This part is a kind of semiconductor called HS2240.

Function of this product has wireless hair code ASIC.

Manufacturers : HuaXin

Image and pinout :

Some of the text within the PDF file :

HuaXin Micro-electronics Co., Ltd Phone: 0512-68256888 Email:h-sun@h-sun.com Url:www.china-chip.com -0.3~12 -0.3~Vcc+0.3 -0.3~Vcc+0.3 -40~125 -20~70 200 14 V V V mW Ver. 060518 HuaXin Micro-electronics Co., Ltd Phone: 0512-68256888 Email:h-sun@h-sun.com Url:www.china-chip.com Vcc 3.0 5 12 V Vcc=12V,OSC stop,output Isb 1.0 2.0 uA Unloaded Vcc=12V Iop 0.5 0.8 mA Vcc=12V,Voh=6v 4 Ioh 5 mA Vcc=12V,Vol=6v 4 Iol 3 mA Fop 80K Hz DATA 0 32Tosc 992Tosc 96Tosc DATA 1 96Tosc 32Tosc 24 Ver. 060518 HuaXin Micro-electronics Co., Ltd Phone: 0512-68256888 Email:h-sun@h-sun.com Url:www.china-chip.com Rosc 3V 39K 53 s 43K 55 s 47K 57 s 51K 60 s 56K 63 s 62K 66 s 68K 70 s 75K 72 s 82K 77 s 91K 81 s 100K 87 s 120K 98 s 150K 113 s 180K 132 s 200K 140 s 220K 152 s 2 [ ... ]

HS2240 PDF Datasheet Download