器件名称:
CD54HCT245
功能描述:
High Speed CMOS Logic Octal-Bus Transceiver, Three-State, Non-Inverting
文件大小:
37.83KB 共7页
简 介:
Data sheet acquired from Harris Semiconductor SCHS119 CD54HC245, CD54HCT245, CD74HC245, CD74HCT245 High Speed CMOS Logic Octal-Bus Transceiver, Three-State, Non-Inverting November 1997 Features Buffered Inputs Three-State Outputs Bus Line Driving Capability Typical Propagation Delay (A to B, B to A) 9ns at VCC = 5V, CL = 15pF, TA = 25oC Fanout (Over Temperature Range) - Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads - Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads Wide Operating Temperature Range . . . -55oC to 125oC Balanced Propagation Delay and Transition Times Signicant Power Reduction Compared to LSTTL Logic ICs HC Types - 2V to 6V Operation - High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V HCT Types - 4.5V to 5.5V Operation - Direct LSTTL Input Logic Compatibility, VIL= 0.8V (Max), VIH = 2V (Min) - CMOS Input Compatibility, Il ≤ 1A at VOL, VOH [ /Title (CD54 HC245 , CD54 HCT24 5, CD74 HC245 , CD74 HCT24 5) /Subject (High Speed Pinout CD54HC245, CD54HCT245, CD74HC245, CD74HCT245 (CERDIP, PDIP, SOIC) TOP VIEW DIR A0 A1 A2 A3 A4 A5 A6 A7 1 2 3 4 5 6 7 8 9 20 VCC 19 OE 18 B0 17 B1 16 B2 15 B3 14 B4 13 B5 12 B6 11 B7 GND 10 CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures. Copyright Harris Corporation 1997 File Number 1651.1 1 CD54HC245, CD54HCT245, CD74HC245, CD74HCT245 Description The Harris CD54HC245, CD54HCT245, and CD74HC245, CD74HCT245 a……
