ON Semiconductor
Dual D Flip-Flop with Set and Reset with LSTTL Compatible Inputs
Fairchild Semiconductor
Dual D-Type Flip-Flop with Preset and Clear
Motorola => Freescale
Dual D Flip-Flop with Set and Reset with LSTTL Compatible Inputs
STMicroelectronics
DUAL D TYPE FLIP FLOP WITH PRESET AND CLEAR
ON Semiconductor
Dual D Flip-Flop with Set and Reset with LSTTL Compatible Inputs
Integral Corp.
Dual D Flip-Flop with Set and Reset High-Performance Silicon-Gate CMOS
Fairchild Semiconductor
Dual D-Type Flip-Flop with Preset and Clear
System Logic Semiconductor
Dual D Flip-Flop with Set and Reset