_B pin to the
generation of the configuration clock signal at the CCLK
output pin
, V
Figure 34: Waveforms for Power-On and the Beginning of Configuration
CCAUX
CCAUX
lines.
, and V
CCO
1.0V
2.0V
1.0V
supplies may be applied in any order.
Description
CCINT
T
T
www.xilinx.com
POR
PROG
, V
CCAUX
, and V
T
PL
CCO
Table
XC3S50
XC3S200
XC3S400
XC3S1000
XC3S1500
XC3S2000
XC3S4000
XC3S5000
All
XC3S50
XC3S200
XC3S400
XC3S1000
XC3S1500
XC3S2000
XC3S4000
XC3S5000
All
All
T
31. This means power must be applied to all
ICCK
Device
All Speed Grades
Min
250
0.3
0.5
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
DS099-3 (v2.2) May 25, 2007
DS099-3_03_120604
Product Specification
Max
4.0
5
5
5
5
7
7
7
7
2
2
2
2
3
3
3
3
-
-
1.2V
2.5V
Units
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
μs
μs
ns
R
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