इसी प्रकार केSN74LS21N

• SN74BCT8374ADWR
  • SCAN TEST DEVICE WITH OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
• SN74ABT623N
  • OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
• SN74AHC541PWR
  • OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
• SN74S260D
  • DUAL 5-INPUT POSITIVE-NOR GATES
• SN74LVTH16652DLR
  • 3.3 V ABT 16-BIT BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
• SN7405N3
  • HEX INVERTERS WITH OPEN COLLECTOR OUTPUTS
• SN74AHC74PWLE
  • DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLEAR AND PRESET
• SN74HC02DBR
  • QUADRUPLE 2-INPUT POSITIVE-NOR GATES