Premier Farnell
avr mcu, 4k flash, 512b ram, spi; series:atmega; memory size, flash:4kb; eeprom size:256byte; memory size, ram:512byte; no of i/o lines:23; no. of adc inputs:8; timers, no. of:3; pwm channels, no of:6; clock frequency:10mhz; interface type:i2c, spi, usart; voltage, supply min:1.8v; voltage, supply max:5.5v; termination type:smd; case style:mlf; no. of pins:32; operating temperature range:-40°c to +85°c; temp, op. max:85°c; temp, op. min:-40°c; base number:48; ic generic number:48; logic function number:48; memory size:4kb; memory type:flash; no. of bits:8; packaging type:peel pack
http://grh.premierfarnell.com/grh.aspx?mid=1000082&sku=ATMEG... 
