MOTOROLA CMOS LOGIC DATA

MC14502B

322

Characteristic

Symbol

VDD

All Types

Unit

Characteristic

Symbol

VDD

Min

Typ #

Max

Unit

Output Rise Time

tTLH

5.0

10

15

—

—

—

100

50

40

200

100

80

ns

Output Fall Time

tTHL

5.0

10

15

—

—

—

40

20

15

80

40

30

ns

Propagation Delay Time Data to Q

tPHL

5.0

10

15

—

—

—

135

55

40

270

110

80

ns

Propagation Delay Time, Inhibit to Q

tPHL

5.0

10

15

—

—

—

335

145

95

670

290

190

ns

Propagation Delay Time Data to Q, Inhibit to Q

tPLH

5.0

10

15

—

—

—

295

130

95

590

260

190

ns

3–State Propagation Delay, Output “1” to High Impedance

tPHZ

5.0

10

15

—

—

—

65

30

25

130

60

50

ns

3–State Propagation Delay, High Impedance to “1” Level

tPZH

5.0

10

15

—

—

—

260

105

80

520

210

160

ns

3–State Propagation Delay, Output “0” to High Impedance

tPLZ

5.0

10

15

—

—

—

150

70

55

300

140

110

ns

3–State Propagation Delay, High Impedance to “0” Level

tPZL

5.0

10

15

—

—

—

160

65

50

320

130

100

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.

Figure 1. Typical Output Source

Current Test Circuit (IOH)

Figure 2. Typical Output Sink

Current Test Circuit (IOL)

16

+ VDD

DIS

INH

D1

D2

D3

D4

D5

D6

Q1

Q2

Q3

Q4

Q5

Q6

8

VSS

VOH

IOH

Vout

VGS = – VDD

VDS = VOH – VDD

DIS

INH

D1

D2

D3

D4

D5

D6

Q1

Q2

Q3

Q4

Q5

Q6

IOL

VOL

Vout

16

+ VDD

8

VSS

VDS = VOL

VGS = VDD