MC14527B 查看數據表（PDF） - Motorola => Freescale

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MC14527B

BCD Rate Multiplier

Motorola => Freescale 

VDD

PULSE

GENERATOR

MULTIPLIER

PRESET NO.

S

CASC Eout

Ein

CLOCK OUT

ST

A

B

OUT

C

D

“9”

CLEAR

VSS

Figure 1. Test Circuit and Timing Diagram

PROGRAMMABLE

PULSE

GENERATOR

VDD

S

CASC Eout

Ein

CLOCK OUT

ST

A

OUT

B

C

D

“9”

CLEAR

VSS

CL

CL

CL

CL

012345678 90123 4

CLOCK

Qa

Qb

Qc

Qd

R1

R2

R3

R4

OUTPUT (PIN 6)

A ENABLED

B ENABLED

C ENABLED

D ENABLED

Eout

OUTPUT (PIN 6)

(PRESET NO. OF 1)

(PRESET NO. OF 2)

(PRESET NO. OF 3)

(PRESET NO. OF 4)

(PRESET NO. OF 5)

(PRESET NO. OF 6)

(PRESET NO. OF 7)

(PRESET NO. OF 8)

(PRESET NO. OF 9)

tTLH

CLOCK

20 ns 20 ns

90%

10%

tTHL

50%

SET

ENABLE IN

SET

trem

50%

tsu

OUT

tPLH

1

fcl

50%

50%

tWH

tPHL

tPHL

90%

10%

tTLH

tTHL

Figure 2. Switching Time Test Circuit and Waveforms

MC14527B

4

MOTOROLA CMOS LOGIC DATA

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