WDC 65C21 - Features of The W65C21S

Features of The W65C21S

  • Low power CMOS N-well silicon gate technology
  • High speed/Low power replacement for Motorola / Rockwell / AMI / *MOS Technology / MOSTEK / HITACHI / ST Microelectronics / GTE / CMD 6520, 6521, 6820, 6821 PIA’s
  • Two 8-bit bidirectional I/O ports with individual data direction control.
  • Automatic “Handshake” control of data transfers
  • Two interrupts (one for each port) with program control
  • Static to 14MHz operation, with high speed Port A, CA2 outputs.
  • Industrial temperature range
  • 40 Pin Plastic Dip and 44 Pin Plastic PLCC versions
  • 5 volt ± 10% supply requirements
  • Compatible with the 65xx and 68xx family of microprocessors

Read more about this topic:  WDC 65C21

Famous quotes containing the words features of the, features of and/or features:

    “Art is the child of Nature; yes,
    Her darling child, in whom we trace
    The features of the mother’s face,
    Her aspect and her attitude.”
    —Henry Wadsworth Longfellow (1807–1882)

    “These, then, will be some of the features of democracy ... it will be, in all likelihood, an agreeable, lawless, particolored commonwealth, dealing with all alike on a footing of equality, whether they be really equal or not.”
    —Plato (c. 427–347 B.C.)

    “It is a tribute to the peculiar horror of contemporary life that it makes the worst features of earlier times—the stupefaction of the masses, the obsessed and driven lives of the bourgeoisie—seem attractive by comparison.”
    —Christopher Lasch (b. 1932)