CY74FCT163T - Synchronous 4-Bit Binary Counter

The \x92FCT163T devices are high-speed synchronous modulo-16 binary counters. They are synchronously presettable for application in programmable dividers. These devices have two types of count-enable (CEP and CET) inputs, plus a terminal-count (TC) output for versatility in forming synchronous multistaged counters. The \x92FCT163T devices have a synchronous-reset (SR\) input that overrides counting and parallel loading, and allows the outputs to be reset simultaneously on the rising edge of the clock.

These devices are fully specified for partial-power-down applications using I_off. The I_off circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

• Function, Pinout, and Drive Compatible With FCT and F Logic
• Reduced V_OH (Typically = 3.3 V) Versions of Equivalent FCT Functions
• Edge-Rate Control Circuitry for Significantly Improved Noise Characteristics
• I_off Supports Partial-Power-Down Mode Operation
• ESD Protection Exceeds JESD 22
  • 2000-V Human-Body Model (A114-A)
  • 200-V Machine Model (A115-A)
  • 1000-V Charged-Device Model (C101)
• Matched Rise and Fall Times
• Fully Compatible With TTL Input and Output Logic Levels
• CY54FCT163T
  • 32-mA Output Sink Current
  • 12-mA Output Source Current
• CY74FCT163T
  • 64-mA Output Sink Current
  • 32-mA Output Source Current