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M54HC595 Datasheet(PDF) 1 Page - STMicroelectronics |
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M54HC595 Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 13 page M54HC595 M74HC595 April 1993 8 BIT SHIFT REGISTER WITH OUTPUT LATCHES (3 STATE) B1R (Plastic Package) ORDER CODES : M54HC595F1R M74HC595M1R M74HC595B1R M74HC595C1R F1R (Ceramic Package) M1R (Micro Package) C1R (Chip Carrier) PIN CONNECTIONS (top view) NC = No Internal Connection . HIGH SPEED fMAX = 55 MHz (TYP.) AT VCC =5 V . LOW POWER DISSIPATION ICC =4 µA (MAX.) AT TA =25 °C . HIGH NOISE IMMUNITY VNIH =VNIL =28 % VCC (MIN.) . OUTPUT DRIVE CAPABILITY 15 LSTTL LOADS FOR QA TO QH 10 LSTTL LOADS FOR QH’ . SYMMETRICAL OUTPUT IMPEDANCE |IOH|= IOL = 6 mA (MIN.) FOR QA TO QH |IOH|= IOL = 4 mA (MIN.) FOR QH’ . BALANCED PROPAGATION DELAYS tPLH =tPHL . WIDE OPERATING VOLTAGE RANGE VCC (OPR) = 2 V TO 6 V . PIN AND FUNCTION COMPATIBLE WITH LSTTL 54/74LS595 DESCRIPTION The M54/74HC595 is a high speed CMOS 8-BIT SHIFT REGISTERS/OUTPUT LATCHES (3- STATE) fabricated in silicon C 2MOS technology. It has the same high speed performance of LSTTL combined with true CMOS low power consumption. This device contains an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage reg- ister. The storage register has 8 3-STATE outputs. Separate clocks are provided for both the shift reg- ister and the storage register. The shift register has a direct-overriding clear, serial input, and serial output (standard) pins for cascad- ing. Both the shift register and storage register use positive-edge triggered clocks. If both clocks are connected together, the shift register state will al- ways be one clock pulse ahead of the storage reg- ister. All inputs are equipped with protection circuits against static discharge and transient excess volt- age. 1/13 |
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