M74HC7292M1R 查看數據表（PDF） - STMicroelectronics

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M74HC7292M1R

PROGRAMMABLE DIVIDER/TIMER

STMicroelectronics 

M54/M74HC292/7292/294/7294

FUNCTION TABLE (HC294/7294)

PROGRAMMING

INPUTS

D

C

B

A BINARY

L

L

L

L Inhibit

L

L

L

H Inhibit

L

L

H

L

22

L

L

H

H 23

L

H

L

L

24

L

H

L

H 25

L

H

H

L

26

L

H

H

H 27

H

L

L

L

28

H

L

L

H 29

H

L

H

L

210

H

L

H

H

211

H

H

L

L

212

H

H

L

H

213

H

H

H

L

214

H

H

H

H

215

FREQUENCY DIVISION

Q

TP

DECIMAL BINARY

DECIMAL

Inhibit Inhibit

Inhibit

Inhibit

4

8

16

32

64

Inhibit

29

29

29

29

29

Inhibit

512

512

512

512

512

128 Disabled Low

256 22

4

512 23

8

1,024 24

16

2,048 25

32

4,096 26

64

8,192 27

128

16,384 28

256

32,768 29

512

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

VCC

Supply Voltage

-0.5 to +7

V

VI

DC Input Voltage

-0.5 to VCC + 0.5

V

VO

DC Output Voltage

-0.5 to VCC + 0.5

V

IIK

DC Input Diode Current

± 20

mA

IOK

DC Output Diode Current

± 20

mA

IO

DC Output Source Sink Current Per Output Pin

ICC or IGND DC VCC or Ground Current

± 25

mA

± 50

mA

PD

Power Dissipation

500 (*)

mW

Tstg

Storage Temperature

TL

Lead Temperature (10 sec)

-65 to +150

oC

300

oC

Absolute Maximum Ratings are those values beyond which damage tothe device may occur. Functional operation under these conditions is not implied.

(*) 500 mW: ≅ 65 oC derate to 300 mW by 10mW/oC: 65 oC to 85 oC

RECOMMENDED OPERATING CONDITIONS

Symbol

VCC

VI

VO

Top

tr, tf

Parameter

Supply Voltage

Input Voltage

Output Voltage

Operating Temperature: M54HC Series

M74HC Series

Input Rise and Fall Time

VCC = 2 V

VCC = 4.5 V

VCC = 6 V

Value

2 to 6

0 to VCC

0 to VCC

-55 to +125

-40 to +85

0 to 1000

0 to 500

0 to 400

Unit

V

V

V

oC

oC

ns

6/14

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