Part # M74HC279 datasheet

Part Manufacturer: ST Microelectronics

ST Microelectronics

Part Description: Quad S - R latch

Part Details:

M74HC279 QUAD S - R LATCH s HIGH SPEED: tPD = 13ns (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: DIP SOP TSSOP |IOH| = IOL = 4mA (MIN) s BALANCED PROPAGATION DELAYS:tPLH tPHL ORDER CODES s WIDE OPERATING VOLTAGE RANGE: PACKAGE TUBE T & R VCC (OPR) = 2V to 6V DIP M74HC279B1R s PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 279 SOP M74HC279M1R M74HC279RM13TR TSSOP M74HC279TTR DESCRIPTIONThe M74HC279 is an high speed CMOS QUAD All inputs are equipped with protection circuits S - R LATCH fabricated with silicon gate C2MOS against static discharge and transient excess technology. voltage. PIN CONNECTION AND IEC LOGIC SYMBOLS August 2001 1/10 M74HC279 IINPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No SYMBOL NAME AND FUNCTION 1, 5, 10, 14 1R to 4R Reset Inputs (Active Low) 1S1, 1S2, 2, 3, 6, 11,

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M74HC279.pdf Datasheet