No. 7545-5/52
LC74735NW
Continued from preceding page.
Pin No.
Symbol
Type
Functional description
41
D11
Data input 11
ROM data input 11. MORE+
42
D10
Data input 10
ROM data input 10. MORE+
43
D9
Data input 9
ROM data input 9. MORE+
44
D8
Data input 8
ROM data input 8. MORE+
45
VSS1
Ground
Connect a ground to this pin. (Digital system ground)
46
VDD1
Power supply (+3.3 V)
Power supply: (+3.3 V: Digital system)
47
D7
Data input 7
ROM data input 7. MORE+
48
D6
Data input 6
ROM data input 6. MORE+
49
D5
Data input 5
ROM data input 5. MORE+
50
D4
Data input 4
ROM data input 4. MORE+
51
D3
Data input 3
ROM data input 3. MORE+
52
D2
Data input 2
ROM data input 2. MORE+
53
D1
Data input 1
ROM data input 1. MORE+
54
D0
Data input 0
ROM data input 0. MORE+
55
VSS3
Ground
Connect a ground to this pin. (External ROM output system ground)
56
VDD3
Power supply (+3.3 or +5.5 V)
Power supply (External ROM output system power supply)
57
OE
Output enable
ROM output enable output. This is an active low output.
58
CE
Chip enable
ROM chip enable output. This is an active low output.
59
A17
Address output 17
ROM address output 17
60
A16
Address output 16
ROM address output 16
61
A15
Address output 15
ROM address output 15
62
A14
Address output 14
ROM address output 14
63
A13
Address output 13
ROM address output 13
64
A12
Address output 12
ROM address output 12
65
A11
Address output 11
ROM address output 11
66
A10
Address output 10
ROM address output 10
67
A9
Address output 9
ROM address output 9
68
A8
Address output 8
ROM address output 8
69
VSS3
Ground
Connect a ground to this pin. (External ROM output system ground)
70
VDD3
Power supply (+3.3 or +5.5 V)
Power supply (External ROM output system power supply)
71
A7
Address output 7
ROM address output 7
72
A6
Address output 6
ROM address output 6
73
A5
Address output 5
ROM address output 5
74
A4
Address output 4
ROM address output 4
75
A3
Address output 3
ROM address output 3
76
A2
Address output 2
ROM address output 2
77
A1
Address output 1
ROM address output 1
78
A0
Address output 0
ROM address output 0
79
VSS3
Ground
Connect a ground to this pin. (External ROM output system ground)
80
VDD3
Power supply (+3.3 or +5.5 V)
Power supply (External ROM output system power supply)