https://e2e.ti.com/support/logic-group/logic/f/logic-forum/1062133/txb0304-txb0304
器件型号：TXB0304尊敬的 TI 团队：
我在 HSpice 中使用 IBIS 模型，遇到错误："**错误**(b_lvlshftd：15)缓冲器已通电，电压源连接到节点 pu，其中文件= txb0304.IBS，模型= io_33_os"
寻求正确的连接方式。
下面 是使用 ibis 模型的 hspice 模型、
谢谢、
Yng Yng
.option INGOLD=1 DCON=1 brief = 1 NOTOP NOOELCK post=1 *. option itl4=100 reltol=1e-2 禁欲=1e-6 gshunt=1e-10 cshunt=1e-11 method=gear
.option NUMDGT=6 *。option finesim_mode=spicemd finesim_print_period=10p finesim_output=tr0
.param data_rate = 33e+06 .param tbit='1/data_rate '.param vpAT_delay=0.8u
Vdata_in3p3 data_in_3p3 0 pat (0 3 'VPAT_DELAY '.1n .1n 'tbit' b111100101010000001110101010101010101010101010101100100001100110010000110010000110010000110010000110010000110010000110010000111001000011110000111111111111111111011111111101110111000011101110000111000011100001110000111011101110111011100001110000111000011101110000111000011100001110000111000001110000111000011100001110000111000011100001110000111000011100001110000111111111110000111000011101110000011100001111100001110000111111111000011100001111111110111000000011111011101110000111000000011111000011101110111011100000111000011100001110000111000011100000001110000111000011100001111
*b_io nd_pu nd_pd n_out n_in nd_en n_out_of_in [nd_PC nd_gc] b_lvlshftd txb0304_13_pu txb0304_6_pd txb0304_12_load data_in_3p3 txb0304_13_txb0304_0304_pu = txb0304_0304_033_bpu + tb0304_b0304_pu = tb0304_0304_pu + tb0304_b0304_pu pu + tb0304_b030
V_txb0304_13_pu txb0304_13_pu 0 3.3 V_txb0304_6_pd txb0304_6_pd 0
.probe v (txb0304_12_load).tran 1n 'VPAT_DELAY + 60*tbit' start='VPAT 延迟'
.end
