XC3S250E Xilinx, Inc., XC3S250E Datasheet - Page 141

• Manufacturer Part Number: XC3S250E
• Description: Spartan-3E FPGA Family
• Manufacturer: Xilinx, Inc.

Pinout Descriptions
TQ144 Footprint
Note pin 1 indicator in top-left corner and logo orientation.
Double arrows (
20
20
21
2
0
I/O: Unrestricted,
general-purpose user I/O
INPUT: Unrestricted,
general-purpose input pin
CONFIG: Dedicated
configuration pins
N.C.: Not connected
IO_L02N_3/VREF_3
IO_L04N_3/LHCLK1
IO_L06N_3/LHCLK5
IO_L07N_3/LHCLK7
IO_L04P_3/LHCLK0
IO_L05P_3/LHCLK2
IO_L05N_3/LHCLK3
IO_L07P_3/LHCLK6
IO_L06P_3/LHCLK4
(
) IO/VREF_3 31
IO_L01P_3
IO_L01N_3
IO_L02P_3
IO_L03P_3
IO_L03N_3
IO_L08P_3 25
IO_L08N_3 26
IO_L09P_3 32
IO_L09N_3 33
IO_L10P_3 34
IO_L10N_3 35
IP/VREF_3 12
PROG_B
VCCAUX 30
VCCO_3 13
VCCO_3 28
(
(
VCCINT
) indicates a pinout migration difference
GND
GND
GND
) IP 10
) IP 29
IP
IP 18
IP 24
IP 36
11
14
15
16
17
19
20
21
22
23
27
1
2
3
4
5
6
7
8
9
Figure 4: TQ144 Package Production Footprint (top view)
42
16
13
4
DUAL: Configuration pin, then
possible user I/O
GCLK: User I/O, input, or
global buffer input
JTAG: Dedicated JTAG port
pins
GND: Ground
www.xilinx.com
Bank 0
Bank 2
between the XC3S100E and XC3S250E. Engineering sam-
ple footprint is slightly different.
9
9
4
4
VREF: User I/O or input
voltage reference for bank
VCCO: Output voltage supply
for bank
VCCINT: Internal core supply
voltage (+1.2V)
VCCAUX: Auxiliary supply
voltage (+2.5V)
Advance Product Specification
DS312-4 (v1.1) March 21, 2005
108
107 IP
106 IO_L10N_1/LDC2
105 IO_L10P_1/LDC1
104 IO_L09N_1/LDC0
103 IO_L09P_1/HDC
102 VCCAUX
101 IP
100 VCCO_1
99
98 IO/A0
97 IO_L08N_1/A1
96 IO_L08P_1/A2
95 IP/VREF_1
94
93
92
91
90
89 IP
88
87
86
85
84 IP
83 IO/VREF_1
82 IO_L03N_1/A11
81 IO_L03P_1/A12
80
79 VCCO_1
78 IP
77 IO_L02N_1/A13
76 IO_L02P_1/A14
75 IO_L01N_1/A15
74 IO_L01P_1/A16
73
TMS
GND
IO_L07N_1/A3/RHCLK7
IO_L07P_1/A4/RHCLK6
IO_L06N_1/A5/RHCLK5
IO_L06P_1/A6/RHCLK4
GND
IO_L05N_1/A7/RHCLK3
IO_L05P_1/A8/RHCLK2
IO_L04N_1/A9/RHCLK1
IO_L04P_1/A10/RHCLK0
VCCINT
GND
DS312-4_01_030705
R