HD74LS21P Renesas Electronics Corporation., HD74LS21P Datasheet
HD74LS21P
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HD74LS21P Summary of contents
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HD74LS293 4-bit Binary Counter This counter contains four master-slave flip-flops and additional gating to provide a divide-by-two counter and divide- by-eight counter. This counter has a gated zero reset. To use the maximum count length of this counter, the B ...
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HD74LS293 BCD Count Sequence Count Notes: 1. ...
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HD74LS293 Absolute Maximum Ratings Item Supply voltage R Inputs O Input voltage A, B Inputs Power dissipation Operating temperature Storage temperature Note: Voltage value, unless otherwise noted, are with respect to network ground terminal. Recommended Operating Conditions Item Supply voltage ...
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HD74LS293 Switching Characteristics Item Symbol Inputs Maximum count max frequency t PLH t PHL t PLH t PHL t PLH Propagation delay t PHL time t PLH t PHL t PLH t PHL t Set-to-0 PHL Timing Method R 0 ...
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HD74LS293 Testing Method Test Circuit 4.5V P. 50Ω out Notes includes probe and jig capacitance All diodes are 1S2074(H). Testing Table Item From input to output A Q max ...
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HD74LS293 Waveforms (Clock Q) max PLH PHL t TLH 90% Clock 10 Notes: 1. Clock input pulse; t and : for , t max TLH 2. ...
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HD74LS293 Package Dimensions JEITA Package Code RENESAS Code P-DIP14-6.3x19.2-2.54 PRDP0014AB Rev.3.00, Jul.15.2005, page Previous Code MASS[Typ.] DP-14AV 0.97g Dimension in Millimeters Reference Symbol Min Nom e ...
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Keep safety first in your circuit designs! 1. Renesas Technology Corp. puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. Trouble with semiconductors may lead ...