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CD54HC237F Datasheet(PDF) 5 Page - Texas Instruments |
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CD54HC237F Datasheet(HTML) 5 Page - Texas Instruments |
5 / 9 page 5 Quiescent Device Current ICC VCC or GND 0 6 - - 8 - 80 - 160 µA 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 (Note) 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 -55oC TO 125oC UNITS VI (V) IO (mA) MIN TYP MAX MIN MAX MIN MAX HCT Input Loading Table INPUT UNIT LOADS All 1.5 NOTE: Unit Load is ∆ICC limit specified in DC Electrical Table, e.g., 360 µA max at 25oC. Prerequisite For Switching Specifications PARAMETER SYMBOL VCC (V) 25oC -40oC TO 85oC -55oC TO 125oC UNITS MIN TYP MAX MIN MAX MIN MAX HC TYPES An to LE Setup Time tSU 2 50- -65-75 - ns 4.5 10 - - 13 - 15 - ns 6 9 - - 11 - 13 - ns An to LE Hold Time tH 2 30- -40-45 - ns 4.5 6- -8-9- ns 6 5 - - 7-8- ns CD74HC137, CD74HCT137, CD54/74HC237, CD74HCT237 |
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