Texas Instruments SN54LS123J, Dual Monostable Multivibrator 4mA, 16-Pin CDIP

Texas Instruments Monostable Multivibrators and Voltage Controlled Oscillators from the 74LS Family of Low Power Schottky Logic ICs. The 74LS Family use bipolar junction technology coupled with Schottky diode clamps to achieve operating speeds equal to the original 74TTL family but with much lower power consumption.

74LS Family