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CD74HC390 Datasheet(PDF) 5 Page - Texas Instruments |
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CD74HC390 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 8 page 
5 HCT TYPES High Level Input Voltage VIH - - 4.5 to 5.5 2- - 2 - 2 - V Low Level Input Voltage VIL - - 4.5 to 5.5 - - 0.8 - 0.8 - 0.8 V High Level Output Voltage CMOS Loads VOH VIH or VIL -0.02 4.5 4.4 - - 4.4 - 4.4 - V High Level Output Voltage TTL Loads -4 4.5 3.98 - - 3.84 - 3.7 - V Low Level Output Voltage CMOS Loads VOL VIH or VIL 0.02 4.5 - - 0.1 - 0.1 - 0.1 V Low Level Output Voltage TTL Loads 4 4.5 - - 0.26 - 0.33 - 0.4 V Input Leakage Current II VCC and GND 0 5.5 - - ±0.1 - ±1- ±1 µA Quiescent Device Current ICC VCC or GND 0 5.5 - - 8 - 80 - 160 µA Additional Quiescent Device Current Per Input Pin: 1 Unit Load ∆ICC VCC -2.1 - 4.5 to 5.5 - 100 360 - 450 - 490 µA NOTE: For dual-supply systems theoretical worst case (VI = 2.4V, VCC = 5.5V) specification is 1.8mA. DC Electrical Specifications (Continued) PARAMETER SYMBOL TEST CONDITIONS VCC (V) 25oC -40oC TO 85oC -55oCTO125oC UNITS VI (V) IO (mA) MIN TYP MAX MIN MAX MIN MAX HCT Input Loading Table INPUT UNIT LOADS nCP0 0.45 nCP1, MR 0.6 NOTE: Unit Load is ∆ICC limit specified in DC Electrical Table, e.g., 360 µA max at 25oC. Prerequisite for Switching Specifications CHARACTERISTIC SYMBOL VCC (V) 25oC -40oC TO 85oC -55oC TO 125oC UNITS MIN TYP MAX MIN MAX MIN MAX HC TYPES Maximum Clock Frequency fMAX 2 6 - - 5-4- MHz 4.5 30 - - 24 - 20 - MHz 6 35- -28-24- MHz Clock Pulse Width, nCP0, nCP1 tW 2 80 - - 100 - 120 - ns 4.5 16 - - 20 - 24 - ns 6 14- -17-20- ns Reset Removal Time tREM 2 70- -90- 105 - ns 4.5 14 - - 18 - 21 - ns 6 12- -15-18- ns CD74HC390, CD74HCT390 |
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