MC14522B 查看數據表（PDF） - Motorola => Freescale

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MC14522B

Presettable 4-Bit Down Counters

Motorola => Freescale 

MC14522B LOGIC DIAGRAM (BCD Down Counter)

P0

Q0

P1

5

7

11

Q1

P2

9

14

Q2

15

DR

C

T

Q

PE

VSS

D RQ

C

T PE Q

D RQ

C

T PE Q

P3

Q3

2

1

D RQ

C

T PE Q

CF 13

PE 3

INHIBIT 4

CLOCK 6

RESET 10

12

“0”

MC14526B LOGIC DIAGRAM (Binary Down Counter)

P0

Q0

P1

5

7

11

Q1

P2

9

14

Q2

15

DR

C

T

Q

PE

VDD

D RQ

C

T PE Q

VDD

D RQ

C

T PE Q

P3

Q3

2

1

D RQ

C

T PE Q

CF 13

PE 3

INHIBIT 4

CLOCK 6

RESET 10

12

“0”

MOTOROLA CMOS LOGIC DATA

MC14522B MC14526B

7

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