User`s guide

Table 5–2 (Cont.) Major Board Component Descriptions
Number Device Component Description
32, 33 U22, U23 74F08 AND gate
34 U30 PALCE22V10H–25JC, 28-pin PLCC, 25 ns
35 U29 74ACT244
36 U34 S82378ZB—208-pin PQFP, PCI-to-ISA bridge chip
37 U47 24-MHz crystal oscillator
38 U43 PC87312VF combination floppy disk controller
chip—100-pin PQFP
39, 41, 43 U48, U50, U52 SN75189 receiver
40, 42 U49, U51 SN75188 driver
44, 45 U44, U45 74F245 transceiver
46 U46 74F244 buffer/line driver
47, 48 U37, U38 IDC FCT805CT—20-pin SOIC
49 U39 AMCC S4402 PLL—28-pin PLCC
50 U40 TriQuint TQ2061—28-pin PLCC, PLL 500-MHz to
700-MHz output
51 U41 27.50-MHz crystal oscillator
Board Requirements and Parameters 5–5