(China (Mainland))
Product Summary
The SN74HC4040DR is a 12-stage asynchronous binary counter, 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 of SN74HC4040DR is advanced on a high-to-low transition at the clock (CLK) input. Applications of SN74HC4040DR include time-delay circuits, counter controls, and frequency-dividing circuits.
Parametrics
SN74HC4040DR absolute maximum ratings: (1)Supply voltage range, VCC: -0.5 V to 7 V; (2)Input clamp current, IIK (VI < 0 or VI > VCC): ±20 mA; (3)Output clamp current, IOK (VO < 0 or VO > VCC): ±20 mA; (4)Continuous output current, IO (VO = 0 to VCC): ±25 mA; (5)Continuous current through VCC or GND: ±50 mA; (6)Package thermal impedance, θJA: D package: 73℃/W, DB package: 82℃/W, N package: 67℃/W, NS package: 64℃/W, PW package: 108℃/W; (7)Storage temperature range, Tstg: -65℃ to 150℃.
Features
SN74HC4040DR features: (1)Wide Operating Voltage Range of 2 V to 6 V; (2)Outputs Can Drive Up To 10 LSTTL Loads; (3)Low Power Consumption, 80-μA Max ICC; (4)Typical tpd = 12 ns; (5)±4-mA Output Drive at 5 V; (6)Low Input Current of 1 μA Max.
Diagrams
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 SN74HC4040DR |
Texas Instruments |
Counter ICs 12-Bit ASynch Binary Counter |
Data Sheet |
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SN74HC4040DRE4 |
Texas Instruments |
Counter ICs 12-Bit ASynch Binary Counter |
Data Sheet |
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SN74HC4040DRG4 |
Texas Instruments |
Counter ICs 12-Bit ASynch Binary Counter |
Data Sheet |
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