Philips Semiconductors Programmable Logic Devices

Product specification

PLS159A

Programmable logic sequencer

(16

× 45 × 12)

October 22, 1993

26

LOGIC DIAGRAM

(LOGIC TERMS-T)

(CONTROL TERMS)

NOTES:

1. All OR gate inputs with a blown link float to logic “0”.

2. All other gates and control inputs with a blown link float to logic “1”.

3.

⊕ denotes WIRE-OR.

4.

Programmable connection.

2

3

4

5

19

6

7

8

9

I0

I1

I2

I3

B3

B2

B1

B0

F7

31

24 23

16 15

8 7

0

PB RBPA RALB LA D3 D2 D1 D0

X3

X2

X1

X0

B3

B2

B1

B0

F7

F6

F5

F4

F3

F2

C

C

F1

F0

S3

S2

S1

S0

J

Q

K

EA EB

CK’

18

F6

J

Q

K

CK’

17

F5

J

Q

K

CK’

16

F4

J

Q

K

CK’

15

F3

J

Q

K

CK’

14

F2

J

Q

K

CK’

13

F1

J

Q

K

CK’

12

F0

J

Q

K

CK’

1

CLK

CK

FC

11

OE

M7

M6

M5

M4

M3

M2

M1

M0

P

R

P

R