поискавой системы для электроныых деталей |
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CD74HCT670MTE4 датащи(PDF) 5 Page - Texas Instruments |
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CD74HCT670MTE4 датащи(HTML) 5 Page - Texas Instruments |
5 / 17 page 5 Prerequisite for Switching Specifications PARAMETER SYMBOL VCC (V) 25oC -40oC TO 85oC -55oC TO 125oC UNITS MIN TYP MAX MIN TYP MAX MIN TYP MAX HC TYPES Setup Time Data to WE Write to WE tSU, th 260 - - 75 - - 90 - - ns 4.5 12 - - 15 - - 18 - - ns 610 - - 13 - - 15 - - ns Hold Time Data to WE Write to WE tH, tW 25 - - 5 - - 5 - - ns 4.5 5 - - 5 - - 5 - - ns 65 - - 5 - - 5 - - ns Pulse Width WE tW 2 80 - - 100 - - 120 - - ns 4.5 16 - - 20 - - 24 - - ns 614 - - 17 - - 20 - - ns Latch Time WE to RA0, RA1 tLATCH 2 100 - - 125 - - 150 - - ns 4.5 20 - - 25 - - 30 - - ns 617 - - 21 - - 26 - - ns HCT TYPES Setup Time Data to WE tSU, th 4.5 12 - - 15 - - 18 - - ns Hold Time Data to WE Write to WE tH, tW 4.5 5 - - 5 - - 5 - - ns Setup Time Write to WE tSU 4.5 18 - - 23 - - 27 - - ns Pulse Width WE tW 4.5 20 - - 25 - - 30 - - ns Latch Time WE to RA0, RA1 tLATCH 4.5 25 - - 31 - - 38 - - ns Switching Specifications CL = 50pF, Input tr, tf = 6ns PARAMETER SYMBOL TEST CONDITIONS VCC (V) 25oC -40oC TO 85oC -55oC TO 125oC UNITS MIN TYP MAX MIN MAX MIN MAX HC TYPES Propagation Delay tPLH, tPHL CL = 50pF Reading Any Word 2 - - 195 - 245 - 295 ns 4.5 - - 39 - 49 - 59 ns CL = 15pF 5 - 16 - - - - - ns CL = 50pF 6 - - 33 - 42 - 50 ns Write Enable to Output tPLH,tPHL CL = 50pF 2 - - 250 - 315 - 375 ns 4.5 - - 50 - 63 - 75 ns CL = 15pF 5 - 21 - - - - - ns CL = 50pF 6 - - 43 - 54 - 64 ns CD54HC670, CD74HC670, CD74HCT670 CD54HC670, CD74HC670, CD74HCT670 |
Аналогичный номер детали - CD74HCT670MTE4 |
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Аналогичное описание - CD74HCT670MTE4 |
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