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