M74HC590TTR Datasheet

Counter Shift Registers


The M74HC590TTR is an high speed cmos 8-bit binary counter register (3 state) fabricated with silicon gate C2 MOS technology. This device contains an 8-bit binary counter that feeds an 8-bit storage register. The storage register has parallel outputs. Separate clocks are provided for both the binary counter and storage register. The binary counter features a direct clear input CCLR and a count enable input CCKEN. For cascading, a ripple carry output RCO is provided. Expansion is easily accomplished by tying RCO of the first stage to CCKEN of the second stage, etc. Both the counter and register clocks are positive edge triggered. If the user wishes to connect both clocks together, the counter state will always be one count ahead of the register. Internal circuitry prevents clocking from the clock enable. All inputs are equipped with protection circuits against static discharge and transient excess voltage. M74HC590TTR Features • High Speed: Fmax = 61 Mhz (typ.) At Vcc = 6v• Low Power Dissipation:icc = 4µa(max.) At Ta=25°c• High Noise Immunity:vnih = Vnil = 28 % Vcc (min.)• Symmetrical Output Impedance: |ioh| = Iol = 6ma (min) For Qa ~ Qh Output;|ioh| = Iol = 4ma (min) For Rco Output• Balanced Propagation Delays:tplh ≅ Tphl• Wide Operating Voltage Range:vcc (opr) = 2v To 6v• Pin And Function Compatible With 74 Series 590


[{"Name":"Number of Input Lines","Value":"1"},{"Name":" Output Type","Value":"3-State"},{"Name":"Propagation Delay Time","Value":"185 ns, 37 ns, 31 ns"},{"Name":"Maximum Operating Temperature","Value":"+ 125 C"},{"Name":"Minimum Operating Temperature:","Value":"- 55 C"},{"Name":"Operating Supply Voltage","Value":"2 V to 6 V"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information


Seiko Instruments Inc. Is a Japanese company which head office is located in 8, Nakase 1-chome, Mihama-ku, Chiba-shi, Chiba 261-8507, Japan . It’s business lines are: Watches Business Watches, Watch Movements Electronic Components Business Quartz crystals, Micro batteries, etc. Precision Mechatronics Business Inkjet printer heads, Hard disk components, Thermal printers, Compact precision components, Machine tools, FA, Musical instrument accessories, Radiation detection and measurement systems, etc.

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