MC14076B Просмотр технического описания (PDF) - ON Semiconductor

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MC14076B

4-Bit D-Type Register with Three-State Outputs

ON Semiconductor 

MC14076B

INPUT RISE AND FALL 20 ns

INPUT

D INFORMATION

tsu

90%

50%

10%

th

tsu

50%

tPLH

Q OUTPUT

tWH

tWL

fcl

90%

10%

tTLH

VDD

th

VSS

20 ns

90%

VDD

10%

VSS

tPHL

VOH

50%

VOL

tTHL

RESET = 0

DATA DISABLE A AND B = 0

OUTPUT DISABLE A AND B = 0

Figure 1. Timing Diagram

OUTPUT

DISABLE

A OR B

ANY Q

OUTPUT

ANY Q

OUTPUT

20 ns

50%

90%

50%

tPLZ

10%

tPHZ

90%

20 ns

10%

tPZL

90%

tPZH

10%

OUTPUTS

CONNECTED

OUTPUTS

DISCONNECTED

VDD

VSS

VOH

≈ 2.5 V @ VDD = 5 V,

10 V, AND 15 V

≈ 2 V @ VDD = 5 V

≈ 6 V @ VDD = 10 V

≈ 10 V @ VDD = 15 V

VOL

OUTPUTS

CONNECTED

OTHER

INPUTS

OUTPUT

DISABLE

A OR B

MC14076B

ANY Q

OUTPUT

RL = 1 kW

CL

VDD FOR tPLZ AND tPZL

VSS FOR tPHZ AND tPZH

Figure 2. Three−State Propagation Delay

Waveshape and Circuit

EQUIVALENT

FUNCTIONAL BLOCK DIAGRAM

OUTPUT DISABLE A 1

OUTPUT DISABLE B 2

D0 14

DATA DISABLE A 9

DATA DISABLE B 10

DQ

C RQ

D1 13

CLOCK 7

DQ

C RQ

D2 12

DQ

C RQ

D3 1

1

RESET 15

DQ

C RQ

3 Q0

4 Q1

5 Q2

6 Q3

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