PIC's

Part # Pins ROM RAM IO A/D Ser I2C Cost (25)
'509 8 1K 41 6 0 0 0 $1.01
'505 14 1K 72 12 0 0 0 $1.26
'672 8 2K 128 6 4 0 0 $1.94
'F84 18 1K 68 13 0 0 0 $3.94
'F628 18 2K 224 16 0 1 0 $2.21
'F876 28 8K 368 22 5 1 1 $5.49