Premier Farnell
digital pot, single 10k, smd, soic8; memory type:non-volatile; no. of channels:1; no. of positions:64; resistance, end-to-end:10kohm; interface type:up/down; voltage, supply min:2.7v; voltage, supply max:5.5v; termination type:smd; case style:soic; no. of pins:8; operating temperature range:-40°c to +125°c; base number:4021; logic function number:4021; track resistance:75ohm
http://grh.premierfarnell.com/grh.aspx?mid=1000652&sku=MCP40... Newark
digital pot, single 10k, smd, soic8; memory type:non-volatile; no. of channels:1; positions, no. of:64; resistance, end-to-end:10kohm; interface type:up/down; voltage, supply min:2.7v; voltage, supply max:5.5v; termination type:smd; ;rohs compliant: yes
http://www.newark.com/jsp/search/productdetail.jsp?SKU=71J52... 
