NXP USA Inc.
74HCT221N,112
74HCT221N,112

IC DECODER/DEMUX 3-8 LINE 16DIP

NXP USA Inc.
74HCT4538N,112
74HCT4538N,112

IC DUAL RETRIG MULTIVIB 16DIP

NXP USA Inc.
HEF4528BP,652
HEF4528BP,652

IC DUAL MONO MULTIVIB 16-DIP

NXP USA Inc.
74HC423N,652
74HC423N,652

IC MULTIVIBRATOR DUAL MONO 16DIP

NXP USA Inc.
74HCT123N,652
74HCT123N,652

IC MULTIVIBRATOR DUAL MONO 16DIP

NXP USA Inc.
74HC221N,652
74HC221N,652

IC DUAL MULTI-VIBRATOR 16DIP

NXP USA Inc.
HEF4538BP,652
HEF4538BP,652

IC DUAL MONO MULTIVIB 16-DIP

Texas Instruments
SN74LS423NG4
SN74LS423NG4

IC DUAL MONO MULTIVIBE 16-DIP