XC3S50AN-4TQ144I Xilinx Inc, XC3S50AN-4TQ144I Datasheet - Page 29

• Manufacturer Part Number: XC3S50AN-4TQ144I
• Description: IC FPGA SPARTAN 3AN 144TQFP
• Manufacturer: Xilinx Inc
• Series: Spartan™-3ANr

Specifications of XC3S50AN-4TQ144I

• Number Of Logic Elements/cells: 1584
• Number Of Labs/clbs: 176
• Total Ram Bits: 55296
• Number Of I /o: 108
• Number Of Gates: 50000
• Voltage - Supply: 1.14 V ~ 1.26 V
• Mounting Type: Surface Mount
• Operating Temperature: -40°C ~ 100°C
• Package / Case: 144-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Table 23: Setup and Hold Times for the IOB Input Path (Cont’d)
Table 24: Sample Window (Source Synchronous)
DS557 (v4.1) April 1, 2011
Product Specification
Notes:
1.
2.
3.
T
Set/Reset Pulse Width
T
Symbol
T
IOICKPD
RPW_IOB
SAMP
Symbol
The numbers in this table are tested using the methodology presented in
Table 10
This setup time requires adjustment whenever a signal standard other than LVCMOS25 is assigned to the data Input. If this is true, add the
appropriate Input adjustment from
These hold times require adjustment whenever a signal standard other than LVCMOS25 is assigned to the data Input. If this is true, subtract
the appropriate Input adjustment from
edge.
Setup and hold
capture window of
an IOB flip-flop.
and
Description
Time from the active transition at the
ICLK input of the Input Flip-Flop (IFF)
to the point where data must be held
at the Input pin. The Input Delay is
programmed.
Minimum pulse width to SR control
input on IOB
Table
13.
Description
The input capture sample window value is highly specific to a particular application, device,
package, I/O standard, I/O placement, DCM usage, and clock buffer. Please consult the
appropriate Xilinx Answer Record for application-specific values.
• Answer Record
Table
Table
26.
26. When the hold time is negative, it is possible to change the data before the clock’s active
30879
LVCMOS25
Conditions
www.xilinx.com
Spartan-3AN FPGA Family: DC and Switching Characteristics
–
(3)
Table 30
Maximum
DELAY_
VALUE
IFD_
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
–
and are based on the operating conditions set forth in
XC3S400AN
XC3S700AN
XC3S1400AN
All
Device
–1.12
–1.70
–2.08
–2.38
–2.23
–2.69
–3.08
–3.35
–1.67
–2.27
–2.59
–2.92
–2.89
–3.22
–3.52
–3.81
–1.60
–2.06
–2.46
–2.86
–2.88
–3.24
–3.55
–3.89
1.33
Min
Speed Grade
-5
–1.12
–1.70
–2.08
–2.38
–2.23
–2.69
–3.08
–3.35
–1.67
–2.27
–2.59
–2.92
–2.89
–3.22
–3.52
–3.81
–1.60
–2.06
–2.46
–2.86
–2.88
–3.24
–3.55
–3.89
1.61
Min
-4
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ps
29