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TC74HC590AP - 8-Bit Binary Counter/Register

Download the TC74HC590AP datasheet PDF. This datasheet also covers the TC74HC590AF variant, as both devices belong to the same 8-bit binary counter/register family and are provided as variant models within a single manufacturer datasheet.

Features

  • High speed: fmax = 62 MHz (typ. ) at VCC = 5 V.
  • Low power dissipation: ICC = 4 μA (max) at Ta = 25°C.
  • High noise immunity: VNIH = VNIL = 28% VCC (min).
  • Output drive capability: 15 LSTTL loads for QA to QH 10 LSTTL loads for RCO.
  • Symmetrical output impedance: |IOH| = IOL = 6 mA (min) For QA to QH |IOH| = IOL = 4 mA (min) For RCO.
  • Balanced propagation delays: tpLH ≈ tpHL.
  • Wide operating voltage range: VCC (opr) = 2 to 6 V.
  • Pin.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (TC74HC590AF_ToshibaSemiconductor.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number TC74HC590AP
Manufacturer Toshiba
File Size 467.56 KB
Description 8-Bit Binary Counter/Register
Datasheet download datasheet TC74HC590AP Datasheet

Full PDF Text Transcription

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TC74HC590AP/AF TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74HC590AP, TC74HC590AF 8-Bit Binary Counter/Register with 3-State Outputs The TC74HC590A is a high speed CMOS 8-BIT COUNTER/REGISTER fabricated with silicon gate C2MOS technology. It achieves the high speed operation similar to epuivalent LSTTL while maintaining the CMOS low power dissipation. The internal counter counts on the positive going edge of Counter Clock (CCK) when Counter Clock Enable ( CCKEN ) is low. When Counter Clear ( CCLR ) is low, the internal counter is cleared asynchronously to the clock. Data in the internal counter are loaded into the register at positive going edge of Register Clock (RCK), and the register outputs are controlled by enable input ( G ).
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