XC3S400-4PQ208C Xilinx Inc, XC3S400-4PQ208C Datasheet - Page 115

• 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

Table 78: Pin Behavior After Power-Up, During Configuration (Continued)
DS099-4 (v2.5) December 4, 2009
Product Specification
IO_Lxxy_#/
D5
IO_Lxxy_#/
D6
IO_Lxxy_#/
D7
IO_Lxxy_#/
CS_B
IO_Lxxy_#/
RDWR_B
IO_Lxxy_#/
BUSY/DOUT
DUAL: Dual-purpose configuration pins (INIT_B has a pull-up resistor to VCCO_4 or VCCO_BOTTOM always active
during configuration, regardless of HSWAP_EN pin)
IO_Lxxy_#/
INIT_B
DCI: Digitally Controlled Impedance reference resistor input pins
IO_Lxxy_#/
VRN_#
IO/VRN_#
IO_Lxxy_#/
VRP_#
IO/VRP_#
GCLK: Global clock buffer inputs
IO_Lxxy_#/
GCLK0 through
GCLK7
VREF: I/O bank input reference voltage pins
IO_Lxxy_#/
VREF_#
IO/VREF_#
CONFIG: Dedicated configuration pins (pull-up resistor to VCCAUX always active during configuration, regardless of
HSWAP_EN pin)
CCLK
PROG_B
DONE
M2
Pin Name
R
INIT_B (I/OD)
DONE (I/OD)
PROG_B (I)
CCLK (I/O)
DOUT (O)
M2=0 (I)
(pull-up)
<0:0:0>
Master
Serial Modes
INIT_B (I/OD)
DONE (I/OD)
PROG_B (I)
Configuration Mode Settings <M2:M1:M0>
DOUT (O)
CCLK (I)
(pull-up)
M2=1 (I)
<1:1:1>
Slave
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INIT_B (I/OD)
DONE (I/OD)
RDWR_B (I)
PROG_B (I)
CCLK (I/O)
SelectMap Parallel Modes
BUSY (O)
CS_B (I)
(pull-up)
M2=0 (I)
D5 (I/O)
D6 (I/O)
D7 (I/O)
<0:1:1>
Master
INIT_B (I/OD)
DONE (I/OD)
RDWR_B (I)
PROG_B (I)
BUSY (O)
CS_B (I)
CCLK (I)
(pull-up)
M2=1 (I)
D5 (I/O)
D6 (I/O)
D7 (I/O)
<1:1:0>
Spartan-3 FPGA Family: Pinout Descriptions
Slave
Via JPROG_B
DONE (I/OD)
PROG_B (I),
JTAG Mode
instruction
M2=1 (I)
<1:0:1>
Configuration
ConfigRate
UnusedPin
UnusedPin
UnusedPin
UnusedPin
UnusedPin
UnusedPin
UnusedPin
UnusedPin
UnusedPin
UnusedPin
UnusedPin
UnusedPin
UnusedPin
UnusedPin
Bitstream
DriveDone
DonePipe
DonePin
ProgPin
CclkPin
Option
Persist
Persist
Persist
Persist
Persist
Persist
M2Pin
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