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CD74HCT541E Datasheet(PDF) 1 Page - Texas Instruments |
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CD74HCT541E Datasheet(HTML) 1 Page - Texas Instruments |
1 / 8 page 1 Data sheet acquired from Harris Semiconductor SCHS189 Features • CD74HC540, CD74HCT540 . . . . . . . . . . . . . . . Inverting • CD74HC541, CD74HCT541 . . . . . . . . . . . . . .Non-Inverting • Buffered Inputs • Three-State Outputs • Bus Line Driving Capability • Typical Propagation Delay = 9ns at VCC = 5V, CL = 15pF, TA = 25 oC • 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 • Significant 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 ≤ 1µA at VOL, VOH Description The Harris CD74HC540 and CD74HCT540 are Inverting Octal Buffers and Line Drivers with Three-State Outputs and the capability to drive 15 LSTTL loads. The Harris CD74HC541 and CD74HCT541 are Non-Inverting Octal Buff- ers and Line Drivers with Three-State Outputs that can drive 15 LSTTL loads. The Output Enables (OE1) and (OE2) con- trol the Three-State Outputs. If either OE1 or OE2 is HIGH the outputs will be in the high impedance state. For data output OE1 and OE2 both must be LOW. Ordering Information PART NUMBER TEMP. RANGE (oC) PACKAGE PKG. NO. CD74HC540E -55 to 125 20 Ld PDIP E20.3 CD74HCT540E -55 to 125 20 Ld PDIP E20.3 CD74HC541E -55 to 125 20 Ld PDIP E20.3 CD74HCT541E -55 to 125 20 Ld PDIP E20.3 CD74HC540M -55 to 125 20 Ld SOIC M20.3 CD74HCT540M -55 to 125 20 Ld SOIC M20.3 CD74HC541M -55 to 125 20 Ld SOIC M20.3 CD74HCT541M -55 to 125 20 Ld SOIC M20.3 NOTES: 1. When ordering, use the entire part number. Add the suffix 96 to obtain the variant in the tape and reel. 2. Wafer and die for this part number is available which meets all electrical specifications. Please contact your local sales office or Harris customer service for ordering information. Pinouts CD74HC540, CD74HCT540 (PDIP, SOIC) TOP VIEW CD74HC541, CD74HCT541 (PDIP, SOIC) TOP VIEW 11 12 13 14 15 16 17 18 20 19 10 9 8 7 6 5 4 3 2 1 OE A0 A1 A2 A3 A4 A6 A5 A7 GND VCC Y0 Y1 Y2 OE2 Y3 Y4 Y5 Y6 Y7 11 12 13 14 15 16 17 18 20 19 10 9 8 7 6 5 4 3 2 1 OE1 A0 A1 A2 A3 A4 A6 A5 A7 GND VCC Y0 Y1 Y2 OE2 Y3 Y4 Y5 Y6 Y7 January 1998 CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures. Copyright © Harris Corporation 1998 File Number 1659.2 CD74HC540, CD74HCT540, CD74HC541, CD74HCT541 High Speed CMOS Logic Octal Buffer and Line Drivers, Three-State [ /Title (CD74 HC540 , CD74 HCT54 0, CD74 HC541 , CD74 HCT54 |
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