MC14543BCP Ver la hoja de datos (PDF) - ON Semiconductor

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MC14543BCP

BCD−to−Seven Segment Latch/Decoder/Driver for Liquid Crystals

ON Semiconductor 

MC14543B

0

24

POHmax = 70 mWdc

VDD = 5.0 Vdc

−6.0

18

−12

VDD = 10 Vdc

12

VDD = 15 Vdc

VDD = 10 Vdc

−18

VDD = 15 Vdc

VSS = 0 Vdc

−24

−16

−12

−8.0

−4.0

0

(VOH − VDD), SOURCE DEVICE VOLTAGE (Vdc)

Figure 1. Typical Output Source Characteristics

6.0

0

0

VDD = 5.0 Vdc

POLmax = 70 mWdc

VSS = 0 Vdc

4.0

8.0

12

16

(VOL − VSS), SINK DEVICE VOLTAGE (Vdc)

Figure 2. Typical Output Sink Characteristics

Inputs BI and Ph low, and Inputs D and LD high.

f in respect to a system clock.

All outputs connected to respective CL loads.

20 ns

A, B, AND C

10%

20 ns

90% 50%

1

VDD

VSS

2f

50% DUTY CYCLE

VOH

ANY OUTPUT

VOL

Figure 3. Dynamic Power Dissipation

Signal Waveforms

(a) Inputs D, Ph, and BI low, and Inputs A, B, and LD high.

20 ns

C

20 ns

90%

50%

VDD

10%

VSS

tPHL

tPLH

g

90% 50%

10%

tTHL tTLH

VOH

VOL

(b) Inputs D, Ph, and BI low, and Inputs A and B high.

20 ns

LD

90%

50%

VDD

10%

VSS

tsu

th

VDD

C

50%

50%

VSS

VOH

g

VOL

(c) Data DCBA strobed into latches

VDD

LD

50%

VSS

tWH

Figure 4. Dynamic Signal Waveforms

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5

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