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—TOP VIEW—
C-MOS FDC (FLOPPY DISK CONTROLLER)
S a t 49 GND a 50 .D 51 w 52 w w53 GND
54 55 56 57 58 59 60 61 62 63 64
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U 4 t
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om
HD63266F (1/3) IL00
VDD (+5V) VDD (+5V)
VDD (+5V) NC
GND GND
NC
NC
NC
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
VDD(+5V) GND GND
GND
GND
GND
PIN No. I/O 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 I I I I I I I I I — — I/O I/O I/O I/O I/O
SIGNAL 8" / 5" XTALSEL RESET E, RD R/W, WR CS DACK RS0 RS1 GND GND D0 D1 D2 D3 D4
PIN No. I/O 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
w
w
w
t a .D
I/O I/O I/O O O I — O — I I I I I I I
SIGNAL
S a
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PIN No.