LC-37XD1E/RU
5 – 22
15. IC4402: VHILCX573FT-1Y
Lutch 3-State output
16. IC4401: VHITCLCX245-2Y
Interactive Balance Tranceiver
17. IC4404: VHILCX244FT-1Y
Buffer/Line Driver
Pin No. Pin Name I/O Pin Function
1OE
I Output Enable.
2 D0 I Data Input D0.
3 D1 I Data Input D1.
4 D2 I Data Input D2.
5 D3 I Data Input D3.
6 D4 I Data Input D4.
7 D5 I Data Input D5.
8 D6 I Data Input D6.
9 D7 I Data Input D7.
10 GND - Ground.
11 LE I Limited Enable.
12 Q7 O Data Output Q7.
13 Q6 O Data Output Q6.
14 Q5 O Data Output Q5.
15 Q4 O Data Output Q4.
16 Q3 O Data Output Q3.
17 Q2 O Data Output Q2.
18 Q1 O Data Output Q1.
19 Q0 O Data Output Q0.
20 VCC - Power Source.
Pin No. Pin Name I/O Pin Function
1 DIR I Directory.
2 A1 I/O A-Bus. Output/Input Terminal A1.
3 A2 I/O A-Bus. Output/Input Terminal A2.
4 A3 I/O A-Bus. Output/Input Terminal A3.
5 A4 I/O A-Bus. Output/Input Terminal A4.
6 A5 I/O A-Bus. Output/Input Terminal A5.
7 A6 I/O A-Bus. Output/Input Terminal A6.
8 A7 I/O A-Bus. Output/Input Terminal A7.
9 A8 I/O A-Bus. Output/Input Terminal A8.
10 GND - Ground A9
11 B8 I/O B-Bus Input/Output Terminal B8.
12 B7 I/O B-Bus Input/Output Terminal B7.
13 B6 I/O B-Bus Input/Output Terminal B6.
14 B5 I/O B-Bus Input/Output Terminal B5
15 B4 I/O B-Bus Input/Output Terminal B4
16 B3 I/O B-Bus Input/Output Terminal B3
17 B2 I/O B-Bus Input/Output Terminal B2
18 B1 I/O B-Bus Input/Output Terminal B1
19 OE
I Output enable.
20 VCC - Power Source.
Pin No. Pin Name I/O Pin Function
1, 19 10E
, 20E I Output Enable Input 1 and 2
2, 4, 6, 8, 11, 13, 15, 17 1A1-1A4, 2A1-2A4 I Data Inputs
9, 7, 5, 3, 12, 14, 16, 18 1Y1-1Y4, 2Y1-2Y4 O Data Outputs
10 GND - Ground.
20 VCC - Power Source.