MOTOROLA CMOS LOGIC DATA

MC14503B

328

Characteristic

Symbol

VDD

VCC

All Types

Unit

Characteristic

Symbol

VDD

VCC

Typ #

Max

Unit

Output Rise Time

tTLH = (0.5 ns/pF) CL + 20 ns

tTLH = (0.3 ns/pF) CL + 8.0 ns

tTLH = (0.2 ns/pF) CL + 8.0 ns

tTLH

5.0

10

15

45

23

18

90

45

35

ns

Output Fall Time

tTHL = (0.5 ns/pF) CL + 20 ns

tTHL = (0.3 ns/pF) CL + 8.0 ns

tTHL = (0.2 ns/pF) CL + 8.0 ns

tTHL

5.0

10

15

45

23

18

90

45

35

ns

Turn–Off Delay Time, all Outputs

tPLH = (0.3 ns/pF) CL + 60 ns

tPLH = (0.15 ns/pF) CL + 27 ns

tPLH = (0.1 ns/pF) CL + 20 ns

tPLH

5.0

10

15

75

35

25

150

70

50

ns

Turn–On Delay Time, all Outputs

tPHL = (0.3 ns/pF) CL + 60 ns

tPHL = (0.15 ns/pF) CL + 27 ns

tPHL = (0.1 ns/pF) CL + 20 ns

tPHL

5.0

10

15

75

35

25

150

70

50

ns

3–State Propagation Delay Time

Output “1” to High Impedance

tPHZ

5.0

10

15

75

40

35

150

80

70

ns

Output “0” to High Impedance

tPLZ

5.0

10

15

80

40

35

160

80

70

ns

High Impedance to “1” Level

tPZH

5.0

10

15

65

25

20

130

50

40

ns

High Impedance to “0” Level

tPZL

5.0

10

15

100

35

25

200

70

50

ns

* The formulas given are for the typical characteristics only at 25

_C.

#Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.

PIN ASSIGNMENT

13

14

15

16

9

10

11

12

5

4

3

2

1

8

7

6

IN 5

OUT 6

IN 6

VDD

OUT 4

IN 4

OUT 5

IN 2

OUT 1

IN 1

DIS A

VSS

OUT 3

IN 3

OUT 2

DIS B