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74VHCT374AMTR Datasheet(PDF) 1 Page - STMicroelectronics |
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74VHCT374AMTR Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 10 page 74VHCT374A OCTAL D-TYPE FLIP FLOP WITH 3 STATE OUTPUT NON INVERTING February 2000 s HIGH SPEED: s fMAX = 180 MHz (TYP.) at VCC =5V s LOW POWER DISSIPATION: ICC =4 µA (MAX.) at TA =25 oC s COMPATIBLE WITH TTL OUTPUTS: VIH =2V (MIN), VIL = 0.8V (MAX) s POWER DOWN PROTECTION ON INPUTS & OUTPUTS s SYMMETRICAL OUTPUT IMPEDANCE: |IOH|=IOL = 8 mA (MIN) s BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL s OPERATING VOLTAGE RANGE: VCC (OPR) = 4.5V to 5.5V s PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 374 s IMPROVED LATCH-UP IMMUNITY s LOW NOISE VOLP = 0.9V (Max.) DESCRIPTION The 74VHCT374A is an advanced high-speed CMOS OCTAL D-TYPE FLIP FLOP with 3 STATE OUTPUT NON INVERTING fabricated with sub-micron silicon gate and double-layer metal wiring C 2MOS technology. This 8 bit D-Type flip-flop is controlled by a clock input (CK) and an output enable input (OE). On the positive transition of the clock, the Q outputs will be set to the logic state that were setup at the D inputs. While the (OE) input is low, the 8 outputs will be in a normal logic state (high or low logic level) and while high level the outputs will be in a high impedance state. The output control does not affect the internal operation of flip flops; that is, the old data can be retained or the new data can be entered even while the outputs are off. Power down protection is provided on all inputs and outputs and 0 to 7V can be accepted on inputs with no regard to the supply voltage. This device can be used to interface 5V to 3V. All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. PIN CONNECTION AND IEC LOGIC SYMBOLS ® SOP TSSOP ORDER CODES PACKAGE T UBE T & R SOP 74VHCT374AM 74VHCT374AMTR TSSOP 74VHCT374ATTR 1/10 |
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