TIBPLS506AC

13

× 97 × 8 FIELD-PROGRAMMABLE LOGIC SEQUENCER

SRPS003C – D3090, DECEMBER 1987 – REVISED NOVEMBER 1995

POST OFFICE BOX 655303

11

OR term loading

1

tsu ) tpd CLK to Q

Since the setup time (input or feedback to S/R

terms connected per OR line and the setup time.

Use Figure 3 to determine the worst-case setup time for a particular application. Identify the OR array line with

the maximum number of terms connected. Count the number of terms and use the graph to determine the setup

time.

15

14

12

11

10

19

13

020

40

60

17

16

18

Maximum Number of OR Terms Connected

WORST-CASE SETUP TIME

(input or feedback to SR

vs

”OR” TERM LOAD

20

80

100

VCC = 4.75 V

TA = 75°C

Figure 3