(def-device "abt16501"
  (package widebus
	   (technology SMD)
	   (symbol ssop56)
	   (class IC)
	   (pincount 56)
	   (pins 

	    (27 oeba_l)
	    (1 oeab)
	    (2 leab)
	    (28 leba)
	    (55 clkab)
	    (30 clkba)
	    
	    (3 a<0>)
	    (5 a<1>)
	    (6 a<2>)
	    (8 a<3>)
	    (9 a<4>)
	    (10 a<5>)
	    (12 a<6>)
	    (13 a<7>)
	    (14 a<8>)
	    (15 a<9>)
	    (16 a<10>)
	    (17 a<11>)
	    (19 a<12>)
	    (20 a<13>)
	    (21 a<14>)
	    (23 a<15>)
	    (24 a<16>)
	    (26 a<17>)
	    
	    (54 b<0>)
	    (52 b<1>)
	    (51 b<2>)
	    (49 b<3>)
	    (48 b<4>)
	    (47 b<5>)
	    (45 b<6>)
	    (44 b<7>)
	    (43 b<8>)
	    (42 b<9>)
	    (41 b<10>)
	    (40 b<11>)
	    (38 b<12>)
	    (37 b<13>)
	    (36 b<14>)
	    (34 b<15>)
	    (33 b<16>)
	    (31 b<17>)
	    )
	   (ground-pins 4 11 18 25 29 32 39 46 53 56)
	   (power-pins 7 22 35 50)
	   )
  )