Pin Assignments
16823
18-BIT EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH DUAL OUTPUTS
1CLK 1CLKEN 1D1
GND
1D2
1D3
V
CC
1D4
1D5
1D6
GND
1D7
1D8
1D9
2D1
2D2
2D3
GND
2D4
2D5
2D6
V
2D7
2D8
GND
2D9 2CLKEN 2CLK
CC
56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29
1
2
3
1Q1
4
GND
5
1Q2
6
1Q3
7
CC
8
1Q4
9
1Q5
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
1CLR 1OE
V
1Q6
GND
1Q7
1Q8
1Q9
2Q1
2Q2
2Q3
GND
2Q4
2Q5
2Q6
V
2Q7
2Q8
GND
2Q9
2OE 2CLR
CC
See page 684
16825
18-BIT BUS BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
1OE2 1A1
1A2
GND
1A3
1A4
V
CC
1A5
1A6
1A7
GND
1A8
1A9
GND GND
2A1
2A2
GND
2A3
2A4
2A5
V
2A6
2A7
GNA
2A8
2A9 2OE2
CC
56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29
1
2
3
1Y2
4
GNA
5
1Y3
6
1Y4
7
CC
8
1Y5
9
1Y6
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
1OE1 1Y1
V
1Y7
GNA
1Y8
1Y9
GND GND
2Y1
2Y2
GNA
2Y3
2Y4
2Y5
V
2Y6
2Y7
GNA
2Y8
2Y9 2OE1
CC
See page 685
16827
20-BIT BUS BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
1OE2 1A1
1A2
GND
1A3
1A4
V
CC
1A5
1A6
1A7
GND
1A8
1A9 1A10 2A1
2A2
2A3
GND
2A4
2A5
2A6
V
2A7
2A8
GNA
2A9 2A10 2OE2
CC
56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29
1
2
3
1Y2
4
GNA
5
1Y3
6
1Y4
7
CC
8
1Y5
9
1Y6
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
1OE1 1Y1
V
1Y7
GNA
1Y8
1Y9 1Y10 2Y1
2Y2
2Y3
GNA
2Y4
2Y5
2Y6
V
2Y7
2Y8
GNA
2Y9 2Y10 2OE1
CC
See page 686
16831
1-TO-4 ADDRESS REGISTER/DRIVER
WITH 3-STATE OUTPUTS
1Y2
2Y2
GND
3Y2
4Y2
VCC
1Y3
2Y3
GND
3Y3
4Y3
GND
1Y4
2Y4
VCC
3Y4
4Y4
GND
1Y5
2Y5
3Y5
4Y5
GND 1Y6
2Y6
VCC
3Y6
4Y6
GND 1Y7
2Y7
GND 3Y7
4Y7
VCC
1Y8
2Y8
GND 3Y8
4Y8
60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
1
4Y1
2
3Y1
3
GND
4
2Y1
5
1Y1
6
VCC
7
NC
8
A1
9
GND
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
NC A2 GND NC A3 VCC NC A4 GND CLK OE1 OE2 SEL GND A5 A6 VCC A7 NC GND A8 NC GND A9 NC VCC 4Y9 3Y9 GND 2Y9 1Y9
NC-No internal connection
See page 688
208