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M74HC299 Datasheet(PDF) 1 Page - STMicroelectronics |
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M74HC299 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 13 page ![]() 1/13 July 2001 s HIGH SPEED : fMAX = 80MHz (TYP.) at VCC = 6V s LOW POWER DISSIPATION: ICC =4µA(MAX.) at TA=25°C s HIGH NOISE IMMUNITY: VNIH = VNIL = 28 % VCC (MIN.) s SYMMETRICAL OUTPUT IMPEDANCE: |IOH|= IOL =6mA (MIN)FOR QA’ TO QH’ |IOH| = IOL = 4mA (MIN) FOR QA TO QH s BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL s WIDE OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 6V s PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 299 DESCRIPTION The M74HC299 is an high speed CMOS 8 BIT PIPO SHIFT REGISTER (3-STATE) fabricated with silicon gate C2MOS technology. This device has four modes (HOLD, SHIFT LEFT, SHIFT RIGHT and LOAD DATA). Each mode is chosen by two function select inputs (S0, S1). When one or both enable inputs, (G1, G2) are high, the eight input/output terminals are in the high impedance state; however sequential operation or clearing of the register is not affected. Clear function on the M74HC299 is asynchronous to CLOCK. All inputs are equipped with protection circuits against static discharge and transient excess voltage. M74HC299 8 BIT PIPO SHIFT REGISTER WITH ASYNCHRONOUS CLEAR PIN CONNECTION AND IEC LOGIC SYMBOLS ORDER CODES PACKAGE TUBE T & R DIP M74HC299B1R SOP M74HC299M1R M74HC299RM13TR TSSOP M74HC299TTR TSSOP DIP SOP |
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