XC3S400-4PQ208C Xilinx Inc, XC3S400-4PQ208C Datasheet - Page 50

• Manufacturer Part Number: XC3S400-4PQ208C
• Description: IC SPARTAN-3 FPGA 400K 208PQFP
• Manufacturer: Xilinx Inc
• Series: Spartan™-3r

Specifications of XC3S400-4PQ208C

• Number Of Logic Elements/cells: 8064
• Number Of Labs/clbs: 896
• Total Ram Bits: 294912
• Number Of I /o: 141
• Number Of Gates: 400000
• Voltage - Supply: 1.14 V ~ 1.26 V
• Mounting Type: Surface Mount
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 208-BFQFP
• Other names: Q2844431; XC3S4004PQ208C; XC3S4004PQ208C

Spartan-3 FPGA Family: Functional Description
50
54
Figure 27: Configuration Flow Diagram for the Serial and Parallel Modes
No
No
and V
Sample mode pins
Clear configuration
Load configuration
INIT_ B = High?
and V
Reconfigure?
data frames
V
Yes
User mode
Power-On
CCO
Yes
sequence
Yes
Start-Up
CCINT
correct?
memory
CCAUX
CRC
Bank 4 > 1V
>1V
> 2V
www.xilinx.com
Yes
No
No
Yes
Set PROG_B Low
after Power-On
PROG_B = Low
INIT_B goes Low.
Abort Start-Up
No
DS099_26_041103
DS099-2 (v2.5) December 4, 2009
Product Specification
R