Datenblatt-Suchmaschine für elektronische Bauteile |
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M74HC4020 Datenblatt(PDF) 1 Page - STMicroelectronics |
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M74HC4020 Datenblatt(HTML) 1 Page - STMicroelectronics |
1 / 13 page M54/74HC4020 M54/74HC4040 March 1993 HC4040 12 STAGE BINARY COUNTER HC4020 14 STAGE BINARY COUNTER B1R (Plastic Package) ORDER CODES : M54HCXXXF1R M74HCXXXM1R M74HCXXXB1R M74HCXXXC1R F1R (Ceramic Package) M1R (Micro Package) C1R (Chip Carrier) PIN CONNECTION (top view) . HIGH SPEED fMAX = 73 MHz (TYP.) at VCC =5 V . LOW POWER DISSIPATION ICC =4 µA (MAX.) at TA =25 oC . HIGH NOISE IMMUNITY VNIH =VNIL =28 % VCC (MIN.) . OUTPUT DRIVE CAPABILITY 10 LSTTL LOADS . SYMMETRICAL OUTPUT IMPEDANCE |IOH|= IOL = 4 mA (MIN.) . BALANCED PROPAGATION DELAYS tPLH =tPHL . WIDE OPERATING VOLTAGE RANGE VCC (OPR) = 2 V to 6 V . PIN AND FUNCTION COMPATIBLE WITH 4020B/4040B DESCRIPTION The M54/74HC4020/HC4040 are high speed CMOS 14/12-STAGE BINARY COUNTER fabricated in silicon gate C 2MOS technology. They have the same high speed performance of LSTTL combined with true CMOS low consumption. A clear input is used to reset the counter to the all low level state. A high level on CLEAR accomplishes the reset function. A negative transition on the CLOCK input increments the counter by one. For HC4020 twelve kind od divided output are provided; 1st and 4th stage to 14th stage. The maximum division available at last stage is 1/16384 x fIN at clock. For HC4040 each division stage has an output; the final frequency is 1/4096 x fIN. All inputs are equipped with protection circuits against static discharge and transient excess voltage. HC4020 HC4040 HC4020 HC4040 1/13 |
Ähnliche Teilenummer - M74HC4020 |
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Ähnliche Beschreibung - M74HC4020 |
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