74HC Datasheet, 74HC stage Binary Counter Datasheet, buy 74HC The MC54/74HC is identical in pinout to the standard CMOS. MCB. The device inputs are compatible with standard CMOS outputs; with pullup. INTEGRATED CIRCUITS. 74HC/HCT stage binary ripple counter with oscillator. For a complete data sheet, please also download.
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Datashert oscillator may be replaced by an external clock signal at input RS. The counter advances on the negative-going transition of RS. Ordering information Table 1.
Product data sheet Rev. It cannot be used as supply pin or input.
Limiting values Table 3. Ptot derates linearly with 5. Ptot derates linearly with 4. Recommended operating conditions Table 4.
Philips – datasheet pdf
Static characteristics Table 5. Dynamic characteristics Table 6. CPD is used to determine the dynamic power dissipation PD in? Waveforms showing the master reset MR pulse width, the master reset to output Qn propagation delays and the master reset to clock RS recovery time Table 7.
Test circuit for measuring switching times Table 8. The function of R2 is to minimize the in?
The stray capacitance C2 should be kept as small as possible. In consideration of accuracy, Ct must be larger than the inherent stray capacitance. Rt must be larger than the ON resistance in series with it, which typically is ? Example of a RC oscillator The recommended values for these components to maintain agreement with the typical oscillation formula are: For starting datasneet maintaining oscillation a minimum transconductance is necessary, datasheft R2 should not be too large.
A practical value for R2 is 2. F Rbias k? External component connection for a crystal oscillator Fig RC oscillator frequency as a function of Rt Fig Plastic or metal protrusions of 0. Plastic interlead protrusions of 0. Revision history Table The format of this data sheet has been redesigned to comply with the new identity guidelines of NXP Semiconductors. Legal texts have been adapted to the new company name where appropriate.
Data sheet status Document status Objective [short] data sheet Preliminary [short] data sheet Product [short] data sheet    Product status Development Quali? This document contains data from the preliminary speci? This document contains the product speci? Please consult the most recently issued document before initiating or completing a design. The product status of device s described in this document may have changed since this document was published and may differ in case of multiple devices.
74HC Datasheet(PDF) – STMicroelectronics
The latest product status information is available on the Internet at URL http: The 74hc44060 is still under internal review and subject to formal approval, which may result in modi? NXP Semiconductors does not give any representations or warranties ddatasheet to the accuracy or completeness of information included herein and shall have no liability for the consequences of use of such information.
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Limiting values are stress ratings only and operation of the device at these or any other conditions above those given in the Characteristics sections of this document is not implied. Exposure to limiting values for extended periods may affect device reliability.
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