Details, datasheet, quote on part number: SN74HC4040PWLE
PartSN74HC4040PWLE
CategoryLogic => Counters => Binary Counters
Descriptionti SN74HC4040, 12-Bit Asynchronous Binary Counters
CompanyTexas Instruments, Inc.
DatasheetDownload SN74HC4040PWLE datasheet
Cross ref.Similar parts: MM74HC4040, MM74HC4040MTC
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Features, Applications

D Wide Operating Voltage Range V D Outputs Can Drive To 10 LSTTL Loads D Low Power Consumption, 80-A Max ICC

The 'HC4040 devices are 12-stage asynchronous binary counters, with the outputs of all stages available externally. A high level at the clear (CLR) input asynchronously clears the counter and resets all outputs low. The count is advanced on a high-to-low transition at the clock (CLK) input. Applications include time-delay circuits, counter controls, and frequency-dividing circuits. ORDERING INFORMATION

TA PACKAGE PDIP - N PACKAGE Tube of 25 Tube of 40 SOIC to 85C SOP - NS SSOP - DB Reel of 2500 Reel of 250 Reel of 2000 Reel of 2000 Tube of 90 TSSOP - PW CDIP to 125C CFP - W LCCC - FK Reel of 2000 Reel of 250 Tube of 25 Tube of 150 Tube of 55 ORDERABLE PART NUMBER SNJ54HC4040W HC4040 TOP-SIDE MARKING SN74HC4040N

SNJ54HC4040FK Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.

On products compliant to MILPRF38535, all parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters.

FUNCTION TABLE (each buffer) INPUTS CLK X CLR L H FUNCTION No change Advance to next stage All outputs L

absolute maximum ratings over operating free-air temperature range (unless otherwise noted)

Supply voltage range, VCC. 7 V Input clamp current, IIK (VI VI > VCC) (see Note 20 mA Output clamp current, IOK (VO VO > VCC) (see Note 20 mA Continuous output current, IO (VO 0 to VCC). 25 mA Continuous current through VCC or GND. 50 mA Package thermal impedance, JA (see Note 2): D package. 73C/W DB package. 82C/W N package. 67C/W NS package. 64C/W PW package. 108C/W Storage temperature range, Tstg. to 150C

Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES: 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed. 2. The package thermal impedance is calculated in accordance with JESD 51-7.

SN54HC4040 MIN VCC VIH Supply voltage VCC 2 V VCC 4.5 V VCC 6 V VCC 2 V VIL VI VO t/v Low-level input voltage Input voltage Output voltage VCC 2 V VCC 4.5 V VCC 6 V VCC 4.5 V VCC 6 V VCC NOM 5 MAX 6 SN74HC4040 MIN VCC 400 ns NOM 5 MAX 6 UNIT V

TA Operating free-air temperature C If this device is used in the threshold region (from VILmax V to VIHmin = 1.5 V), there is a potential to go into the wrong state from induced grounding, causing double clocking. Operating with the inputs 1000 ns and VCC 2 V does not damage the device; however, functionally, the CLK inputs are not ensured while in the shift, count, or toggle operating modes. NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004.

electrical characteristics over recommended operating free-air temperature range (unless otherwise noted)


 

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