XC4000 Series Field Programmable Gate Arrays
4-178 September 18, 1996 (Version 1.04)
Note: This table includes standard user-programmable I/O. It also includes the TDI, TCK, and TMS pins, which can function as
user-programmable I/O if not used for boundary scan. In addition to the I/O listed in this table, the M0 and M2 pins can be
used as inputs only; the M1 and TDO pins can be used as outputs only. All of these pins must be called out using special
library symbols. The XACT software does not use them by default. (See Table 18 on page 47.)
Note: This table includes standard user-programmable I/O. It also includes the TDI, TCK, and TMS pins, which can function as
user-programmable I/O if not used for boundary scan. In addition to the I/O listed in this table, the M0 and M2 pins can be
used as inputs only; the M1 and TDO pins can be used as outputs only. All of these pins must be called out using special
library symbols. The XACT software does not use them by default. (See Table 18 on page 47.)
Table 29: Maximum User I/O for XC4000EX Device/Package Combinations
No. of Pins Package (Code) XC4028EX XC4036EX XC4044EX
Maximum User I/O 256 288 320
208 HQFP (HQ) 160
240 HQFP (HQ) 193
299 PGA (PG) 256
304 HQFP (HQ) 256 256
352 BGA (BG) 256
411 PGA (PG) 288 320
432 BGA (BG)
288 320
Table 30: Maximum User I/O for XC4000L and XC4000XL Device/Package Combinations
No. of
Pins
Package
(Code)
XC4005L XC4010L XC4013L XC4028XL XC4036XL XC4044XL XC4052XL XC4062XL
Maximum User I/O 112 160 192 256 288 320 352 384
84 PLCC (PC) 61 61
176 TQFP (TQ) 153
208 PQFP (PQ) 112 160 160
208 HQFP (HQ) 160
225 BGA (BG) 192
240 PQFP (PQ) 192
240 HQFP (HQ) 193
299 PGA (PG) 256
304 HQFP (HQ) 256 256
352 BGA (BG) 256
411 PGA (PG) 288 320 352
432 BGA (BG) 288 320 352
475 PGA (PG) 384
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