Premier Farnell
avr mcu, 4k flash, 512b ram, spi; series:attiny; memory size, flash:8kb; eeprom size:512byte; memory size, ram:512byte; no of i/o lines:6; no. of adc inputs:4; pwm channels, no of:4; clock frequency:20mhz; interface type:spi; voltage, supply min:2.7v; voltage, supply max:5.5v; termination type:through hole; case style:dip; no. of pins:8; operating temperature range:-40°c to +85°c; temp, op. max:85°c; temp, op. min:-40°c; base number:85; ic generic number:85; logic function number:85; memory size:4kb; memory type:flash; no. of bits:8
http://grh.premierfarnell.com/grh.aspx?mid=1000082&sku=ATTIN... Newark
avr mcu, 4k flash, 512b ram, spi; series:attiny; memory size, flash:8kb; eeprom size:512byte; memory size, ram:512byte; no of i/o lines:6; no. of adc inputs:4; pwm channels, no of:4; clock frequency:20mhz; interface type:spi; ;rohs compliant: yes
http://www.newark.com/jsp/search/productdetail.jsp?SKU=58M37... 
