Reverse Engineering an 8 bit CRC

I am doing reverse engineering on some IR packets, I’m trying to figure out a CRC for some data but with no success, i tried the checksums (sum, xor…), CRC calculator crccalc.com, Reveng but with no luck.

any help or advice would be appreciated 🙂

0xA0     0x90     0xB4     0x26     0x36     0x0E     0x35     0xFF     0x63     
10100000 10010000 10110100 00100110 00110110 00001110 00110101 11111111 01100011 

0xA0     0x90     0xB5     0x26     0x36     0x0E     0x35     0xFF     0x22     
10100000 10010000 10110101 00100110 00110110 00001110 00110101 11111111 00100010 

0xA0     0x90     0xB6     0x26     0x36     0x0E     0x35     0xFF     0x1D     
10100000 10010000 10110110 00100110 00110110 00001110 00110101 11111111 00011101

0xA0     0x90     0xBC     0x06     0x36     0x0E     0x35     0xFF     0xBB     
10100000 10010000 10111100 00000110 00110110 00001110 00110101 11111111 10111011

0xA0     0x90     0xBC     0x66     0x36     0x0E     0x35     0xFF     0xDB     
10100000 10010000 10111100 01100110 00110110 00001110 00110101 11111111 11011011 

0xA0     0x90     0xBC     0x46     0x36     0x0E     0x35     0xFF     0x7B     
10100000 10010000 10111100 01000110 00110110 00001110 00110101 11111111 01111011 

0xA0     0x90     0xBC     0x06     0x36     0x2E     0x75     0xFF     0xDD     
10100000 10010000 10111100 00000110 00110110 00101110 01110101 11111111 11011101

0xA0     0x90     0xBC     0x06     0x36     0x4E     0x75     0xFF     0x3D     
10100000 10010000 10111100 00000110 00110110 01001110 01110101 11111111 00111101

0xA0     0x90     0xBC     0x06     0x36     0x6E     0x75     0xFF     0x1F     
10100000 10010000 10111100 00000110 00110110 01101110 01110101 11111111 00011111