M54HC292 datasheet(2/14 Pages) STMICROELECTRONICS

部件名	M54HC292

功能描述	PROGRAMMABLE DIVIDER/TIMER

PDF	14 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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2 / 14 page

INPUT AND OUTPUT EQUIVALENT CIRCUIT

(TOTEM POLE OUTPUT)

PIN DESCRIPTION (HC292/7292)

PIN No

SYMBOL

NAME AND FUNCTION

4, 5

CLK1,

CLK2

input Clock

1, 2, 10,

14, 15

A to E

Program Inputs

3, 6, 13

TP1, TP2,

TP3

Test Point Outputs

CLR

Clear (Active LOW)

Output

GND

Ground (0V)

VCC

Positive Supply Voltage

IEC LOGIC SYMBOLS

TRUTH TABLE

CLEAR

CLOCK1

CLOCK2

Q OUTPUT MODE

CLEARED TO L

UP COUNT

NO CHANGE

INPUT AND OUTPUT EQUIVALENT CIRCUIT

(OPEN DRAIN OUTPUT, HC292/294)

PIN DESCRIPTION (HC294/7294)

PIN No

SYMBOL

NAME AND FUNCTION

4, 5

CLK1,

CLK2

input Clock

1, 2, 14, 15

A to D

Program Inputs

TP1

Test Point Output

CLR

Clear (Active LOW)

Output

GND

Ground (0V)

VCC

Positive Supply Voltage

HC292/HC7292

HC294/HC7294

M54/M74HC292/7292/294/7294

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