M74HC109B1R datasheet(1/12 Pages) STMICROELECTRONICS

Part #	M74HC109B1R

Description	DUAL J-K FLIP FLOP WITH PRESET AND CLEAR

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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July 2001

s

HIGH SPEED :

fMAX = 67MHz (TYP.) at VCC = 6V

s

LOW POWER DISSIPATION:

ICC =2µA(MAX.) at TA=25°C

s

HIGH NOISE IMMUNITY:

VNIH = VNIL = 28 % VCC (MIN.)

s

SYMMETRICAL OUTPUT IMPEDANCE:

|IOH| = IOL = 4mA (MIN)

s

BALANCED PROPAGATION DELAYS:

tPLH ≅ tPHL

s

WIDE OPERATING VOLTAGE RANGE:

VCC (OPR) = 2V to 6V

s

PIN AND FUNCTION COMPATIBLE WITH

74 SERIES 109

DESCRIPTION

The M74HC109 is an high speed CMOS DUAL

J-K FLIP FLOP WITH PRESET AND CLEAR

fabricated with silicon gate C2MOS technology. In

accordance with the logic level on the J and K

input this device changes state on positive going

transition of the clock pulse. CLEAR and PRESET

are

independent

of

the

clock

and

are

accomplished by a logic low on the corresponding

input.

All inputs are equipped with protection circuits

against static discharge and transient excess

voltage.

M74HC109

DUAL J-K FLIP FLOP WITH PRESET AND CLEAR

PIN CONNECTION AND IEC LOGIC SYMBOLS

ORDER CODES

PACKAGE

TUBE

T & R

DIP

M74HC109B1R

SOP

M74HC109M1R

M74HC109RM13TR

TSSOP

M74HC109TTR

TSSOP

DIP

SOP

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M74HC109B1R Datasheet(PDF) 1 Page - STMicroelectronics

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