OEM:SGS Ates Transistor BU409 Datasheet Silicon.
BU4094BCF - 8-bit compatible shift / store register
BU409 - Silicon NPN Transistor
BU4093B - Quad 2-input NAND Schmitt trigger
BU4093BF - Quad 2-input NAND Schmitt trigger
BU4093BFV - Quad 2-Input NAND Schmitt Trigger
BU4094BCFV - 8-bit compatible shift / store register
BU4094BC - 8-bit compatible shift / store register