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Data sheet acquired from Harris Semiconductor SCHS166F
November 1997 - Revised October 2003
CD54HC221, CD74HC221, CD74HCT221
High-Speed CMOS Logic Dual Monostable Multivibrator with Reset
[ /Title (CD74 HC221 , CD74 HCT22 1) /Subject (High Speed CMOS Logic Dual Monos table Multi-
Features
Description
• Overriding RESET Terminates Output Pulse
• Triggering from the Leading or Trailing Edge
• Q and Q Buffered Outputs
• Separate Resets
• Wide Range of Output-Pulse Widths
• Schmitt Trigger on B Inputs
• Fanout (Over Temperature Range) - Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads - Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
• Wide Operating Temperature Range . . .